Responsive image

Zeitschriftenbeiträge (peer-reviewed)

2022

Berki-Kiss, D.; Menrad, K. (2022): Ethical consumption: Influencing factors of consumer´s intention to purchase Fairtrade roses. Cleaner and Circular Bioeconomy 2, 100008, S. 1-9. DOI: 10.1016/j.clcb.2022.100008
mehr   Open Access

Omranian, S.; Nikoloski, Z.; Grimm, D. (2022): Computational identification of protein complexes from network interactions: Present state, challenges, and the way forward. Computational and Structural Biotechnology Journal 2022. DOI: 10.1016/j.csbj.2022.05.049
 mehr   Open Access

Physically interacting proteins form macromolecule complexes that drive diverse cellular processes. Advances in experimental techniques that capture interactions between proteins provide us with protein-protein interaction (PPI) networks from several model organisms. These datasets have enabled the prediction and other computational analyses of protein complexes. Here we provide a systematic review of the state-of-the-art algorithms for protein complex prediction from PPI networks proposed in the past two decades. The existing approaches that solve this problem are categorized into three groups, including: cluster-quality-based, node affinity-based, and network embedding-based approaches, and we compare and contrast the advantages and disadvantages. We further include a comparative analysis by computing the performance of eighteen methods based on twelve well-established performance measures on four widely used benchmark protein-protein interaction networks. Finally, the limitations and drawbacks of both, current data and approaches, along with the potential solutions in this field are discussed, with emphasis on the points that pave the way for future research efforts in this field.

Indrajit , N.; Steinlein , C.; Haaf, T.; Buhl, E.; Grimm, D.; Friedman, S.; Meurer , S.; Schröder , S.; Weiskirchen , R. (2022): Genetic Characterization of Rat Hepatic Stellate Cell Line HSC-T6 for In Vitro Cell Line Authentication. Cells 2022. DOI: 10.3390/cells11111783
 mehr   Open Access

Immortalized hepatic stellate cells (HSCs) established from mouse, rat, and humans are valuable in vitro models for the biomedical investigation of liver biology. These cell lines are homogenous, thereby providing consistent and reproducible results. They grow more robustly than primary HSCs and provide an unlimited supply of proteins or nucleic acids for biochemical studies. Moreover, they can overcome ethical concerns associated with the use of animal and human tissue and allow for fostering of the 3R principle of replacement, reduction, and refinement proposed in 1959 by William M. S. Russell and Rex L. Burch. Nevertheless, working with continuous cell lines also has some disadvantages. In particular, there are ample examples in which genetic drift and cell misidentification has led to invalid data. Therefore, many journals and granting agencies now recommend proper cell line authentication. We herein describe the genetic characterization of the rat HSC line HSC-T6, which was introduced as a new in vitro model for the study of retinoid metabolism. The consensus chromosome markers, outlined primarily through multicolor spectral karyotyping (SKY), demonstrate that apart from the large derivative chromosome 1 (RNO1), at least two additional chromosomes (RNO4 and RNO7) are found to be in three copies in all metaphases. Additionally, we have defined a short tandem repeat (STR) profile for HSC-T6, including 31 species-specific markers. The typical features of these cells have been further determined by electron microscopy, Western blotting, and Rhodamine-Phalloidin staining. Finally, we have analyzed the transcriptome of HSC-T6 cells by mRNA sequencing (mRNA-Seq) using next generation sequencing (NGS).

Berki-Kiss, D.; Menrad, K. (2022): The role emotions play in consumer intentions to make pro-social purchases in Germany – An augmented theory of planned behavior model. Sustainable Production and Consumption 29, S. 79-89. DOI: 10.1016/j.spc.2021.09.026
 mehr   Open Access

Although, sustainable consumption is gaining in relevance for consumers and retailers in Germany, pro-social consumption is still often neglected. Therefore, this study investigates factors influencing the purchase intention of German flower buyers in relation to Fairtrade-cut roses based on an online survey of 1,201 flower buyers in retail shops in 2017. As a basic theoretical framework, the Theory of Planned Behavior (TPB) was utilized and extended with two additional constructs. The addition of emotions and perceived consumer effectiveness reveals a strong explanatory power of the model proposed. Data analysis via partial least square structural equation modeling (PLS-SEM) suggests that emotions and subjective norm are the two most influential determinants of intention to purchase Fairtrade roses. However, emotions also significantly influence all determinants of behavioral intention introduced to the extended model. The findings of this study can be used to fine-tune marketing and communication activities related to pro-social and Fairtrade products.

Lugauer, F.; Kainz, J.; Gehlich, E.; Gaderer, M. (2022): Roadmap to Profitability for a Speed-Controlled Micro-Hydro Storage System Using Pumps as Turbines. Sustainability 14, 653 (2). DOI: 10.3390/su14020653
mehr   Open Access

Gamel, J.; Bauer, A.; Decker, T.; Menrad, K. (2022): Financing wind energy projects: An extended theory of planned behavior approach to explain private households’ wind energy investment intentions in Germany. Renewable Energy Volume 182 (January 2022), S. 592-601. DOI: 10.1016/j.renene.2021.09.108
 mehr

Socially responsible investment (SRI) is an investment strategy which complies with ethical, social, environmental or corporate governance criteria. Investments in renewable energies are commonly regarded as complying with SRI principles. This study aims to deepen the understanding of individuals' intentions to invest in wind energy. As an underlying framework the Theory of Planned Behavior's constructs attitude, subjective norm and perceived behavioral control were used and statistically tested with an online-survey of 592 participants in 2014. Further, this theory was extended by adding the constructs consumption profile and investor profile to the framework. With the inclusion of the two additional constructs the theoretical model turns to be very suitable as it doubled the share of explained variance of behavioral intention from 25% to 50% compared to the Theory of Planned Behavior. The analysis further shows that subjective norms, perceived behavioral control, consumption profile and investor experience have statistically significant influence on investment intentions in wind energy. However, attitudes towards wind energy investments are not a significant predictor of investment intentions. We conclude that, apart from the scientific implications of our results, our findings have practical applications for the conceptual design of wind energy investments.

Haselbeck, F.; Killinger, J.; Menrad, K.; Hannus, T.; Grimm, D. (2022): Machine Learning Outperforms Classical Forecasting on Horticultural Sales Predictions. Machine Learning with Applications Volume 7, 100239 (2022). DOI: 10.1016/j.mlwa.2021.100239
 mehr   Open Access

Forecasting future demand is of high importance for many companies as it affects operational decisions. This is especially relevant for products with a short shelf life due to the potential disposal of unsold items. Horticultural products are highly influenced by this, however with limited attention in forecasting research so far. Beyond that, many forecasting competitions show a competitive performance of classical forecasting methods. For the first time, we empirically compared the performance of nine state-of-the-art machine learning and three classical forecasting algorithms for horticultural sales predictions. We show that machine learning methods were superior in all our experiments, with the gradient boosted ensemble learner XGBoost being the top performer in 14 out of 15 comparisons. This advantage over classical forecasting approaches increased for datasets with multiple seasons. Further, we show that including additional external factors, such as weather and holiday information, as well as meta-features led to a boost in predictive performance. In addition, we investigated whether the algorithms can capture the sudden increase in demand of horticultural products during the SARS-CoV-2 pandemic in 2020. For this special case, XGBoost was also superior. All code and data is publicly available on GitHub: https://github.com/grimmlab/HorticulturalSalesPredictions.

2021

Emberger-Klein, A.; Schöps, J.; Menrad, K. (2021): The Influence of Climate Attitudes and Subjective and Social Norms on Supermarket Consumers' Intention Toward Climate-Friendly Food Consumption. Frontiers in Sustainable Food Systems 5, 764517, S. 1-12. DOI: 10.3389/fsufs.2021.764517
mehr   Open Access

Bazgan, C.; Ruzika, S.; Thielen, C.; Vanderpooten, D. (2021): The Power of the Weighted Sum Scalarization for Approximating Multiobjective Optimization Problems. Theory of Computing Systems 66 (2022), S. 395-415. DOI: 10.1007/s00224-021-10066-5
 mehr   Open Access

We determine the power of the weighted sum scalarization with respect to the computation of approximations for general multiobjective minimization and maximization problems. Additionally, we introduce a new multi-factor notion of approximation that is specifically tailored to the multiobjective case and its inherent trade-offs between different objectives. For minimization problems, we provide an efficient algorithm that computes an approximation of a multiobjective problem by using an exact or approximate algorithm for its weighted sum scalarization. In case that an exact algorithm for the weighted sum scalarization is used, this algorithm comes arbitrarily close to the best approximation quality that is obtainable by supported solutions – both with respect to the common notion of approximation and with respect to the new multi-factor notion. Moreover, the algorithm yields the currently best approximation results for several well-known multiobjective minimization problems. For maximization problems, however, we show that a polynomial approximation guarantee can, in general, not be obtained in more than one of the objective functions simultaneously by supported solutions.

Tidswell, J.; Downward, A.; Thielen, C.; Raith, A. (2021): Minimising emissions in traffic assignment with non-monotonic arc costs. Transportation Research Part B: Methodological 153, S. 70-90. DOI: 10.1016/j.trb.2021.08.007
mehr

Lampmann, L.; Emberger-Klein, A.; Menrad, K. (2021): Determining the Distinguishing Features of Different Eating Action Types in Germany Using a Mixed-Method Approach. Frontiers in Nutrition. DOI: 10.3389/fnut.2021.720392
mehr   Open Access

Göttl, Q.; Tönges, Y.; Grimm, D.; Burger, J. (2021): Automated Flowsheet Synthesis Using Hierarchical Reinforcement Learning: Proof of Concept. Chemie Ingenieur Technik 93 (12), S. 2010-2018. DOI: 10.1002/cite.202100086
 mehr   Open Access

Recently we showed that reinforcement learning can be used to automatically generate process flowsheets without heuristics or prior knowledge. For this purpose, SynGameZero, a novel two-player game has been developed. In this work we extend SynGameZero by structuring the agent's actions in several hierarchy levels, which improves the approach in terms of scalability and allows the consideration of more sophisticated flowsheet problems. We successfully demonstrate the usability of our novel framework for the fully automated synthesis of an ethyl tert-butyl ether process.

Giudici, A.; Lu, T.; Thielen, C.; Zuidwijk, R. (2021): An analysis of the stability of hinterland container transport cooperation, Transportation Science. Transportation Science (online first) 55 (5), S. 1170-1186. DOI: 10.1287/trsc.2021.1050
mehr

Matschinske, J.; Alcaraz, N.; Benis, A.; Golebiewski, M.; Grimm, D.; Heumos, L.; Kacprowski, T.; Lazareva, O.; List, M.; Louadi, Z.; Pauling, J.; Pfeifer, N.; Röttger, R.; Schwämmle, V.; Sturm, G.; Traverso, A.; Van Steen, K.; Vaz de Freitas, M.; Villalba Silva, G.; Wee, L.; Wenke, N.; Zanin, M.; Zolotareva, O.; Baumbach, J.; Blumenthal, D. (2021): The AIMe registry for artificial intelligence in biomedical research. Nature Methods 18, S. 1128-1131. DOI: 10.1038/s41592-021-01241-0
 mehr

We present the AIMe registry, a community-driven reporting platform for AI in biomedicine. It aims to enhance the accessibility, reproducibility and usability of biomedical AI models, and allows future revisions by the community. 

Boeckmann, J.; Thielen, C. (2021): A (B+1)-approximation for network flow interdiction with unit costs, Discrete Applied Mathematics. Discrete Applied Mathematics (online first) 2021 (304). DOI: 10.1016/j.dam.2021.07.008
mehr   Open Access

Nguyen, M.; Emberger-Klein, A.; Menrad, K. (2021): Some like it tailor-made: The effectiveness of personalized coupons for lower-calorie food choices at a university canteen. International Journal of Consumer Studies. DOI: 10.1111/ijcs.12723
mehr   Open Access

Pferschy, U.; Schauer, J.; Thielen, C. (2021): Approximating the product knapsack problem. Optimization Letters (Online first) 15 (6), S. 2529-2540. DOI: 10.1007/s11590-021-01760-x
mehr   Open Access

Bussa, M.; Zollfrank, C.; Röder, H. (2021): Life cycle assessment with parameterised inventory to derive target values for process parameters of microalgae biorefineries. Algal Research 57, 102352. DOI: 10.1016/j.algal.2021.102352
mehr

Lampmann, L.; Emberger-Klein, A.; Menrad, K. (2021): Is there a relationship between implicit motives and eating action types: An exploratory study in Germany. Journal of Consumer Culture, S. 1-19. DOI: 10.1177%2F14695405211013954
mehr   Open Access

Göttl, Q.; Grimm, D.; Burger, J. (2021): Automated Synthesis of Steady-State Continuous Processes using Reinforcement Learning. Frontiers of Chemical Science and Engineering 16, S. 288-302. DOI: 10.1007/s11705-021-2055-9
 mehr   Open Access

Automated flowsheet synthesis is an important field in computer-aided process engineering. The present work demonstrates how reinforcement learning can be used for automated flowsheet synthesis without any heuristics of prior knowledge of conceptual design. The environment consists of a steady-state flowsheet simulator that contains all physical knowledge. An agent is trained to take discrete actions and sequentially built up flowsheets that solve a given process problem. A novel method named SynGameZero is developed to ensure good exploration schemes in the complex problem. Therein, flowsheet synthesis is modelled as a game of two competing players. The agent plays this game against itself during training and consists of an artificial neural network and a tree search for forward planning. The method is applied successfully to a reaction-distillation process in a quaternary system.

Härtl, S.; Kainz, J.; Schuele, H.; Gaderer, M. (2021): Experimental Investigation of a Control Strategy Based on Combustion Stability and Combustion Phasing for a Multi-Cylinder Engine with Fueled Pre-Chambers and Cylinder Pressure Transducers. Technical Paper 2021-01-0639. DOI: 10.4271/2021-01-0639
mehr

Stahl, F.; Emberger-Klein, A.; Menrad, K. (2021): Consumer Preferences in Germany for Bio-Based Apparel With Low and Moderate Prices, and the Influence of Specific Factors in Distinguishing Between These Groups. Frontiers in Sustainability 2, 624913. DOI: 10.3389/frsus.2021.624913
mehr   Open Access

Rheude, F.; Kondrasch, J.; Röder, H.; Fröhling, M. (2021): Review of the terminology in the sustainable building sector. Journal of Cleaner Production 286, 125445. DOI: 10.1016/j.jclepro.2020.125445
mehr

Niedermeier, A.; Emberger-Klein, A.; Menrad, K. (2021): Drivers and barriers for purchasing green fast-moving consumer goods: A study of consumer preferences of glue sticks in Germany. Journal of Cleaner Production 284, 124804. DOI: 10.1016/j.jclepro.2020.124804
mehr

Herzel, A.; Ruzika, S.; Thielen, C. (2021): Approximation methods for multiobjective optimization problems: A survey. INFORMS Journal on Computing 33 (4), S. 1284-1299. DOI: 10.1287/ijoc.2020.1028
mehr   Open Access

Emberger, P.; Hinrichs, M.; Huber, G.; Emberger-Klein, A.; Thuneke, K.; Pickel, P.; Remmele, E. (2021): Field tests and real-world exhaust gas emissions of a pure rapeseed oil-fuelled harvester in forestry: Testing a solution for combined water, soil, and climate protection. Journal of Cleaner Production 280, 124360 (1). DOI: 10.1016/j.jclepro.2020.124360
mehr

Lugauer, F.; Kainz, J.; Gaderer, M. (2021): Techno-Economic Efficiency Analysis of Various Operating Strategies for Micro-Hydro Storage Using a Pump as a Turbine. Energies 14, 425 (2). DOI: 10.3390/en14020425
mehr   Open Access

Niedermeier, A.; Emberger-Klein, A.; Menrad, K. (2021): Which factors distinguish the different consumer segments of green Fast Moving Consumer Goods in Germany? Business Strategy and Environment 30 (4), S. 1823-1838. DOI: 10.1002/bse.2718
mehr   Open Access

2020

Eisen, A.; Bussa, M.; Röder, H. (2020): A review of environmental assessments of biobased against petrochemical adhesives. Journal of Cleaner Production 277, 124277. DOI: 10.1016/j.jclepro.2020.124277
mehr

Genze, N.; Bharti, R.; Grieb, M.; Schultheiss, S.; Grimm, D. (2020): Accurate Machine Learning-Based Germination Detection, Prediction and Quality Assessment of Three Grain Crops. Plant Methods 16, 157. DOI: 10.1186/s13007-020-00699-x
 mehr   Open Access

Background

Assessment of seed germination is an essential task for seed researchers to measure the quality and performance of seeds. Usually, seed assessments are done manually, which is a cumbersome, time consuming and error-prone process. Classical image analyses methods are not well suited for large-scale germination experiments, because they often rely on manual adjustments of color-based thresholds. We here propose a machine learning approach using modern artificial neural networks with region proposals for accurate seed germination detection and high-throughput seed germination experiments.

Results

We generated labeled imaging data of the germination process of more than 2400 seeds for three different crops, Zea mays (maize), Secale cereale (rye) and Pennisetum glaucum (pearl millet), with a total of more than 23,000 images. Different state-of-the-art convolutional neural network (CNN) architectures with region proposals have been trained using transfer learning to automatically identify seeds within petri dishes and to predict whether the seeds germinated or not. Our proposed models achieved a high mean average precision (mAP) on a hold-out test data set of approximately 97.9%, 94.2% and 94.3% for Zea maysSecale cerealeand Pennisetum glaucum respectively. Further, various single-value germination indices, such as Mean Germination Time and Germination Uncertainty, can be computed more accurately with the predictions of our proposed model compared to manual countings.

Conclusion

Our proposed machine learning-based method can help to speed up the assessment of seed germination experiments for different seed cultivars. It has lower error rates and a higher performance compared to conventional and manual methods, leading to more accurate germination indices and quality assessments of seeds.

Vienken, T.; Rossetto, R.; Barbagli, A.; De Filippis, G.; Marchina, C.; Mazzianto, G. (2020): Importance of the induced recharge term in riverbank filtration: Hydrodynamics, hydrochemical, and numerical modelling investigations. Hydrology 7, 96 (4). DOI: 10.3390/hydrology7040096
mehr   Open Access

Riga, K.; Jahr, K.; Thielen, C.; Borrmann, A. (2020): Mixed integer programming for dynamic tower crane and storage area optimization on construction sites. Automation in Construction 120, 103259. DOI: 10.1016/j.autcon.2020.103259
mehr

Vienken, T.; Nordbeck, J.; Bauer, S.; Dahmke, A.; Delfs, J. (2020): A modular cement-based subsurface heat storage: Performance test, model development and thermal impacts. Applied Energy 279, 115823. DOI: 10.1016/j.apenergy.2020.115823
mehr

Nguyen, M.; Emberger-Klein, A.; Menrad, K. (2020): Personalized coupons for lowercalorie fast-food choices among young German adults and the influence of consumers´nutritional attitudes on promotion effectiveness. British Food Journal 123 (4), S. 1413-1432. DOI: 10.1108/BFJ-08-2020-0709
mehr

Herzel, A.; Bazgan, C.; Ruzika, S.; Thielen, C.; Vanderpooten, D. (2020): One-exact approximate Pareto sets. Journal of Global Optimization 80, S. 87-115. DOI: 10.1007/s10898-020-00951-7
mehr   Open Access

Abel, Z.; Bosboom, J.; Coulombe, M.; Demaine, E.; Hamilton, L.; Hesterberg, A.; Kopinsky, J.; Lynch, J.; Rudoy, M.; Thielen, C. (2020): Who witnesses The Witness? Finding witnesses in The Witness is hard and sometimes impossible. Theoretical Computer Science 839, S. 41-102. DOI: 10.1016/j.tcs.2020.05.031
mehr

Bazgan, C.; Herzel, A.; Ruzika, S.; Thielen, C.; Vanderpooten, D. (2020): An approximation algorithm for a general class of parametric optimization problems. Journal of Combinatorial Optimization 2020. DOI: 10.1007/s10878-020-00646-5
mehr   Open Access

Urmann, C.; Riepl, H. (2020): Semi-Synthetic Approach Leading to 8-Prenylnaringenin and 6-Prenylnaringenin: optimization of the Microwave-Assisted Demethylation of Xantohumol Using Design of Experiments. Molecules 25, 4007 (17). DOI: 10.3390/molecules25174007
mehr   Open Access

Menrad, K.; Bauer, A. (2020): Beyond risk and return: What motivates environmentally friendly or harmful student fund investments in Germany? Energy Research & Social Science 67, 101509. DOI: 10.1016/j.erss.2020.101509
mehr

Ritter, S.; Urmann, C.; Herzog, R.; Glaser, J.; Bieringer, S.; Geisberger, T.; Eisenreich, W.; Riepl, H. (2020): Where Is Bacosine in Commercially Available Bacopa monnieri? Planta Medica 86 (8), S. 565-570. DOI: 10.1055/a-1137-4289
mehr

Lampmann, L.; Hannink, A.; Kiesswetter, E.; Emberger-Klein, A.; Volkert, D.; Menrad, K. (2020): Protein for community-dwelling older people: Aspects that influence the perception of commercially available protein drinks. Frontiers in Nutrition 7, 100. DOI: 10.3389/fnut.2020.00100
mehr   Open Access

Gumpinger, A.; Rieck, B.; Grimm, D.; Borgwardt, K. (2020): Network-guided search for genetic heterogeneity between gene pairs. Bioinformatics 37 (1), S. 57-65. DOI: 10.1093/bioinformatics/btaa581
mehr   Open Access

Menrad, K.; Bauer, A. (2020): The nexus between moral licensing and behavioral consistency: Is organic consumption a door-opener for commitment to climate protection? The Social Science Journal 2020, S. 1-15. DOI: 10.1080/03623319.2020.1757350
mehr

Kissoly, L.; Faße, A.; Grote, U. (2020): Intensity of commercialization and the dimensions of food security: The case of smallholder farmers in rural Tanzania. Journal of Agribusiness in Developing and Emerging Economies. DOI: 10.1108/JADEE-06-2019-0088
mehr

Härtl, S.; Kainz, J.; Schuele, H.; Beer, J.; Gaderer, M. (2020): KNOCK Detection with Series Cylinder Pressure Sensors. Technical Paper 2020-01-1143. DOI: 10.4271/2020-01-1143
mehr

Stahl, F.; Emberger-Klein, A.; Menrad, K. (2020): Indicators of consumers’ preferences for bio-based apparel: A German case study with a functional rain jacket made of bioplastic. Sustainability 12, 675 (2), S. 1-20. DOI: 10.3390/su12020675
mehr   Open Access

Togninalli, M.; Seren, Ü.; Freudenthal, J.; Monroe, J.; Meng, D.; Nordborg, M.; Weigel, D.; Borgwardt, K.; Korte, A.; Grimm, D. (2020): AraPheno and the AraGWAS Catalog 2020: a major database update including RNA-Seq and knockout mutation data for Arabidopsis thaliana. Nucleic Acids Research 48 (D1), S. D1063-D1068. DOI: 10.1093/nar/gkz925
 mehr   Open Access

Abstract

Genome-wide association studies (GWAS) are integral for studying genotype-phenotype relationships and gaining a deeper understanding of the genetic architecture underlying trait variation. A plethora of genetic associations between distinct loci and various traits have been successfully discovered and published for the model plant Arabidopsis thaliana. This success and the free availability of full genomes and phenotypic data for more than 1,000 different natural inbred lines led to the development of several data repositories. AraPheno (https://arapheno.1001genomes.org) serves as a central repository of population-scale phenotypes in A. thaliana, while the AraGWAS Catalog (https://aragwas.1001genomes.org) provides a publicly available, manually curated and standardized collection of marker-trait associations for all available phenotypes from AraPheno. In this major update, we introduce the next generation of both platforms, including new data, features and tools. We included novel results on associations between knockout-mutations and all AraPheno traits. Furthermore, AraPheno has been extended to display RNA-Seq data for hundreds of accessions, providing expression information for over 28 000 genes for these accessions. All data, including the imputed genotype matrix used for GWAS, are easily downloadable via the respective databases.

2019

Vienken, T.; Kreck, M.; Dietrich, P. (2019): Monitoring the impact of intensive shallow geothermal energy use on groundwater temperatures in a residential neighborhood. Geothermal Energy 7, 8. DOI: 10.1186/s40517-019-0123-x
mehr   Open Access

Baumhof, R.; Decker, T.; Menrad, K. (2019): A comparative analysis of house owners in need of energy efficiency measures but with different intentions. Energies 12, 2267 (12), S. 1-19. DOI: 10.3390/en12122267
mehr   Open Access

Krause, H.; Faße, A.; Grote, U. (2019): Welfare and food security - effects of commercializing African indigenous vegetables in Kenya. Cogent Food And Agriculture, 1700031. DOI: 10.1080/23311932.2019.1700031
mehr   Open Access

Welz, A.; Emberger-Klein, A.; Menrad, K. (2019): The importance of herbal medicine use in the German health-care system: Prevalence, usage pattern, and influencing factors. BMC Health Services Research 19, 952. DOI: 10.1186/s12913-019-4739-0
mehr   Open Access

Brüssow, K.; Gornott, C.; Faße, A.; Grote, U. (2019): The link between smallholders’ perception of climatic changes and adaptation in Tanzania. Climate Change 157 (2), S. 545–563. DOI: 10.1007/s10584-019-02581-9
mehr

Brown, P.; ..., ..; Grimm, D.; ..., ..; Zhou, Y. (2019): Large expert-curated database for benchmarking document similarity detection in biomedical literature search. Database 2019. DOI: 10.1093/database/baz085
 mehr   Open Access

Abstract

Document recommendation systems for locating relevant literature have mostly relied on methods developed a decade ago. This is largely due to the lack of a large offline gold-standard benchmark of relevant documents that cover a variety of research fields such that newly developed literature search techniques can be compared, improved and translated into practice. To overcome this bottleneck, we have established the RElevant LIterature SearcHconsortium consisting of more than 1500 scientists from 84 countries, who have collectively annotated the relevance of over 180 000 PubMed-listed articles with regard to their respective seed (input) article/s. The majority of annotations were contributed by highly experienced, original authors of the seed articles. The collected data cover 76% of all unique PubMed Medical Subject Headings descriptors. No systematic biases were observed across different experience levels, research fields or time spent on annotations. More importantly, annotations of the same document pairs contributed by different scientists were highly concordant. We further show that the three representative baseline methods used to generate recommended articles for evaluation (Okapi Best Matching 25, Term Frequency–Inverse Document Frequency and PubMed Related Articles) had similar overall performances. Additionally, we found that these methods each tend to produce distinct collections of recommended articles, suggesting that a hybrid method may be required to completely capture all relevant articles. The established database server located at https://relishdb.ict.griffith.edu.au is freely available for the downloading of annotation data and the blind testing of new methods. We expect that this benchmark will be useful for stimulating the development of new powerful techniques for title and title/abstract-based search engines for relevant articles in biomedical research.

Nguyen, M.; Emberger-Klein, A.; Menrad, K. (2019): A systematic review on the effects of personalized price promotion for food products. Journal of Food Products Marketing 25 (3), S. 257-275. DOI: 10.1080/10454446.2018.1529647
mehr

Emberger-Klein, A.; Sowa, J.; Canbay, A.; Menrad, K.; Heider, D. (2019): The virtual doctor: An interactive artificial intelligence based on deep learning for non-invasive prediction of diabetes. Artificial Intelligence in Medicine 100, 101706. DOI: 10.1016/j.artmed.2019.101706
mehr

Bauer, A.; Menrad, K. (2019): Standing up for the Paris Agreement: Do global climate targets influence individ-uals’ greenhouse gas emissions? Environmental Science & Policy 99, S. 72-29 . DOI: 10.1016/j.envsci.2019.05.015
mehr

Lemmerer, A.; Menrad, K. (2019): Acceptance of new food products: Reference prices and psychological modera-tors of heterogeneous price effects. Journal of Food Products Marketing 25 (7), S. 713-733. DOI: 10.1080/10454446.2019.1647905
mehr

Stahl, F.; Emberger-Klein, A.; Menrad, K.; Blesin, J.; Möhring, W. (2019): Influencing factors for the purchase intention of consumers choosing bioplastic products in Germany. Sustainable Production and Consumption 19, S. 33-43 . DOI: 10.1016/j.spc.2019.01.004
mehr

Bieler, L.; Vogl, M.; Kirchinger, M.; Urmann, C.; Riepl, H.; Bandtlow, C.; Klimaschewski, L.; Aigner, L.; Couillard-Després, S. (2019): The Prenylflavonoid ENDF1 Overrules Central Nervous System Growth Inhibitors and Facilitates Regeneration of DRG Neurons. Frontiers in Cellular Neuroscience 13, 332. DOI: 10.3389/fncel.2019.00332
mehr   Open Access

Welz, A.; Emberger-Klein, A.; Menrad, K. (2019): What motivates new, established and long-term users of herbal medicine: Is there more than push and pull? BMC Complementary and Alternative Medicine 19, 170, S. 1-9. DOI: 10.1186/s12906-019-2584-7
 mehr   Open Access



Berki-Kiss, D.; Menrad, K. (2019): Consumer Preferences of Sustainability Labeled Cut Roses in Germany. Sustainability 11, 3358 (12), S. 1-19. DOI: 10.3390/su11123358
mehr   Open Access

Neubacher, F.; Faße, A.; Grote, U. (2019): Victimization and Fear of Crime in Rural Tanzania. International Journal of Rural Criminology 4 (2), S. 173-192. DOI: 10.18061/1811/87911
mehr

Krause, H.; Faße, A.; Grote, U. (2019): Nutrient-Dense Crops for Rural and Peri-Urban Smallholders in Kenya—A Regional Social Accounting Approach. Sustainability 11, 3017 (11), S. 1-22. DOI: 10.3390/su11113017
mehr   Open Access

Castellanos-Rizaldos, E.; Zhang, X.; Tadigotla, V.; Grimm, D.; Karlovich, C.; Raez, L.; Skog, J. (2019): Exosome-based detection of activating and resistance EGFR mutations from plasma of non-small cell lung cancer patients. Oncotarget 10 (30), S. 2911-2920. DOI: 10.18632/oncotarget.26885
 mehr   Open Access

Non-small cell lung cancer (NSCLC) is the most prevalent form of lung cancer and its molecular landscape has been extensively studied. The most common genetic alterations in NSCLC are mutations within the epidermal growth factor receptor (EGFR) gene, with frequencies between 10-40%. There are several molecular targeted therapies for patients harboring these mutations.

Liquid biopsies constitute a flexible approach to monitor these mutations in real time as opposed to tissue biopsies that represent a single snap-shot in time. However, interrogating cell free DNA (cfDNA) has inherent biological limitations, especially at early or localized disease stages, where there is not enough tumor material released into the patient’s circulation.

We developed a qPCR- based test (ExoDx EGFR) that interrogates mutations within EGFR using Exosomal RNA/DNA and cfDNA (ExoNA) derived from plasma in a cohort of 110 NSCLC patients.

The performance of the assay yielded an overall sensitivity of 90% for L858R, 83% for T790M and 73% for exon 19 indels with specificities of 100%, 100%, and 96% respectively. In a subcohort of patients with extrathoracic disease (M1b and MX) the sensitivities were 92% (L858R), 95% (T790M), and 86% (exon 19 indels) with specificity of 100%, 100% and 94% respectively.

Bussa, M.; Eisen, A.; Zollfrank, C.; Röder, H. (2019): Life cycle assessment of microalgae products: State of the art and their potential for the production of polylactid acid. Journal of Cleaner Production 213, S. 1299-1312. DOI: 10.1016/j.jclepro.2018.12.048
mehr

Huber, V.; Riepl, H. (2019): Synthesis of Ether-Diols with Low Polarity from Long-Chained Fatty Alcohols for Use in Block Copolymers. Journal of the American Oil Chemists' Society 96 (4), S. 433-442. DOI: 10.1002/aocs.12197
mehr

2018

Venturelli, S.; Niessner , H.; Sinnberg, T.; Berger, A.; Burkard, M.; Urmann, C.; Donaubauer, K.; Böcker, A.; Leischner, C.; Riepl, H.; Frank, J.; Lauer, U.; Garbe, C.; Busch, C. (2018): 6- and 8-Prenylnaringenin, Novel Natural Histone Deacetylase Inhibitors Found in Hops, Exert Antitumor Activity on Melanoma Cells. Cellular Physiology and Biochemistry 51 (2), S. 543-556. DOI: 10.1159/000495275
mehr   Open Access

Rahbauer, S.; Menapace, L.; Menrad, K. (2018): Determinants for the adoption of green electricity by German SMEs – An empirical examination. Energy Policy 123, S. 533-543. DOI: 10.1016/j.enpol.2018.09.033
mehr

Krumke, S.; Thielen, C.; Weinschenk, P.; Westphal, S. (2018): Full Implementation of social choice functions in dominant strategies. International Journal of Game Theory 48, S. 337-361. DOI: 10.1007/s00182-018-0654-6
mehr

Thielen, C. (2018): Duty rostering for physicians at a department of orthopedics and trauma surgery. Operations Research for Health Care 19, S. 80-91. DOI: 10.1016/j.orhc.2018.03.004
mehr

Scherer, C.; Emberger-Klein, A.; Menrad, K. (2018): Consumer preferences for outdoor sporting equipment made of bio-based plastics: Results of a choice-based-conjoint experiment in Germany. Journal of Cleaner Production 203, S. 1085-1094. DOI: 10.1016/j.jclepro.2018.08.298
mehr

Meng, B.; Vienken, T.; Kolditz, O.; Shao, H. (2018): Modeling the groundwater temperature response to extensive operation of ground source heat pump systems: A case study in Germany. Energy Procedia 152, S. 971-977. DOI: 10.1016/j.egypro.2018.09.102
mehr   Open Access

Vienken, T.; Meng, B.; Kolditz, O.; Shao, H. (2018): Modeling the local temperature response to intensive operation of ground source heat pump systems: A case study in Germany. Energy Procedia 152 (6), S. 971-977. DOI: 10.1016/j.egypro.2018.09.102
mehr   Open Access

Sieber, S.; Graef, F.; Amjath-Babu, T.; Mutabazi, K.; Tumbo, S.; Faße, A.; Gomez y Paloma, S.; Rybak, C.; Lana, M.; Ndah, H.; Uckert, G.; Schuler, J.; Grote, U. (2018): Trans-SEC’s food security research in Tanzania: from constraints to adoption for out- and upscaling of agricultural innovations. Food Security 10, S. 775-783. DOI: 10.1007/s12571-018-0822-3
mehr

Kissoly, L.; Faße, A.; Grote, U. (2018): Implications of Smallholder Farm Production Diversity for Household Food Consumption Diversity: Insights from Diverse Agro-Ecological and Market Access Contexts in Rural Tanzania. Horticulturae 4, 14 (3), S. 1-23. DOI: 10.3390/horticulturae4030014
mehr   Open Access

Kaufmann, G.; Romanov, D.; Tippelt, T.; Vienken, T.; Werban, U.; Dietrich, P.; Mai, F.; Börner, F. (2018): Mapping and modelling of collapse sinkholes in soluble rock: The Münsterdorf site, northern Germany. Journal of Applied Geophysics 154, S. 64-80. DOI: 10.1016/j.jappgeo.2018.04.021
mehr

Castellanos-Rizaldos, E.; Grimm, D.; Tadigotla, V.; Hurley, J.; Healy, J.; Neal, P.; Sher, M.; Venkatesan, R.; Karlovich, C.; Raponi, M.; Krug, A.; Noerholm, M.; Tannous, J.; Tannous, B.; Raez, L.; Skog, J. (2018): Exosome-Based Detection of EGFR T790M in Plasma from Non–Small Cell Lung Cancer Patients. Clinical Cancer Research 24 (12), S. 2944-2950. DOI: 10.1158/1078-0432.CCR-17-3369
 mehr   Open Access

Purpose: About 60% of non–small cell lung cancer (NSCLC) patients develop resistance to targeted epidermal growth factor receptor (EGFR) inhibitor therapy through the EGFR T790M mutation. Patients with this mutation respond well to third-generation tyrosine kinase inhibitors, but obtaining a tissue biopsy to confirm the mutation poses risks and is often not feasible. Liquid biopsies using circulating free tumor DNA (cfDNA) have emerged as a noninvasive option to detect the mutation; however, sensitivity is low as many patients have too few detectable copies in circulation. Here, we have developed and validated a novel test that overcomes the limited abundance of the mutation by simultaneously capturing and interrogating exosomal RNA/DNA and cfDNA (exoNA) in a single step followed by a sensitive allele-specific qPCR.

Experimental Design: ExoNA was extracted from the plasma of NSCLC patients with biopsy-confirmed T790M-positive (N = 102) and T790M-negative (N = 108) samples. The T790M mutation status was determined using an analytically validated allele-specific qPCR assay in a Clinical Laboratory Improvement Amendment laboratory.

Results: Detection of the T790M mutation on exoNA achieved 92% sensitivity and 89% specificity using tumor biopsy results as gold standard. We also obtained high sensitivity (88%) in patients with intrathoracic disease (M0/M1a), for whom detection by liquid biopsy has been particularly challenging.

Conclusions: The combination of exoRNA/DNA and cfDNA for T790M detection has higher sensitivity and specificity compared with historical cohorts using cfDNA alone. This could further help avoid unnecessary tumor biopsies for T790M mutation testing.

Falcke, J.; Bose, N.; Artyukhin, A.; Rödelsperger, C.; Markov, G.; Yim, J.; Grimm, D.; Claassen, M.; Panda, O.; Baccile, J.; Zhang, Y.; Le, H.; Jolic, D.; Schroeder, F.; Sommer, R. (2018): Linking Genomic and Metabolomic Natural Variation Uncovers Nematode Pheromone Biosynthesis. Cell Chemical Biology 25 (6), S. 787-796. DOI: 10.1016/j.chembiol.2018.04.004
 mehr   Open Access

In the nematodes Caenorhabditis elegans and Pristionchus pacificus, a modular library of small molecules control behavior, lifespan, and development. However, little is known about the final steps of their biosynthesis, in which diverse building blocks from primary metabolism are attached to glycosides of the dideoxysugar ascarylose, the ascarosides. We combine metabolomic analysis of natural isolates of P. pacificuswith genome-wide association mapping to identify a putative carboxylesterase, Ppa-uar-1, that is required for attachment of a pyrimidine-derived moiety in the biosynthesis of ubas#1, a major dauer pheromone component. Comparative metabolomic analysis of wild-type and Ppa-uar-1 mutants showed that Ppa-uar-1 is required specifically for the biosynthesis of ubas#1 and related metabolites. Heterologous expression of Ppa-UAR-1 in C. elegans yielded a non-endogenous ascaroside, whose structure confirmed that Ppa-uar-1 is involved in modification of a specific position in ascarosides. Our study demonstrates the utility of natural variation-based approaches for uncovering biosynthetic pathways.

Neubacher, F.; Faße, A.; Grote, U. (2018): Viktimisierung und Kriminalitätsfurch im ländlichen Tansania. Monatsschrift für Kriminologie und Strafrechtsreform 100 (4), S. 272-290. DOI: 10.1515/mkr-2017-1000404
mehr

Reincke, K.; Vilvert, E.; Faße, A.; Graef, F.; Sieber, S.; Lana, M. (2018): Key factors influencing food security of smallholder farmers in Tanzania and the role of cassava as a strategic crop. Food Security 10, S. 911-924. DOI: 10.1007/s12571-018-0814-3
mehr   Open Access

Uckert, G.; Graef, F.; Faße, A.; Herrmann, L.; Hoffmann, H.; Kahimba, F.; Kissoly, L.; König, H.; Lambert, C.; Mahoo, H.; Makoko, B.; Mrosso, L.; Mutabazi, K.; Mwinuka, L.; Schaefer, M.; Schindler, J.; Sieber, S.; Swai, E.; Yustas, Y. (2018): ScalA-FS: expert-based ex-ante assessments of local requirements and success potential of upgrading strategies for improving food security in rural Tanzania. Food Security 10, S. 841-858. DOI: 10.1007/s12571-018-0789-0
mehr

Herzel, A.; Hopf, M.; Thielen, C. (2018): Multistage interval scheduling games. Journal of Scheduling 2018 (22), S. 359-377. DOI: 10.1007/s10951-018-0568-y
mehr

Scherer, C.; Emberger-Klein, A.; Menrad, K. (2018): Segmentation of interested and less interested consumers in sports equipment made of bio-based plastic. Sustainable Production and Consumption 14, S. 53-65. DOI: 10.1016/j.spc.2018.01.003
mehr

Duda, I.; Faße, A.; Grote, U. (2018): Drivers of Rural-Urban Migration and Impact on Food Security in Rural Tanzania. Food Security 10, S. 785-798. DOI: 10.1007/s12571-018-0788-1
mehr

Herrmann, R.; Faße, A.; Nkonya, E. (2018): Food value chain linkages and household food security in Tanzania. Food Security 10, S. 827-839. DOI: 10.1007/s12571-018-0792-5
mehr

Welz, A.; Emberger-Klein, A.; Menrad, K. (2018): Why and when people use herbal medicine: Insights from a focus-group study in Germany. BMC Complementary and Alternative Medicine 18, 92. DOI: 10.1186/s12906-018-2160-6
mehr   Open Access

Langer, K.; Decker, T.; Roosen, J.; Menrad, K. (2018): Factors influencing citizens‘ acceptance and non-acceptance of wind energy in Germany. Journal of Cleaner Production 175, S. 133-144. DOI: 10.1016/j.jclepro.2017.11.221
mehr

Exposito-Alonso, M.; Becker, C.; Schuenemann, V.; Reiter, E.; Setzer, C.; Slovak, R.; Brachi, B.; Hagmann, J.; Grimm, D.; Chen, J.; Busch, W.; Bergelson, J.; Ness, R.; Weigel, D. (2018): The rate and potential relevance of new mutations in a colonizing plant lineage. PLoS Genetics 14, e1007155 (2). DOI: 10.1371/journal.pgen.1007155
 mehr   Open Access

By following the evolution of populations that are initially genetically homogeneous, much can be learned about core biological principles. For example, it allows for detailed studies of the rate of emergence of de novo mutations and their change in frequency due to drift and selection. Unfortunately, in multicellular organisms with generation times of months or years, it is difficult to set up and carry out such experiments over many generations. An alternative is provided by “natural evolution experiments” that started from colonizations or invasions of new habitats by selfing lineages. With limited or missing gene flow from other lineages, new mutations and their effects can be easily detected. North America has been colonized in historic times by the plant Arabidopsis thaliana, and although multiple intercrossing lineages are found today, many of the individuals belong to a single lineage, HPG1. To determine in this lineage the rate of substitutions—the subset of mutations that survived natural selection and drift–, we have sequenced genomes from plants collected between 1863 and 2006. We identified 73 modern and 27 herbarium specimens that belonged to HPG1. Using the estimated substitution rate, we infer that the last common HPG1 ancestor lived in the early 17th century, when it was most likely introduced by chance from Europe. Mutations in coding regions are depleted in frequency compared to those in other portions of the genome, consistent with purifying selection. Nevertheless, a handful of mutations is found at high frequency in present-day populations. We link these to detectable phenotypic variance in traits of known ecological importance, life history and growth, which could reflect their adaptive value. Our work showcases how, by applying genomics methods to a combination of modern and historic samples from colonizing lineages, we can directly study new mutations and their potential evolutionary relevance.

Baumhof, R.; Decker, T.; Menrad, K. (2018): Which factors determine the extent of house owners‘ energy-related refurbishment projects? A Motivation-Opportunity-Ability approach. Sustainable Cities and Society 36, S. 33-41. DOI: 10.1016/j.scs.2017.09.025
mehr

Emberger-Klein, A.; Menrad, K. (2018): The effect of information provision on supermarket consumers’ use of and preferences for carbon labels in Germany. Journal of Cleaner Production 172, S. 253-263. DOI: 10.1016/j.jclepro.2017.10.105
 mehr

To limit climate change, significant reductions in greenhouse gas emissions are needed. Changes to consumer behavior could be one strategy to reach emission reduction targets. In this context, the role of information is crucial. One way of informing consumers about the climate impact of their food choices is through labels on the packaging. Providing additional information about labels or climate friendly food behavior directly before the product choice is made can stimulate the use of and preferences for carbon labels. The main aim of this study was to analyze the effect of information provision on supermarket consumers in Germany and their use of and preferences for carbon labels. It was also studied which types of carbon labels consumers prefer and how important these labels are as a criterion for the product choice. Data from a focus group workshop and two in-store surveys, including a pair wise comparison experiment and two Discrete-Choice Experiments, were used. The results show that providing additional information about labels can enhance the use of these labels and increase consumers' focus on the labels when making their product choice. It can also influence the general decision to buy or not buy a product and the preferences for the existence of a label. Consumers prefer carbon labels which use a scale and a traffic light color system. However, carbon labels are generally not important in consumers' decision-making process.

Togninalli, M.; Seren, Ü.; Meng, D.; Fitz, J.; Nordborg, M.; Weigel, D.; Borgwardt, K.; Korte, A.; Grimm, D. (2018): The AraGWAS Catalog: a curated and standardized Arabidopsis thaliana GWAS catalog. Nucleic Acids Research 46 (1), S. 1150-1156. DOI: 10.1093/nar/gkx954
 mehr   Open Access

The abundance of high-quality genotype and phenotype data for the model organism Arabidopsis thaliana enables scientists to study the genetic architecture of many complex traits at an unprecedented level of detail using genome-wide association studies (GWAS). GWAS have been a great success in A. thaliana and many SNP-trait associations have been published. With the AraGWAS Catalog (https://aragwas.1001genomes.org) we provide a publicly available, manually curated and standardized GWAS catalog for all publicly available phenotypes from the central A. thaliana phenotype repository, AraPheno. All GWAS have been recomputed on the latest imputed genotype release of the 1001 Genomes Consortium using a standardized GWAS pipeline to ensure comparability between results. The catalog includes currently 167 phenotypes and more than 222 000 SNP-trait associations with P < 10−4, of which 3887 are significantly associated using permutation-based thresholds. The AraGWAS Catalog can be accessed via a modern web-interface and provides various features to easily access, download and visualize the results and summary statistics across GWAS.

2017

Krug, A.; Enderle, D.; Karlovich, C.; Priewasser, T.; Bentink, S.; Spiel, A.; Brinkmann, K.; Emenegger, J.; Grimm, D.; Castellanos-Rizaldos, E.; Goldman, J.; Sequist, L.; Soria, J.; Camidge, D.; Gadgeel, S.; Wakelee, H.; Raponi, M.; Noerholm, M.; Skog, J. (2017): Improved EGFR mutation detection using combined exosomal RNA and circulating tumor DNA in NSCLC patient plasma. Annals of Oncology 29 (3), S. 700-706. DOI: 10.1093/annonc/mdx765
mehr   Open Access

Lampert, P.; Emberger-Klein, A.; Menrad, K. (2017): Carbon information on vegetables: How does it affect the buying process? International Journal of Consumer Studies 41 (6), S. 618-626. DOI: 10.1111/ijcs.12375
mehr

Sieber, S.; Graef, F.; Amjath-Babu, T.; Mutabazi, K.; Tumbo, S.; Faße, A.; Gomez y Paloma, S.; Rybak, C.; Lana, M.; Ndah, H.; Uckert, G.; Schuler, J.; Grote, U. (2017): Introduction to a Special Issue: Regional Food and Nutritional Security in Tanzania – Methods, Tools and Applications. Food Security 9, S. 1143-1145. DOI: 10.1007/s12571-017-0744-5
mehr

Sieber, S.; Graef, F.; Amjath-Babu, T.; Mutabazi, K.; Tumbo, S.; Faße, A.; Gomez y Paloma, S.; Rybak, C.; Lana, M.; Ndah, H.; Uckert, G.; Schuler, J.; Grote, U. (2017): Trans-SEC’s food security research in Tanzania: principles, research models and assumptions. Food Security 9, S. 1147-1155. DOI: 10.1007/s12571-017-0745-4
mehr

König, H.; Graef, F.; Schindler, J.; Faße, A.; Mutabazi, K.; Lambert, C.; Ngwenya, P.; Uckert, G.; Mahoo, H.; Hattermann, F.; Sieber, S. (2017): Combining participatory, qualitative and quantitative methods for impact assessment of food value chains into an integrated framework. Food Security 9, S. 1309-1321. DOI: 10.1007/s12571-017-0739-2
mehr

Langer, K.; Decker, T.; Menrad, K. (2017): Public participation in wind energy projects located in Germany: Which form of participation is the key to acceptance? Renewable Energy 112 (11), S. 63-73. DOI: 10.1016/j.renene.2017.05.021
mehr

Corsten, H.; Hopf, M.; Kasper, B.; Thielen, C. (2017): Assortment Planning for Multiple Chain Stores. OR Spectrum 40 (4), S. 875-912. DOI: 10.1007/s00291-017-0496-9
mehr

Gamel, J.; Menrad, K.; Decker, T. (2017): Which factors influence retail investors’ attitudes towards investments in renewable energies? Sustainable Production and Consumption 12 (10), S. 90-103. DOI: 10.1016/j.spc.2017.06.001
mehr

Holzhauser, M.; Krumke, S.; Thielen, C. (2017): On the Complexity and Approximability of Budget-Constrained Minimum Cost Flows. Information Processing Letters 126, S. 24-29. DOI: 10.1016/j.ipl.2017.06.003
mehr

Baumhof, R.; Decker, T.; Röder, H.; Menrad, K. (2017): An Expectancy Theory Approach: What motivates and differentiates German house owners in the context of Energy Efficient Refurbishment Measures? Energy and Buildings 152, S. 483-491. DOI: 10.1016/j.enbuild.2017.07.035
mehr

Halffmann, P.; Ruzika, S.; Thielen, C.; Willems, D. (2017): A General Approximation Method for Bicriteria Minimization Problems. Theoretical Computer Science 695, S. 1-15. DOI: 10.1016/j.tcs.2017.07.003
mehr   Open Access

Brüssow, K.; Faße, A.; Grote, U. (2017): Is Sustainable Intensification Pro-Poor? Evidence from Small-Scale Farmers in Rural Tanzania. Resources 6, 47 (3), S. 1-16. DOI: 10.3390/resources6030047
mehr   Open Access

Hopf, M.; Thielen, C.; Wendt, O. (2017): Competitive Algorithms for Multistage Online Scheduling. European Journal of Operational Research 260 (2), S. 468-481. DOI: 10.1016/j.ejor.2016.12.047
mehr

Brüssow, K.; Faße, A.; Grote, U. (2017): Implications of Climate-Smart Strategy Adoption by Farm Households for Food Security in Tanzania. Food Security 9 (6), S. 1203-1218. DOI: 10.1007/s12571-017-0694-y
mehr

Neubacher, F.; Faße, A.; Grote, U. (2017): Farm crime in rural Tanzania-Evidence from a households survey. International Journal of Rural Criminology 4 (2).

Holzhauser, M.; Krumke, S.; Thielen, C. (2017): A Network Simplex Method for the Budget-Constrained Minimum Cost Flow Problem. European Journal of Operational Research 259 (3), S. 864-872. DOI: 10.1016/j.ejor.2016.11.024
mehr

Scherer, C.; Emberger-Klein, A.; Menrad, K. (2017): Biogenic product alternatives for children: Consumer preferences for a set of sand toys made of bio-based plastic. Sustainable Production and Consumption 10, S. 1-14. DOI: 10.1016/j.spc.2016.11.001
mehr

Giudici, A.; Halffmann, P.; Ruzika, S.; Thielen, C. (2017): Approximation Schemes for the Parametric Knapsack Problem. Information Processing Letters 120, S. 11-15. DOI: 10.1016/j.ipl.2016.12.003
mehr

Grimm, D.; Roqueiro, D.; Salomé, P.; Kleeberger, S.; Greshake, B.; Zhu, W.; Liu, C.; Lippert, C.; Stegle, O.; Schölkopf, B.; Weigel, D.; Borgwardt, K. (2017): easyGWAS: A Cloud-Based Platform for Comparing the Results of Genome-Wide Association Studies. The Plant Cell 29 (1). DOI: 10.1105/tpc.16.00551
 mehr   Open Access

The ever-growing availability of high-quality genotypes for a multitude of species has enabled researchers to explore the underlying genetic architecture of complex phenotypes at an unprecedented level of detail using genome-wide association studies (GWAS). The systematic comparison of results obtained from GWAS of different traits opens up new possibilities, including the analysis of pleiotropic effects. Other advantages that result from the integration of multiple GWAS are the ability to replicate GWAS signals and to increase statistical power to detect such signals through meta-analyses. In order to facilitate the simple comparison of GWAS results, we present easyGWAS, a powerful, species-independent online resource for computing, storing, sharing, annotating, and comparing GWAS. The easyGWAS tool supports multiple species, the uploading of private genotype data and summary statistics of existing GWAS, as well as advanced methods for comparing GWAS results across different experiments and data sets in an interactive and user-friendly interface. easyGWAS is also a public data repository for GWAS data and summary statistics and already includes published data and results from several major GWAS. We demonstrate the potential of easyGWAS with a case study of the model organism Arabidopsis thaliana, using flowering and growth-related traits.

Lemmerer, A.; Emberger-Klein, A.; Menrad, K. (2017): Attitudes and habit in value perception for foods. Journal of Food Products Marketing 23 (1), S. 99-121. DOI: 10.1080/10454446.2017.1244788
mehr

Kissoly, L.; Faße, A.; Grote, U. (2017): The integration of smallholders in agricultural value chain activities and food security: evidence from rural Tanzania. Food Security 9, S. 1219-1235. DOI: 10.1007/s12571-016-0642-2
mehr

Bender, M.; Thielen, C.; Westphal, S. (2017): Online Interval Scheduling with a Bounded Number of Failures. Journal of Scheduling 20, S. 443-457. DOI: 10.1007/s10951-016-0506-9
mehr

Graef, F.; Uckert, G.; Schindler, J.; König, H.; Mbwana, H.; Faße, A.; Mwinuka, L.; Mahoo, H.; Kaburire, L.; Saidia, P.; Yustas, Y.; Silayo, V.; Makoko, B.; Kissoly, L.; Lambert, C.; Kimaro, A.; Sieber, S.; Hoffmann, H.; Kahimba, F.; Mutabazi, K. (2017): Expert-based ex-ante assessments of potential social, ecological, and economic impacts of upgrading strategies for improving food security in rural Tanzania using the ScalA-FS approach. Food Security 9, S. 1255-1270. DOI: 10.1007/s12571-016-0639-x
mehr

Schelenz, S.; Vienken, T.; Shao, H.; Firmbach, L. (2017): On the importance of a coordinated site characterization for the sustainable intensive thermal use of the shallow subsurface in urban areas – a case study. Environmental Earth Sciences 76, 73 (2), S. 1-15. DOI: 10.1007/s12665-016-6331-9
mehr

Gueting, N.; Vienken, T.; Klotzsche, A.; van der Kruk, J.; Vanderborght, J.; Caers, J.; Vereecken, H.; Englert, A. (2017): High resolution aquifer characterization using crosshole GPR full-waveform tomography: Comparison with direct-push and tracer test data. Water Resources Research 53 (1), S. 49-72. DOI: 10.1002/2016WR019498
mehr

Vienken, T.; Huber, E.; Kreck, M.; Huggenberger, P.; Dietrich, P. (2017): How to chase a tracer – combining conventional salt tracer testing and direct push electrical conductivity profiling for enhanced aquifer characterization. Advances in Water Resources 99, S. 60-66. DOI: 10.1016/j.advwatres.2016.11.010
mehr

Seren, Ü.; Grimm, D.; Fitz, J.; Weigel, D.; Nordborg, M.; Borgwardt, K.; Korte, A. (2017): AraPheno: a public database for Arabidopsis thaliana phenotypes. Nucleic Acids Research 45 (D1), S. D1054-D1059. DOI: 10.1093/nar/gkw986
mehr   Open Access

2016

Klein, A.; Menrad, K. (2016): Climate friendly food choices regarding fruit and vegetables: How German consumers perceive their competency and what supporting measures they would prefer. Acta Horticulturae (ISHS) 1132, S. 183-190. DOI: 10.17660/ActaHortic.2016.1132.25
mehr

Emberger-Klein, A.; Menrad, K.; Zapilko, M. (2016): Consumers’ preference heterogeneity for GM and organic food products in Germany. Agribusiness – An International Journal 32 (2), S. 203-221. DOI: 10.1002/agr.21439
mehr

Langer, K.; Decker, T.; Menrad, K.; Roosen, J. (2016): A qualitative analysis to understand the acceptance of wind energy in Bavaria. Renewable and Sustainable Energy Reviews 64, S. 248-259. DOI: 10.1016/j.rser.2016.05.084
mehr

Wenban-Smith, H.; Faße, A.; Grote, U. (2016): Food security in Tanzania: The challenge of rapid urbanization. Food Security 8 (5), S. 973-984. DOI: 10.1007/s12571-016-0612-8
mehr

McGaughran, A.; Rödelsperger, C.; Grimm, D.; Meyer, J.; Moreno, E.; Morgan, K.; Leaver, M.; Serobyan, V.; Rakitsch, B.; Borgwardt, K.; Sommer, R. (2016): Genomic profiles of diversification and genotype-phenotype association in island nematode lineages. Molecular Biology and Evolution 33 (9), S. 2257-2272. DOI: 10.1093/molbev/msw093
mehr   Open Access

Rahbauer, S.; Menapace, L.; Menrad, K.; Decker, T. (2016): Adoption of green electricity by German small and medium-sized enterprises (SMEs) – a qualitative analysis. Journal of Cleaner Production 129, S. 102-112. DOI: 10.1016/j.jclepro.2016.04.113
mehr

Zheng, T.; Shao, H.; Schelenz, S.; Hein, P.; Vienken, T.; Pang, Z.; Kolditz, O.; Nagel, T. (2016): Efficiency and economic analysis of utilizing latent heat from groundwater freezing in the context of borehole heat exchanger coupled ground source heat pump systems. Applied Thermal Engineering 105, S. 314-326. DOI: 10.1016/j.applthermaleng.2016.05.158
mehr

Gabriel, A.; Bitsch, V.; Menrad, K. (2016): Conceptual framework for system analysis of family-run agricultural enterprises. Journal of Small Business and Enterprise Development 28 (4), S. 325-344. DOI: 10.1080/08276331.2016.1205914
mehr

Chassein, A.; Krumke, S.; Thielen, C. (2016): Capacitated Network Design Games with Weighted Players. Networks 68 (2), S. 141-158. DOI: 10.1002/net.21689
mehr

Alonso-Blanco, C.; .., ..; Grimm, D.; .., ..; Weigel, D.; Zhou, X. (2016): 1,135 Genomes Reveal the Global Pattern of Polymorphism in Arabidopsis thaliana. Cell 166 (2), S. 481-491. DOI: 10.1016/j.cell.2016.05.063
mehr   Open Access

Kawakatsu, T.; .., ..; Grimm, D.; .., ..; Ecker, J. (2016): Epigenomic Diversity in a Global Collection of Arabidopsis thaliana Accessions. Cell 166 (2), S. 492-505. DOI: 10.1016/j.cell.2016.06.044
mehr

Gabriel, A.; Bitsch, V.; Menrad, K. (2016): Feasibility-Oriented Application of System Analysis in SMEs-The Cybernetic Approach of VSM Applied to Horticultural Retail Companies in Germany. Systemic Practice and Action Research 30 (2), S. 145-172. DOI: 10.1007/s11213-016-9388-1
mehr

Hausmann, J.; Dietrich, P.; Vienken, T.; Werban, U. (2016): Technique, analysis routines, and application of direct push driven in situ color logging. Environmental Earth Sciences 75, 957 (11), S. 1-21. DOI: 10.1007/s12665-016-5515-7
mehr

Rahbauer, S.; Menapace, L.; Menrad, K.; Decker, T. (2016): Purchase of green electricity by small and medium-sized enterprises in Germany. Renewable and Sustainable Energy Reviews 59, S. 1185-1194. DOI: 10.1016/j.rser.2016.01.079
mehr

Emberger-Klein, A.; Menrad, K.; Heider, D. (2016): Determinants of consumers willingness-to-pay for fairly-produced, locally grown dairy products. German Journal of Agricultural Economics 65 (2), S. 94-109. DOI: 10.22004/ag.econ.284973
mehr   Open Access

Holzhauser, M.; Krumke, S.; Thielen, C. (2016): Maximum Flows in Generalized Processing Networks. Journal of Combinatorial Optimization 33 (4), S. 1226-1256. DOI: 10.1007/s10878-016-0031-y
mehr

Chirila, M.; Christoph, B.; Vienken, T.; Dietrich, P.; Bumberger, J. (2016): Development of an in-situ thermal conductivity measurement system for exploration of the shallow subsurface. Measurement Science and Technology 27 (6). DOI: 10.1088/0957-0233/27/6/065901
mehr

Holzhauser, M.; Krumke, S.; Thielen, C. (2016): Budget-Constrained Minimum Cost Flows. Journal of Combinatorial Optimization 31 (4), S. 1720-1745. DOI: 10.1007/s10878-015-9865-y
mehr

Khatri-Karki, S.; Faße, A.; Grote, U. (2016): The role of standards in domestic food value chains in Sub-Saharan Africa: A review article. African Journal of Horticultural Sciences (AJHS) 9, S. 41-53.

Thielen, C.; Tiedemann, M.; Westphal, S. (2016): The Online Knapsack Problem with Incremental Capacity. Mathematical Methods of Operations Research 83 (2), S. 207-242. DOI: 10.1007/s00186-015-0526-9
mehr

Gamel, J.; Menrad, K.; Decker, T. (2016): Is it really all about the return on investment? Exploring private wind energy investors' preferences. Energy Research & Social Science 14, S. 22-32. DOI: 10.1016/j.erss.2016.01.004
mehr

Seibertz, K.; Chirila, M.; Bumberger, J.; Dietrich, P.; Vienken, T. (2016): Development of in-aquifer heat testing for high resolution subsurface thermal-storage capability characterisation. Journal of Hydrology 534, S. 113-123. DOI: 10.1016/j.jhydrol.2015.12.013
mehr

Lampert, P.; Soode, E.; Menrad, K.; Theuvsen, L. (2016): Distributing Asparagus: A Climate Perspective Considering Producer and Consumer Aspects. Journal of Agroecology and Sustainable Food Systems 40 (2), S. 169-186. DOI: 10.1080/21683565.2015.1118718
mehr

2015

Rossetto, R.; Barbagli, A.; Borsi, I.; Mazzanti, G.; Vienken, T.; Bonari, E. (2015): Site investigation and design of the monitoring system at the Sant`Alessio Induced RiverBank Filtration plant (Lucca, Italy). Rendiconti Online della Società Geologica Italiana 35, S. 248-251. DOI: 10.3301/ROL.2015.112
mehr

Bauer, R.; Menrad, K.; Decker, T. (2015): Adaptive hybrid methods for choice-based conjoint analysis - A comparative study. International Journal of Marketing Studies 7 (1), S. 1-14. DOI: 10.5539/ijms.v7n1p1
mehr   Open Access

Lemmerer, A.; Zapilko, M.; Menrad, K. (2015): Senior management’s influence on new product development projects and firm performance in small and medium-sized food companies. International Food and Agribusiness Management Review 18 (4), S. 105 -120. DOI: 10.22004/ag.econ.211656
mehr   Open Access

Hertel, M.; Menrad, K. (2015): Adoption of energy-efficient technologies in German SMEs of the horticultural sector – the moderating role of personal and social factors. Energy Efficiency 9, S. 791-806. DOI: 10.1007/s12053-015-9400-0
mehr

Eduati, F.; Mangravite, L.; .., ..; Grimm, D.; .., ..; Saez-Rodriguez, J. (2015): Prediction of human population responses to toxic compounds by a collaborative competition. Nature Biotechnology 33, S. 933-940. DOI: 10.1038/nbt.3299
mehr   Open Access

Decker, T.; Menrad, K. (2015): House owners‘ perceptions and factors influencing their choice of specific heating systems in Germans. Energy Policy 85, S. 150-161. DOI: 10.1016/j.enpol.2015.06.004
mehr

Gabriel, A.; Menrad, K. (2015): Market acceptance and consumers’willingness-to-pay for plants in biodegradable pots. Acta Horticulturae 1099, S. 297-305. DOI: 10.17660/ActaHortic.2015.1099.34
mehr

Herrmann, R.; Nkonya, E.; Faße, A.; Maeda, C.; Mutabazi, K.; Mwinuka, L. (2015): Impact of smallholder farmer horizontal and vertical linkages on access to prime markets and household welfare in sub-Saharan Africa: The case of Tanzania. Trans-SEC 2015.
mehr

Graef, F.; Schneider, I.; Faße, A.; Gremer, J.; Gevorgyan, E.; Haule, F.; Hoffmann, H.; Kahimba, F.; Kashaga, L.; Kissoly, L.; Lambert, C.; Lana, M.; Mahoo, H.; Makoko, B.; Mbaga, S.; Mmbughu, A.; Mrosso, L.; Mutabazi, K.; Mwinuka, L.; Ngazi, H.; Nkonya, E.; Reif, C.; Said, S.; Schaffert, A.; Schaefer, M.; Schindler, J.; Sieber, S.; Swamila, M.; Welp, H.; William, L.; Yustas, Y. (2015): Assessment of upgrading strategies to improve regional food security in Tanzania: Food Processing, waste management and bioenergy, and income generation. Outlook on Agriculture 44 (3), S. 179-186(8). DOI: 10.5367%2Foa.2015.0209
mehr

Holzhauser, M.; Krumke, S.; Thielen, C. (2015): Convex Generalized Flows. Discrete Applied Mathematics 190-191, S. 86-99. DOI: 10.1016/j.dam.2015.03.021
mehr   Open Access

Bender, M.; Thielen, C.; Westphal, S. (2015): Packing Items Into Several Bins Facilitates Approximating the Separable Assignment Problem. Information Processing Letters 115 (6-8), S. 570-575. DOI: 10.1016/j.ipl.2015.02.001
mehr

Llinares-López, F.; Grimm, D.; Bodenham, D.; Gieraths, U.; Sugiyama, M.; Rowan, B.; Borgwardt, K. (2015): Genome-wide detection of intervals of genetic heterogeneity associated with complex traits. Bioinformatics 31 (12), S. i240-i249. DOI: 10.1093/bioinformatics/btv263
 mehr   Open Access

Motivation: Genetic heterogeneity, the fact that several sequence variants give rise to the same phenotype, is a phenomenon that is of the utmost interest in the analysis of complex phenotypes. Current approaches for finding regions in the genome that exhibit genetic heterogeneity suffer from at least one of two shortcomings: (i) they require the definition of an exact interval in the genome that is to be tested for genetic heterogeneity, potentially missing intervals of high relevance, or (ii) they suffer from an enormous multiple hypothesis testing problem due to the large number of potential candidate intervals being tested, which results in either many false positives or a lack of power to detect true intervals.

Results: Here, we present an approach that overcomes both problems: it allows one to automatically find all contiguous sequences of single nucleotide polymorphisms in the genome that are jointly associated with the phenotype. It also solves both the inherent computational efficiency problem and the statistical problem of multiple hypothesis testing, which are both caused by the huge number of candidate intervals. We demonstrate on Arabidopsis thalianagenome-wide association study data that our approach can discover regions that exhibit genetic heterogeneity and would be missed by single-locus mapping.

Conclusions: Our novel approach can contribute to the genome-wide discovery of intervals that are involved in the genetic heterogeneity underlying complex phenotypes.

Availability and implementation: The code can be obtained at: http://www.bsse.ethz.ch/mlcb/research/bioinformatics-and-computational-biology/sis.html.

Graef, F.; Schneider, I.; Faße, A.; Germer, J.; Gevorgyan, E.; Haule, F.; Hoffmann, H.; Kahimba, F.; Kashaga, L.; Kissoly, L.; Lambert, C.; Lana, M.; Mahoo, H.; Makoko, B.; Mbaga, S.; Mmbughu, A.; Mkangwa, S.; Mrosso, L.; Mutabazi, K.; Schindler, J.; Sieber, S.; Swamila, M.; Welp, H.; William, L.; Yustas, Y. (2015): Natural resource management and crop production strategies to improve regional food systems in Tanzania. Outlook on Agriculture 44 (2). DOI: 10.5367%2Foa.2015.0206
mehr

Gabriel, A.; Menrad, K. (2015): Cost of co-existence of GM and non-GM products in the food supply chains of rapeseed oil and maize starch in Germany. Agribusiness - An International Journal 31 (4), S. 472-490. DOI: 10.1002/agr.21415
mehr

Lemmerer, A.; Menrad, K. (2015): Customers’ use of prices and internal reference prices to evaluate new food products. British Food Journal 117 (4), S. 1411-1424. DOI: 10.1108/BFJ-07-2014-0270
mehr

Lampert, P.; Soode, E.; Menrad, K. (2015): The carbon-conscious-consumer? A causal model for the product Carbon Footprint of asparagus at the consumer stage. International Journal of Consumer Studies 39 (3), S. 269-280. DOI: 10.1111/ijcs.12177
mehr

Grimm, D.; Azencott, C.; Aicheler, F.; Gieraths, U.; MacArthur, D.; Samocha, K.; Cooper, D.; Stenson, P.; Smoller, J.; Duncan, L.; Borgwardt, K. (2015): The evaluation of tools used to predict the impact of missense variants is hindered by two types of circularity. Human Mutation 36 (5), S. 513-523. DOI: 10.1002/humu.22768
 mehr   Open Access

Prioritizing missense variants for further experimental investigation is a key challenge in current sequencing studies for exploring complex and Mendelian diseases. A large number of in silico tools have been employed for the task of pathogenicity prediction, including PolyPhen‐2, SIFT, FatHMM, MutationTaster‐2, MutationAssessor, Combined Annotation Dependent Depletion, LRT, phyloP, and GERP++, as well as optimized methods of combining tool scores, such as Condel and Logit. Due to the wealth of these methods, an important practical question to answer is which of these tools generalize best, that is, correctly predict the pathogenic character of new variants. We here demonstrate in a study of 10 tools on five datasets that such a comparative evaluation of these tools is hindered by two types of circularity: they arise due to (1) the same variants or (2) different variants from the same protein occurring both in the datasets used for training and for evaluation of these tools, which may lead to overly optimistic results. We show that comparative evaluations of predictors that do not address these types of circularity may erroneously conclude that circularity confounded tools are most accurate among all tools, and may even outperform optimized combinations of tools.

Faße, A.; Winter, E. (2015): Food grows on women’s trees. In FAO (2015): Enhancing gender equality in the management of Africa’s natural resources. Nature & Faune 29 (1), S. 54-59.

Wang, C.; Liu, C.; Roqueiro, D.; Grimm, D.; Schwab, R.; Becker, C.; Lanz, C.; Weigel, D. (2015): Genome-wide analysis of local chromatin packing in Arabidopsis thaliana. Genome Research 25, S. 246-256. DOI: 10.1101/gr.170332.113
mehr   Open Access

2014

Vienken, T.; Kreck, M.; Hausmann, J.; Werban, U.; Dietrich, P. (2014): Innovative strategies for high resolution site characterization: application to a flood plain. Acque Sotterranee (Italian Journal of Groundwater) 3 (4), S. 7-14. DOI: 10.7343/as-091-14-0118
mehr   Open Access

Bauer, R.; Menrad, K.; Decker, T. (2014): Alternative fuel vehicles - Preferences, attitudes and motives of German students in the field of mobility. International Journal of Electric and Hybrid Vehicles 8 (4), S. 298-314 . DOI: 10.1504/ijehv.2014.067604
mehr

Faße, A.; Winter, E.; Grote, U. (2014): Bioenergy and Rural Development: The Role of Agroforestry in a Tanzanian Village Economy. Ecological Economics 106, S. 155-166. DOI: 10.1016/j.ecolecon.2014.07.018
mehr

Vienken, T.; Dietrich, P. (2014): Comment on “Determination of Hydraulic Conductivity from Grain-Size Distribution for Different Depositional Environments”. Groundwater 52 (6), S. 823-824. DOI: 10.1111/gwat.12278
mehr

Winter, E.; Faße, A.; Frohberg, K. (2014): Food security, Energy Equity, and the Global Commons: a Computable Village Model applied to sub-Saharan Africa. Regional Environmental Change 15 (7), S. 1215-1227. DOI: 10.1007/s10113-014-0674-0
mehr

Rogiers, B.; Vienken, T.; Gedeon, M.; Batelaan, O.; Mallants, D.; Huysmans, M.; Dassargues, A. (2014): Multi-scale aquifer characterization and groundwater flow model parameterization using direct push technologies. Environmental Earth Sciences 72 (5), S. 1303-1324. DOI: 10.1007/s12665-014-3416-1
mehr

Vienken, T.; Schelenz, S.; Rink, K.; Dietrich, P. (2014): Sustainable Intensive Thermal Use of the Shallow Subsurface—A Critical View on the Status Quo. Groundwater 53 (3), S. 356-361. DOI: 10.1111/gwat.12206
mehr

Gabriel, A.; Menrad, K. (2014): The costs of GM and non-GM co-existence in processed food systems - demonstrated for the cases of the German supply chains of chocolate and frozen pizza. Journal of Agricultural and Food Industrial Organization 12 (1), S. 141-158. DOI: 10.1515/jafio-2013-0013
mehr

Graef, F.; Sieber, S.; Mutabazi, K.; Asch, F.; Biesalski, H.; Bitegekof, J.; Bokelmann, W.; Bruentrup, M.; Dietrich, O.; Elly, N.; Faße, A.; Germer, J.; Grote, U.; Herrmann, L.; Herrmann, R.; Hoffmann, H.; Kahimba, F.; Kaufmann, B.; Kersebaum, K.; Kilembe, C.; Kimaro, A.; Kinabo, J.; König, B.; König, H.; Lana, M.; Levy, C.; Lyimo-Macha, J.; Makoko, B.; Mazoko, G.; Mbaga, S.; Mbogoro, W.; Milling, H.; Mtambo, K.; Mueller, J.; Mueller, C.; Mueller, K.; Nkonya, E.; Reif, C.; Ringler, C.; Ruvuga, S.; Schaefer, M.; Sikira, A.; Silayo, V.; Stahr, K.; Swai, E.; Tumbo, S.; Uckert, G. (2014): Framework for participatory food security research in rural food value chains. Global Food Security 3 (1), S. 8-15. DOI: 10.1016/j.gfs.2014.01.001
mehr

2013

Gabriel, A.; Menrad, K. (2013): Segmentation of customers of horticultural non-food products in Southern Germany. German Journal of Agricultural Economics 62 (3), S. 192-202. DOI: 10.22004/ag.econ.232340
mehr   Open Access

Firlbeck, D.; Faulstich, M.; Urmann, C.; Azaizeh, H.; Tafesh, A.; Riepl, H. (2013): Central composite design for optimal technology of concentrating vanillic acid using foam fractionation. Separation and Purification Technology 119, S. 28-34. DOI: 10.1016/j.seppur.2013.08.033
mehr

Huenges, E.; Kohl, T.; Kolditz, O.; Bremer, J.; Scheck-Wenderoth, M.; Vienken, T. (2013): Geothermal energy systems: research perspective for domestic energy provision. Environmental Earth Sciences 70 (8), S. 3927-3933. DOI: 10.1007/s12665-013-2881-2
mehr

Hausmann, J.; Steinel, H.; Kreck, M.; Werban, U.; Vienken, T.; Dietrich, P. (2013): Two-dimensional geomorphological characterization of a filled abandoned meander using geophysical methods and soil sampling. Geomorphology 201, S. 335-343. DOI: 10.1016/j.geomorph.2013.07.009
mehr

Huber, T.; Firlbeck, D.; Riepl, H. (2013): Iridium-catalysed isomerising trialkylsilylation of methyl oleate. Journal of Organometallic Chemistry 744, S. 144-148. DOI: 10.1016/j.jorganchem.2013.06.002
mehr

Faße, A.; Grote, U. (2013): The Economic Relevance of Sustainable Agroforestry Practices: An Empirical Analysis from Tanzania. Ecological Economics 94, S. 86-96. DOI: 10.1016/j.ecolecon.2013.07.008
mehr

Vienken, T.; Reboulet, E.; Leven, C.; Kreck, M.; Zschornack, L.; Dietrich, P. (2013): Field comparison of selected methods for vertical soil water content profiling. Journal of Hydrology 501 (0), S. 205-212. DOI: 10.1016/j.jhydrol.2013.08.004
mehr

Oberbauer, E.; Urmann, C.; Steffenhagen, C.; Bieler, L.; Brunner, D.; Furtner, T.; Humpel, C.; Bäumer, B.; Bandtlow, C.; Couillard-Després, S.; Rivera, F.; Riepl, H.; Aigner, L. (2013): Chroman-like cyclic prenylflavonoids promote neuronal differentiation and neurite outgrowth and are neuroprotective. Journal of Nutritional Biochemistry 24 (11), S. 1953-1962. DOI: 10.1016/j.jnutbio.2013.06.005
mehr

Faße, A.; Grote, U. (2013): The role of cultivation in Livelihood Strategies of small-scale households in rural Tanzania. Regional Environmental Change 15 (7), S. 1203-1214. DOI: 10.1007/s10113-013-0494-7
mehr

Azencott, C.; Grimm, D.; Sugiyama, M.; Kawahara, Y.; Borgwardt, K. (2013): Efficient network-guided multi-locus association mapping with graph cuts. Bioinformatics 29 (13), S. i171-i179. DOI: 10.1093/bioinformatics/btt238
mehr   Open Access

Krumke, S.; Thielen, C. (2013): The Generalized Assignment Problem with Minimum Quantities. European Journal of Operational Research 228 (1), S. 46-55. DOI: 10.1016/j.ejor.2013.01.027
mehr

Thielen, C.; Westphal, S. (2013): Complexity and Approximability of the Maximum Flow Problem with Minimum Quantities. Networks 62 (2), S. 125-131. DOI: 10.1002/net.21502
mehr

Grimm, D.; Hagmann, J.; Koenig, D.; Weigel, D.; Borgwardt, K. (2013): Accurate indel prediction using paired-end short reads. BMC Genomics 14, 132. DOI: 10.1186/1471-2164-14-132
mehr   Open Access

2012

Gabriel, A.; Menrad, K.; Schöps, J. (2012): Determination and evaluation of success factors for the traditional horticultural retail depending on individual operating aims. Acta Horticulturae (ISHS) 930, S. 107-113. DOI: 10.17660/ActaHortic.2012.930.13
mehr

Schütze, C.; Vienken, T.; Werban, U.; Dietrich, P.; Finizola, A.; Leven, C. (2012): Joint application of geophysical methods and Direct Push-soil gas surveys for the improved delineation of buried fault zones. Journal of Applied Geophysics 82, S. 129-136. DOI: 10.1016/j.jappgeo.2012.03.002
mehr

Lampert, P.; Menrad, K.; Schöps, J. (2012): Consumer attitudes for new plant species using the example of Trachycarpus wagnerianus. Journal of Horticulture and Forestry 4 (8), S. 129-135. DOI: 10.5897/JHF12.002
mehr

Thielen, C.; Westphal, S. (2012): Approximation Algorithms for TTP(2). Mathematical Methods of Operations Research 76 (1), S. 1-20. DOI: 10.1007/s00186-012-0387-4
mehr

Schöps, J.; Menrad, K.; Gabriel, A. (2012): Drivers for customer satisfaction within the traditional German horticultural retail. Acta Horticulturae (ISHS) 930, S. 175-182. DOI: 10.17660/ActaHortic.2012.930.23
mehr

Matthes, K.; Nusche, H.; Dietrich, P.; Vienken, T. (2012): Effects of measuring inaccuracy during grain size analyses on the determination of hydraulic conductivity. Grundwasser 17 (2), S. 105-111. DOI: 10.1007/s00767-012-0191-3
mehr

Vienken, T.; Leven, C.; Dietrich, P. (2012): Use of CPT and other direct push methods for (hydro-) stratigraphic aquifer characterization — a field study. Canadian Geotechnical Journal 49 (2), S. 197-206. DOI: 10.1139/t11-094
mehr

2011

Klein, A.; Menrad, K. (2011): Initiativen für "faire" Milchpreise: Neue Wege in der (regionalen) Milchvermarktung? Berichte über Landwirtschaft 89 (3), S. 355-375.

Krumke, S.; Thielen, C.; Westphal, S. (2011): Interval Scheduling on Related Machines. Computers and Operations Research 38 (12), S. 1836-1844. DOI: 10.1016/j.cor.2011.03.001
mehr

Faße, A.; Grote, U.; Winter, E. (2011): Recent developments in applying environmental value chain analysis. Environmental Economics 2 (3), S. 74-86.

Krumke, S.; Thielen, C. (2011): Minimum Cost Flows with Minimum Quantities. Information Processing Letters 111 (11), S. 533-537. DOI: 10.1016/j.ipl.2011.03.007
mehr

Vienken, T.; Dietrich, P. (2011): Field evaluation of methods for determining hydraulic conductivity from grain size data. Journal of Hydrology 400 (1-2), S. 58-71. DOI: 10.1016/j.jhydrol.2011.01.022
mehr

Sparke, K.; Menrad, K. (2011): Food consumption style determines food product innovations' acceptance. Journal of Consumer Marketing 28 (2), S. 125-138. DOI: 10.1108/07363761111115962
mehr

Krumke, S.; Thielen, C.; Zeck, C. (2011): Extensions to Online Delay Management on a Single Train Line: New Bounds for Delay Minimization and Profit Maximization. Mathematical Methods of Operations Research 74, 53 (1), S. 53-75. DOI: 10.1007/s00186-011-0349-2
mehr

Thielen, C.; Westphal, S. (2011): Complexity of the Traveling Tournament Problem. Theoretical Computer Science 412 (4-5), S. 345-351. DOI: 10.1016/j.tcs.2010.10.001
mehr   Open Access

2010

Linder, S.; Paasche, H.; Tronicke, J.; Niederleithinger, E.; Vienken, T. (2010): Zonal cooperative inversion of crosshole P-wave, S-wave, and georadar traveltime data sets. Journal of Applied Geophysics 72 (4), S. 254-262. DOI: 10.1016/j.jappgeo.2010.10.003
mehr

Thielen, C.; Krumke, S. (2010): Truthful mechanisms for selfish routing and two-parameter agents. Theory of Computing Systems 49 (1), S. 196–223. DOI: 10.1007/s00224-010-9281-8
mehr

Riepl, H.; Pettrak, J.; Faulstich, M.; Herrmann, W. (2010): Self Metathesis of Fatty Alcohols and Amines to Provide Monomers for Polyester and Polyamide Products. Macromolecular Symposia 293 (1), S. 39-42. DOI: 10.1002/masy.200900041
mehr

Niemela, M.; Röder, H.; Murray, G. (2010): Biomass Sourcing and logistics: From Theory to Practice. International Journal of Chemical Reactor Engineering 8 (1). DOI: 10.2202/1542-6580.2236
mehr

2009

Schöps, J.; Gabriel, A.; Menrad, K. (2009): Young families as buyers of horticultural products. Acta Horticulturae (ISHS 2009) 817, S. 285-290. DOI: 10.17660/ActaHortic.2009.817.30
mehr

Zapilko, M.; Feigl, S.; Menrad, K.; Hirzinger, T. (2009): Economic consequences of GMO traceability in the EU food and feed industry. Swiss Society for Agricultural Economics and Rural Sociology (Hrsg.): Yearbook of Socioeconomics in Agriculture, S. 81-112.

Menrad, K.; Gabriel, A. (2009): National innovation systems in horticulture in Germany and the Netherlands. International Journal of Public Policy 4 (6), S. 479-494. DOI: 10.1504/IJPP.2009.025258
mehr

Riepl, H.; Kellermann, M. (2009): Synthesis of 5,7-Dihydrodibenzo[b,f][1,7]naphthyridine-6,12-dione, an Unexpected Isolate from Isatis tintoria. Helvetica Chimica Acta 92 (4), S. 668-676. DOI: 10.1002/hlca.200800337
mehr

Menrad, K.; Klein, A.; Kurka, S. (2009): Interest of industrial actors in biorefinery concepts in Europe. Biofuels, Bioproducts & Biorefining (Biofpr) 3 (3), S. 384-394. DOI: 10.1002/bbb.144
mehr

2008

Menrad, K.; Joiko, C.; Decker, T.; Gabriel, A.; Schmidt, B. (2008): Stoffliche Nutzung von Nachwachsenden Rohstoffen. Berichte über Landwirtschaft 86 (3), S. 480-501.

Jesse, P.; Riepl, H.; Wieder, T.; Henze, G.; Prokop, A. (2008): A Synthetic Analogue of the Indigo Jeans Dye Tryptanthrin, NT1, Induces Apoptosis in Vitro, Ex Vivo and in Vivo in CD95-Dependent Manner in Pediatric Leukemia and Lymphoma Cells Sensitizing Malignant Cells to Cytostatic Drugs Via Downregulation of XIAP. Blood (American Society of Hematology) 112 (11), S. 2630. DOI: 10.1182/blood.V112.11.2630.2630
mehr

Nelles, O.; Bänfer, O.; Kainz, J.; Beer, J. (2008): Local model networks - The prospective method for modeling in electronic control units? ATZelektronik worldwide 3, S. 36-39. DOI: 10.1007/BF03242200
mehr

Herrmann, W.; Rost, A.; Tosh, E.; Riepl, H.; Kühn, F. (2008): Super absorbers from renewable feedstock by catalytic oxidation. Green Chemistry 10 (4), S. 442-446. DOI: 10.1039/B717134J
mehr

2007

Madlener, R.; Röder, H.; de Spindler, J.; Hauser, C.; Walker, D.; Hostettler, M. (2007): Schweizer Wald- und Holzwirtschaft aus industrieökonomischer Perspektive. Schweizerische Zeitschrift fur Forstwesen 158 (12), S. 417-433. DOI: 10.3188/szf.2007.0417
mehr

Diller, R.; Riepl, H.; Rose, O.; Frias, C.; Henze, G.; Prokop, A. (2007): Ability of prenylflavanones present in hops to induce apoptosis in a human Burkitt lymphoma cell line. Planta Medica 73 (8), S. 755-761. DOI: 10.1055/s-2007-981545
mehr

Decker, T.; Menrad, K.; Berenz, S.; Wagner, R. (2007): Regulation and innovation in biogas technology in selected European countries. International Journal of Public Policy 2 (1-2), S. 89-108. DOI: 10.1504/IJPP.2007.012277
mehr

2005

Menrad, K.; Hirzinger, T. (2005): Auswirkungen gentechnisch veränderter Pflanzen auf die Ernteversicherung. Berichte über Landwirtschaft 83 (2), S. 252-277.
mehr

Diller, R.; Riepl, H.; Rose, O.; Frias, C.; Henze, G.; Prokop, A. (2005): Synthesis of demethylxanthohumol, a new potent apoptosis-inducing agent from hops. Chemistry & Biodiversity 2 (10), S. 1331-1337. DOI: 10.1002/cbdv.200590105
mehr

2004

Kainz, J.; Rössler, U.; Winkler, R. (2004): Temperature dependence of Dyakonov-Perel spin relaxation in zinc-blende semiconductor quantum structures. Physical Review B 70, 195322 (19). DOI: 10.1103/PhysRevB.70.195322
mehr

Schneider, P.; Kainz, J.; Ganichev, S.; Belkov, V.; Danilov, S.; Glazov, M.; Golub, L.; Rössler, U.; Wegscheider, W.; Weiss, D.; Schuh, D.; Prettl, W. (2004): Spin relaxation times of two-dimensional holes from spin sensitive bleaching of intersubband absorption. Journal of Applied Physics 96 (1), S. 420-424. DOI: 10.1063/1.1753656
mehr

Kainz, J.; Schneider, P.; Ganichev, S.; Rössler, U.; Wegscheider, W.; Weiss, D.; Prettl, W.; Belkov, V.; Golub, L.; Schuh, D. (2004): Hole spin-relaxation in quantum wells from saturation of inter-subband absorption. Physica E: Low-dimensional Systems and Nanostructures 22 (1-3), S. 418-421. DOI: 10.1016/j.physe.2003.12.035
mehr

2003

Kainz, J.; Rössler, U.; Winkler, R. (2003): Anisotropic spin-splitting and spin-relaxation in asymmetric zinc blende semiconductor quantum structures. Physical Review B 68, 075322 (7). DOI: 10.1103/PhysRevB.68.075322
mehr

Schneider, P.; Ganichev, S.; Kainz, J.; Rössler, U.; Wegscheider, W.; Weiss, D.; Prettl, W.; Belkov, V.; Golub, L.; Schuh, D. (2003): Spin-sensitive bleaching and spin-relaxation in QWs. physica status solidi (b) 238 (3), S. 533-536. DOI: 10.1002/pssb.200303182
mehr

Kainz, J.; Rössler, U.; Winkler, R. (2003): Anisotropic Spin Splitting and Spin Relaxation in AlGaAs/GaAs Quantum Structures. Superconductivity 16, S. 323-326. DOI: 10.1023/A:1023665403690
mehr

2002

Rössler, U.; Kainz, J. (2002): Microscopic interface asymmetry and spin-splitting of electron subbands in semiconductor quantum structures. Solid State Communications 121 (6-7), S. 313-316. DOI: 10.1016/S0038-1098(02)00023-6
mehr

Kainz, J.; Mikhailov, S.; Wensauer, A.; Rössler, U. (2002): Quantum dots in high magnetic fields: Calculation of ground-state properties. Physical Review B 65, 115305 (11). DOI: 10.1103/PhysRevB.65.115305
mehr

Kainz, J.; Mikhailov, S.; Wensauer, A.; Rössler, U. (2002): Ground state energies of quantum dots in high magnetic fields: a new approach. Physica E: Low-dimensional Systems and Nanostructures 12 (1-4), S. 888-891. DOI: 10.1016/S1386-9477(01)00452-0
mehr

2001

Wensauer, A.; Kainz, J.; Suhrke, M.; Rössler, U. (2001): Circular Parabolic Quantum Dots with Repulsive Off-Center Impurities: An SDFT Study. physica status solidi (b) 224 (3), S. 675-679. DOI: 10.1002/(SICI)1521-3951(200104)224:3%3C675::AID-PSSB675%3E3.0.CO;2-1
mehr

1993

Herrmann, W.; Anwander, R.; Riepl, H.; Scherer, W.; Whitaker, C. (1993): General synthesis and metal complexes of fused-ring bicyclic cyclopentadienes. Organometallics 12 (11), S. 4342-4349. DOI: 10.1021/om00035a020
mehr

1990

Herrmann, W.; Kellner, J.; Riepl, H. (1990): Water soluble metal complexes and catalysts. III. New water soluble metal complexes of sulfonated triphenylphosphine (TPPTS): Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Ag, Au. Journal of organometallic chemistry 389, S. 103.

Herrmann, W.; Kulpe, J.; Kellner, J.; Riepl, H.; Bahrmann, H.; Konkol, W. (1990): Water-Soluble Metal Complexes of the Sulfonated Triphenylphosphane TPPTS: Preparation of the Pure Compounds and their Use in Catalysis. Angewandte Chemie International Edition in English 29 (4), S. 391-393. DOI: 10.1002/anie.199003911
mehr


Beiträge zu wissenschaftlicher Konferenz/Tagung (peer-reviewed)

2022

Göttl, Q.; Grimm, D.; Burger, J. (2022): Using Reinforcement Learning in a Game-like Setup for Automated Process Synthesis without Prior Process Knowledge. Proceedings of the 14th International Symposium on Process Systems Engineering 2022, S. 1555-1560. DOI: 10.1016/B978-0-323-85159-6.50259-1
 mehr

The present work uses reinforcement learning (RL) for automated flowsheet synthesis. The task of synthesizing a flowsheet is reformulated into a two-player game, in which an agent learns by self-play without prior knowledge. The hierarchical RL scheme developed in our previous work (Göttl et al., 2021b) is coupled with an improved training process. The training process is analyzed in detail using the synthesis of ethyl tert-butyl ether (ETBE) as an example. This analysis uncovers how the agent’s evolution is driven by the two-player setup.

2021

Haselbeck, F.; Grimm, D. (2021): EVARS-GPR: EVent-triggered Augmented Refitting of Gaussian Process Regression for Seasonal Data. 44th German Conference on Artificial Intelligence, Lecture Notes in Artificial Intelligence 2021. DOI: 10.1007/978-3-030-87626-5_11
 mehr

Timeseriesforecastingisagrowingdomainwithdiverseapplications. However, changes of the system behavior over time due to internal or external influences are challenging. Therefore, predictions of a previously learned forecast- ing model might not be useful anymore. In this paper, we present EVent-triggered Augmented Refitting of Gaussian Process Regression for Seasonal Data (EVARS- GPR), a novel online algorithm that is able to handle sudden shifts in the target variable scale of seasonal data. For this purpose, EVARS-GPR combines online change point detection with a refitting of the prediction model using data aug- mentation for samples prior to a change point. Our experiments on simulated data show that EVARS-GPR is applicable for a wide range of output scale changes. EVARS-GPR has on average a 20.8% lower RMSE on different real-world datasets compared to methods with a similar computational resource consumption. Fur- thermore, we show that our algorithm leads to a six-fold reduction of the averaged runtime in relation to all comparison partners with a periodical refitting strategy. In summary, we present a computationally efficient online forecasting algorithm for seasonal time series with changes of the target variable scale and demonstrate its functionality on simulated as well as real-world data. All code is publicly available on GitHub: https://github.com/grimmlab/evars-gpr.

Göttl, Q.; Grimm, D.; Burger, J. (2021): Automated Process Synthesis Using Reinforcement Learning. Proceedings of the 31st European Symposium on Computer Aided Process Engineering (ESCAPE31) 50, S. 209-214. DOI: 10.1016/B978-0-323-88506-5.50034-6
mehr

2020

Boeckmann, J.; Thielen, C. (2020): An approximation algorithm for network flow interdiction with unit costs and two capacities. Graphs and Combinatorial Optimization: from Theory to Applications (CTW2020 Proceedings) 5, S. 157-169. DOI: 10.1007/978-3-030-63072-0_13
mehr

2019

Bazgan, C.; Herzel, A.; Ruzika, S.; Thielen, C.; Vanderpooten, D. (2019): An FPTAS for a General Class of Parametric Optimization Problems. Konferenzbeitrag für Proceedings of the 25th International Computing and Combinatorics Conference (COCOON) 11653, S. 25-37. DOI: 10.1007/978-3-030-26176-4_3
mehr

Giudici, A.; Lu, T.; Thielen, C.; Zuidwijk, R. (2019): Sending a reliable cost-efficient flow through a stochastic timevarying network. Proceedings of the 10th Triennial Symposium on Transportation Analysis (TRISTAN) 2019, S. 1-4.

2018

Berki-Kiss, D.; Lampert, P.; Menrad, K. (2018): Fairtrade or conventional roses – Influencing factors for sustainability conscious consumer choice. German Society for Horticultural Science (DGG): DGG-Proceedings 8 (1), S. 1-5. DOI: 10.5288/dgg-pr-dk-2018
mehr   Open Access

Schwahn, F.; Thielen, C. (2018): The Complexity of Escaping Labyrinths and Enchanted Forests. Konferenzbeitrag zu Proceedings of the 9th International Conference on Fun with Algorithms (FUN) 2018 (100), S. 1-13. DOI: 10.4230/LIPIcs.FUN.2018.30
mehr

2017

Bauer, A.; Menrad, K. (2017): The connection between cognition and behavior: A two-step model analysis. Book of Abstracts, International Conference on Environmental Psychology, S. 288-289.

Menrad, K.; Emberger-Klein, A.; Stahl, F.; Niedermeier, A.; Scherer, C. (2017): Verbrauchereinschätzungen zu biobasierten Produkten. DECHEMA Biotechnologie 2017, S. 27.

Krause, H.; Faße, A.; Grote, U. (2017): Livelihood Strategies and Food Security-A Comparison Between Rural and Peri-Urban Kenya. Tropentag 2017.

Corsten, H.; Hopf, M.; Kasper, B.; Thielen, C. (2017): Regionalized assortment planning for multiple chain stores. Selected Papers of the Annual International Conference of the German Operations Research Society (GOR) 2017, S. 451-457. DOI: 10.1007/978-3-319-55702-1_60
mehr

Bauer, A.; Decker, T.; Menrad, K. (2017): About rebound- and spillover-effects: A two-step model for analysing influencing factors on environmental behaviour. Konferenzband “International Conference on Human Dimensions of Environmen-tal Risks, 21.-26. Mai 2017 in Ascona (Schweiz), S. 31.
mehr

2016

Raith, A.; Thielen, C.; Tidswell, J. (2016): Modelling and optimising fuel consumption in traffic assignment problems. Proceedings of the 38th Australasian Transport Research Forum (ATRF) 2016, S. 1-13.
mehr

Danelle, S.; Chae, E.; Grimm, D.; Pizarro, C.; Habring-Müller, A.; Vasseur, F.; Rakitsch, B.; Borgwardt, K.; Koenig, D.; Weigel, D. (2016): Genetic architecture of nonadditive inheritance in Arabidopsis thaliana hybrids. Proceedings of the National Academy of Sciences (PNAS) 113 (46), S. E7317-E7326. DOI: 10.1073/pnas.1615268113
mehr   Open Access

Mempel, H.; Gabriel, A.; Kersebaum, A.; Bettin, A.; Rath, T.; Ohmayer, G. (2016): WeGa-Student: Entwicklung und Erprobung eines standortübergreifenden B.Sc.-Lehrmoduls zum Thema Prozess- und Produktsicherheit im Gartenbau. DGG-Proceedings (German Society of Horticultural Sciences) 6 (5), S. 1-5. DOI: 10.5288/dgg-pr-06-05-hm-2016
mehr

Kölker, K.; Mannweiler, C.; Thielen, C.; Lütjens, K. (2016): Time Relaxed Itinerary-Based Route Development for Airline Networks. Konferenzbeitrag für Proceedings of the 9th Triennial Symposium on Transportation Analysis (TRISTAN) 2016, S. 1-4.

Mgeni, C.; Müller, K.; Sieber, S.; Rybak, C.; Faße, A. (2016): Scaling-Up Effects of Food Value Chain Upgrading Strategies: Opportunities for Optimized Nutritional and Food Security for Local Food Systems in Tanzania. Tropentag 2016, S. 586.
mehr

Krause, H.; Faße, A.; Grote, U. (2016): The impact of specializing in African indigenous vegetable production on food security among Kenyan vegetable producers. Econstor - Tagungsband zum 2. Symposium für Ökonomie im Gartenbau am 01. März 2016.
mehr   Open Access

Hofmeister, H.; Faße, A.; Grote, U. (2016): Die Bedeutung von privaten Lebensmittelstandards in den Supermarktwertschöpfungs-Ketten in Kenia am Beispiel von traditionellem Blattgemüse. Aktuelle Forschung in der Gartenbauökonomie: Nachhaltigkeit und Regionalität – Chancen und Herausforderungen für den Gartenbau. Tagungsband zum 2. Symposium für Ökonomie im Gartenbau, 1.März 2016, Thünen-Institut, Braunschweig.
mehr   Open Access

2015

Hamling, I.; O'Sullivan, M.; Thielen, C.; Walker, C. (2015): Improving resource efficiency in Internet cafés by virtualization and optimal user allocation. Proceedings of the 8th IEEE/ACM International Conference on Utility and Cloud Computing (UCC) 2015, S. 26-34. DOI: 10.1109/UCC.2015.17
mehr

Khatri-Karki, S.; Faße, A.; Grote, U. (2015): Technical efficiency and food security of African indigenous vegetable farmers in Kenya. Proceedings of Conference on International Research on Food Security, Natural Resource Management and Rural Development. Tropentag: Berlin, Germany.

Nkonya, E.; Herrmann, R.; Faße, A.; Maeda, C. (2015): Enhancing Smallholder Farmers Access to Prime Markets Through Horizontal & Vertical Linkages: The case of Sunflower in Tanzania. Tropentag 2015.

Krause, H.; Faße, A.; Grote, U. (2015): How to Increase the Adoption of African Indigenous Vegetables by Kenyan Small-Scale Farmers? Tropentag 2015.

Reincke, K.; Lana, M.; Faße, A. (2015): The Correlation Between Household Food Security and Cassava-Constructing an Index to Analyze the Impact of Specific Crops on Food Security. Tropentag 2015.

Kiprono, C.; Faße, A.; Grote, U. (2015): Transaction Costs in Indigenous Vegetable Marketing: Evidence from Rural and Peri-Urban Areas in Kenya. Tropentag 2015.

Brüssow, K.; Faße, A.; Grote, U. (2015): Adopting climate-smart strategies and their implications for food security. Tropentag 2015.

Faße, A.; Oelze, N.; Grote, U. (2015): The Roles of Food Security Standards in Tanzania and their implications for Food Security. Work package 3.

König, H.; Graef, F.; Schindler, J.; Faße, A.; Lambert, C.; Mahoo, H.; Grote, U.; Kaburire, L.; Mchau, D.; Saidia, P.; Uckert, G.; Sieber, S.; Mutabazi, K. (2015): Integrated Assessment of Food-Value-Chaind: The Case of Rural Tanzania. Tropentag 2015.

2014

Gabriel, A.; Menrad, K. (2014): Der Einfluss von Marken bei Zierpflanzen auf die Produktwahrnehmung und die Kaufentscheidung des Verbrauchers untersucht am Beispiel der Callunen-Marke Gardengirls®. DGG-Proceedings 4 (5), S. 1-5. DOI: 10.5288/dgg-pr-04-05-ag-2014
mehr

Worreschk, S.; Kaufmann Alves, I.; Schmitt, T.; Thielen, C. (2014): Optimization of Transformation Processes of Drainage Systems in Rural Areas. Konferenzbeitrag für Proceedings of the 13th International Conference on Urban Drainage (ICUD) 2014, S. 1-8.

Schmitt, T.; Worreschk, S.; Kaufmann Alves, I.; Herold, F.; Thielen, C. (2014): An Optimization and Decision Support Tool for Long-Term Strategies in the Transformation of Urban Water Infrastructure. Konferenzbeitrag für Proceedings of the 11th International Conference on Hydroinformatics (HIC) 2014, S. 1-8.
mehr

Krumke, S.; Schwahn, F.; Thielen, C. (2014): Being Negative Makes Life NP-hard (for Product Sellers). Konferenzbeitrag für Proceedings of the 7th International Conference on Fun with Algorithms (FUN) 2014 (8496), S. 277-288. DOI: 10.1007/978-3-319-07890-8_24
mehr

Sugiyama, M.; Azencott, C.; Grimm, D.; Kawahara, Y.; Borgwardt, K. (2014): Multi-Task Feature Selection on Multiple Networks via Maximum Flows. Proceedings of the 2014 SIAM International Conference on Data Mining (SDM) 2014, S. 199-207. DOI: 10.1137/1.9781611973440.23
mehr   Open Access

2013

Röttgers, D.; Faße, A.; Grote, U. (2013): The Canola Oil Industry and EU Trade Integration: A Gravity Model Approach. Operations Research Proceedings 2012, S. 363-368. DOI: 10.1007/978-3-319-00795-3_54
mehr

Bender, M.; Thielen, C.; Westphal, S. (2013): A Constant Factor Approximation for the Generalized Assignment Problem with Minimum Quantities and Unit Size Items. Proceedings of the 38th International Symposium on Mathematical Foundations of Computer Science (MFCS) 8087, S. 135-145. DOI: 10.1007/978-3-642-40313-2_14
mehr

Lampert, P.; Menrad, K. (2013): The consumers' contribution to the product carbon footprint of asparagus. DGG-Proceedings 3 (10), S. 1-5. DOI: 10.5288/dgg-pr-03-10-pl-2013
mehr

Feragen, A.; Petersen, J.; Grimm, D.; Dirksen, A.; Pedersen, J.; Borgwardt, K.; de Bruijne, M. (2013): Geometric tree kernels: Classification of COPD from airway tree geometry. International Conference on Information Processing in Medical Imaging IPMI 2013: Information Processing in Medical Imaging, S. 171-183. DOI: 10.1007/978-3-642-38868-2_15
mehr

2012

Owolabi, M.; Faße, A.; Grote, U. (2012): Typical Farms in the Bio-Energy Value Chain: A Village Case Study in Tanzania. Tropentag 2012.

Faße, A.; Grote, U. (2012): Sufficiency and Sustainability of Agroforestry: What Matters: Today or Tomorrow? 2012 Conference, August 18-24, 2012, Foz do Iguacu, Brazil 126666, International Association of Agricultural Economists. DOI: 10.22004/ag.econ.126666
mehr

Hoffmann, H.; Uckert, G.; Sieber, S.; Faße, A. (2012): Development and adjustments of sustainability indicators to evaluate out-grower schemes in bioenergy production: the case of Tanzania. Proceedings of the 9th European IFSA Symposium, 04.-07.07. 2012, Vienna, Austria, S. 2247-2256.
mehr

2011

Sieber, S.; Bobert, J.; Dietrich, O.; Tscherning, K.; Polreich, S.; Schaefer, M.; Natkhin, M.; Kitalyi, A.; Emil, E.; Uckert, G.; Hoffmann, H.; Mpanda, M.; Mutabazi, K.; Büchner, M.; Msangi, S.; von Geibler, J.; Bienge, K.; Kennedy, K.; Grote, U.; Segerstedt, A.; Faße, A. (2011): Food Security in the Light of Climate Change and Bioenergy-Potentials to Stabilise Livelihoods for small-Scale Farming in Tanzania. Tropentag 2011.
mehr

Röttgers, D.; Faße, A.; Grote, U. (2011): Sub-Saharan Africa’s Role in International Biofuel Trade. Tropentag 2011, S. 305.
mehr

Faße, A.; Grote, U.; Kohlhase, S. (2011): The nexus between poverty and smallholders‘ investiments in agroforestry: A case study from Tanzania. Tropentag 2011, S. 152.
mehr

Tsafnat, G.; Setzermann, P.; Partridge, S.; Grimm, D. (2011): Computational inference of difficult word boundaries in DNA languages. ISABEL '11: Proceedings of the 4th International Symposium on Applied Sciences in Biomedical and Communication Technologies 2011. DOI: 10.1145/2093698.2093709
mehr

Krumke, S.; Thielen, C.; Westphal, S. (2011): Interval scheduling on related machines: Complexity and online algorithms. Proceedings of the 10th Workshop on Models and Algorithms for Planning and Scheduling Problems (MAPSP) 2011, S. 236-238.

2010

Thielen, C.; Westphal, S. (2010): Approximating the Traveling Tournament Problem with Maximum Tour Length 2. Proceedings of the 21st International Symposium on Algorithms and Computation (ISAAC) 6507, S. 303-314. DOI: 10.1007/978-3-642-17514-5_26
mehr

Faße, A.; Emil, E.; Kitalyi, A.; Uckert, G.; Grote, U. (2010): Can Small-scale Farmers Sustain Household Energy Requirements from On-farm Produce? A Case from the Uluguru Mountains of Tanzania. Tropentag 2010, Bonn.
mehr

Segerstedt, A.; Bobert, J.; Faße, A.; Grote, U.; Hoffmann, H.; Kabir, H.; Sieber, S.; Uckert, G. (2010): Potential of Sustainable Jatropha Oil Production in Tanzania. An Economic Land Evaluation Assessment.
mehr

Kramer, K.; Budde, J.; Edelmann, K.; Stryi-Hipp, G. (2010): Mechtest – Developing a Methodology for Testing the Mechanical Snow and Wind Load on Solar Thermal Collectors. EuroSun 2010, 28 September - 1 October 2010 in Graz, Austria. DOI: 10.18086/eurosun.2010.15.11
mehr

Segerstedt, A.; Bobert, J.; Faße, A.; Grote, U.; Hoffmann, H.; Kabir, H.; Sieber, S.; Uckert, G. (2010): Management and Rural Development Impact of Sustainability Standards on Jatropha Cultivation in Tanzania. An Economic Land Evaluation Approach. Tropentag 2010.

Thielen, C.; Krumke, S. (2010): Strong implementation of social choice function in dominant strategies. Proceedings of the 3rd International Workshop on Computational Social Choice (COMSOC) 2010, S. 319–330.
mehr

Thielen, C.; Westphal, S. (2010): A combinatorial algorithm for strong implementation of social choice functions. Proceedings of the 3rd International Workshop on Computational Social Choice (COMSOC) 2010, S. 331-341.
mehr

2009

Thielen, C.; Krumke, S. (2009): Truthful Mechanisms for Selfish Routing and Two-Parameter Agents. Konferenzbeitrag für Proceedings of the 2nd International Symposium on Algorithmic Game Theory (SAGT) 5814, S. 36-47. DOI: 10.1007/978-3-642-04645-2_5
mehr

Khanal, S.; Faße, A.; Grote, U.; Hoermann, D. (2009): Promoting Quality in the Value Chain: The Case of Tea from Nepal. Tropentag, October 6-8, 2009, Hamburg.
mehr

Röttgers, D.; Faße, A.; Faße, A.; Grote, U. (2009): Analysing the EU Canola Oil Trade with Developing Countries: A Gravity Model Approach. Tropentag 2009. DOI: 10.13140/2.1.4611.5848
mehr

Thielen, C.; Krumke, S. (2009): Complexity of Strong Implementability. Konferenzbeitrag für Proceedings of the 4th Athens Colloquium on Algorithms and Complexity (ACAC) 2009 (4), S. 1-12. DOI: 10.4204/EPTCS.4.1
mehr   Open Access

Winter, E.; Faße, A. (2009): Food Security, Energy Equity, and the Global Commons: a Computable Village Model applied to sub-Saharan Africa. Contributed Paper prepared for presentation at the International Association of Agricultural Economists’ 2009 Conference, Beijing, China, August 16-22, 2009.
mehr

Thielen, C. (2009): Generalized truthful mechanisms for scheduling verifiable related machines. Proceedings of the 9th Workshop on Models and Algorithms for Planning and Scheduling Problems (MAPSP) 2009, S. 198-200.

2008

Thielen, C.; Krumke, S. (2008): A General Scheme for Designing Monotone Algorithms for Scheduling Problems with Precedence Constraints. Konferenzbeitrag für Proceedings of the 6th Workshop on Approximation and Online Algorithms (WAOA) 5426, S. 105-118. DOI: 10.1007/978-3-540-93980-1_9
mehr

2006

Goy, I.; Adler, M.; Faße, A. (2006): Status Quo und Perspektiven des ökologischen Gemüsebaus in Deutschland. Vortrag bei Tag des ökologischen Gartenbaus, Hamburg 2006.
mehr


Beiträge in Monografien, Sammelwerken, Schriftenreihen (peer-reviewed)

2018

Kebede, S.; Krause, H.; Ngenoh, E.; Bett, H.; Faße, A.; Bokelmann, W. (2018): Hortinlea baseline survey report 2014. Hannover Economic Papers (HEP) .
mehr

2009

Diller, R.; Riepl, H.; Rose, O.; Frias, C.; Henze, G.; Prokop, A. (2009): Chapter 71: Desmethylxanthohumol from Hops, Chemistry and Biological Effects. Beer in Health and Disease Prevention, S. 703-709. DOI: 10.1016/B978-0-12-373891-2.00071-7
mehr


Beiträge zu wissenschaftlicher Konferenz/Tagung

2021

Nguyen, M.; Emberger-Klein, A.; Menrad, K. (2021): The effects of customized price discounts on choices of low-fat dairy products: A German household panel study. Kompetenzcluster der Ernährungsforschung. Cluster Conference Competence Cluster Nutrition Research, 17.-19.5.2021, S. 116.

Spykman, O.; Emberger-Klein, A.; Gabriel, A.; Gandorfer, M. (2021): Feldroboter aus Sicht der Gesellschaft – Auswertung eines Discrete Choice Experiments. 41. GIL-Jahrestagung, Informations- und Kommunikationstechnologie in kritischen Zeiten. Bonn: Gesellschaft für Informatik e.V, S. 295-300.
mehr

2019

Greil, O.; Kainz, J.; Kain, M.; Haber, A. (2019): Optimierungsmodell für unterschiedliche Lade- und Entladestrategien von PV-Speichersystemen. Beitrag zur 11. Internationale Energiewirtschaftstagung (IEWT) vom 13.-15. Februar 2019 an der TU Wien, Österreich.
mehr

2018

Bussa, M.; Röder, H.; Zollfrank, C. (2018): The potential of residues of lipopeptide separation from cyanobacteria as feedstock for bioplastics. Ökobilanz Werkstatt, 10-11th October 2018, Osnabrück.

Bussa, M.; Röder, H.; Zollfrank, C. (2018): The potential of residues of lipopeptide separation from cyanobacteria as feedstock for bioplastics: an application of LCA in the product development stage. SETAC Europe 24th LCA Symposium, 24-26th September 2018, Vienna.

Gruber, M.; Behringer, L.; Röder, H.; Gaderer, M.; Mayer, W. (2018): Lastmanagement auf Verteilnetzebene: Wann lassen sich erneuerbare Energien wirtschaftlich integrieren? Ein Stromgestehungskostenmodell. 15. Symposium Energieinnovation – Technische Universität Graz, Österreich, 14. – 16. Februar 2018.
mehr

2017

Gruber, M.; Behringer, L.; Röder, H.; Mayer, W. (2017): Load Management at Distribution Grid Level: A Pricing Model following the Polluter-Pays-Principle. 15th IAEE European Conference, 03. – 06.09.2017, Vienna, Austria.
mehr

Gruber, M.; Röder, H.; Haber, A.; Mayer, W. (2017): Lastmanagement auf Verteilnetzebene: Einsparpotenzial für Kunden und Netzbetreiber? Ein Beispiel in Deutschland. 10. Internationale Energiewirtschaftstagung – Technische Universität Wien, Österreich, 15. – 17. Februar 2017, S. 1-15.
mehr

2016

Eisen, A.; Cyffka, B.; Kügel, B. (2016): Ökohydrologische Untersuchungen an ausgewählten Altarmen im Bereich der Stadt Eichstätt. 48. Jahrestreffen des Arbeitskreises Hydrologie vom 17.-19. November 2016 in München.

2015

Emberger-Klein, A.; Gabriel, A.; Menrad, K. (2015): A, B oder C-Ware – Welche Bedeutung haben Qualitätsklassen beim Kauf von Frischgemüse bei Wochenmarktkunden? DGG-Proceedings 5 (8), S. 1-5. DOI: 10.5288/dgg-pr-05-08-ae-2015
mehr

2013

Rumm, S.; Klein, A.; Zapilko, M.; Menrad, K. (2013): Labelling for bio-based plastics. Proceedings of the First International Conference on Resource Efficiency in Interorganizational Networks - ResEff 2013 -, Göttingen, S. 403-414.
mehr

2012

Gabriel, A.; Klein, A.; Menrad, K.; Engelhard, K. (2012): Zahlungsbereitschaft von Kunden im gärtnerischen Einzelhandel für Pflanzentöpfe aus nachwachsenden bzw. recycelten Rohstoffen. Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaus e.V. (2012): Unternehmerische Landwirtschaft zwischen Marktanforderungen und gesellschaftlichen Erwartungen 47, S. 447-449.
mehr

Klein, A.; Menrad, K.; Zapilko, M. (2012): Personal values of different user segments of ethical food products. Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaus e.V. (2012): Unternehmerische Landwirtschaft zwischen Marktanforderungen und gesellschaftlichen Erwartungen 47, S. 457-459.
mehr

Gabriel, A.; Menrad, K. (2012): Market acceptance and willingness to pay of customers for plants in biodegradable pots. 2nd symposium on horticulture in Europe 1st - 5th July 2012 in Angers (France). Book of abstracts, S. 139.

Stiehler, W.; Decker, T.; Menrad, K. (2012): Energy Turnaround in Germany - Public perception of external effects of Biogas technology by German inhabitants in their roles as citizens, residents and consumers under economic, ecological and social viewpoints. Presentation and Paper at the Conference on Sustainable Business in Asia. Bangkok, Thailand. Book of Proceedings.

Gabriel, A.; Menrad, K. (2012): Price perception and long-term price knowledge of buyers of ornamental plants. 2nd symposium on horticulture in Europe 1st - 5th July 2012 in Angers (France). Book of abstracts, S. 139-140.

Hauk, S.; Röder, H. (2012): Kurzumtriebsplantagen (KUP) – Energie(holz)lieferant und Einkommensalternative. 22. C.A.R.M.E.N-Symposium. Erneuerbare Energien – die ökologsche und ökonomische Wende; Festung Marienberg, Würzburg 02. – 03. Juli 2012. 1. Aufl. Straubing: C.A.R.M.E.N.

Stiehler, W.; Decker, T.; Menrad, K. (2012): Side effects of biogas plants perceived by German citizens - An analysis of German (mass)media and an online survey in Bavaria. Paper and Poster at the 20th European Biomass Conference and Exhibition. Conference 18 - 22 June 2012, exhibition 18 - 21 June 2012, Milano, Italy. Book of Proceedings.

Stiehler, W.; Decker, T.; Menrad, K. (2012): Wahrnehmung und gesellschaftliche Akzeptanz von Erneuerbaren Energien - Ergebnisse empirischer Untersuchungen zum Thema Biogas. Vortrag und Tagungsbandbeitrag beim 19. C.A.R.M.E.N.-Forum "Energiewende - Wege in die Praxis" am 26. März 2012 in Straubing.

2009

Bänfer, O.; Nelles, O.; Kainz, J.; Beer, J. (2009): Local Model Networks with Modified Parabolic Membership Functions. 2009 International Conference on Artificial Intelligence and Computational Intelligence (AICI), 7-8 Nov. 2009, S. 179-183. DOI: 10.1109/AICI.2009.477
mehr

2003

Röder, H. (2003): Logistik der Energieträgerbereitstellung in Finnland. Tagungsband der 9. Internationalen Fachtagung der TU Bergakademie Freiberg. Gustav Zeuner Str. 7, D-09596 Freiberg / Sachsen.

1998

Röder, H. (1998): Pflanzensoziologische Standorterkundung mit der Formalen Begriffsanalyse. Sammlung der Beiträge von der 10. Jahrestagung der Sektion Forstliche Biometrie und Informatik des Deutschen Verbandes Forstlicher Forschungsanstalten vom 24.- 26.9.1997, S. 119-130.

Röder, H.; Döllerer, M.; Quednau, H. (1998): Nichthierarchische Klassifikation von Standorten und deren Visualisierung in einem GIS. Internationale Biometrische Gesellschaft. Deutsche Region. Tagungsberichte der Arbeitsgruppe Ökologie (9), S. 22-32.
mehr

1997

Röder, H.; Quednau, H. (1997): Interpretation forstökologischer Daten mit vollständigen und gestuften Begriffsverbänden. Tagungsberichte der Arbeitsgruppe Ökologie der Deutschen Region der Internationalen Biometrischen Gesellschaft. AG Tagung beim 42. Biometrischen Kolloquium in Magdeburg am 12.03.1996, Heft 8, S. 112-121.

Röder, H.; Pausch, R.; Quednau, H. (1997): Begriffliche Analyse von Waldbewirtschaftungskriterien. Sammlung der Beiträge von der Jahrestagung der Sektion Forstliche Biometrie und Informatik des Deutschen Verbandes Forstlicher Forschungsanstalten 1996. Ljubljana, S. 111-119.

1996

Röder, H. (1996): Explorative Datenanalyse zur Erhebung von Tätigkeitsstrukturen und zur Bewertung. Tätigkeitsstrukturen und Anforderungen an Forstamtsleiter und Revierleiter unter verschiedenartigen Waldfunktionen und Wirtschaftsbedingungen im Freistaat Sachsen. Schriftenreihe des Bundesministeriums für Ernährung, Landwirtschaft und Forsten. Reihe A: Angewandte Wissenschaft (454).

Röder, H. (1996): Strukturanalyse in der Vegetationskunde mit der Formalen Begriffsanalyse. Sammlung von Beiträgen aus der Jahrestagung der Sektion Forstliche Biometrie und Informatik des Deutschen Verbandes Forstlicher Forschungsanstalten 1995, Ljubljana, S. 188-198.


Zeitschriftenbeiträge

2021

Boesen, S.; Raith, A.; Thielen, C.; Tidswell, J. (2021): Enforcing fuel-optimal traffic patterns. EURO Journal on Transportation and Logistics 2021 (10), S. 100060. DOI: 10.1016/j.ejtl.2021.100060
mehr

Ajekwe, R.; Grieb, M.; Genze, N.; Grimm, D. (2021): Beikrauterkennung mit Drohnen und künstlicher Intelligenz. Schule und Beratung 2021 (8-10), S. 12-15.
 mehr

Neuartige Technologien, verknüpft mit intelligenter Bildauswertung, eröffnen große Poten- ziale im Bereich der Effizienzsteigerung in der Landwirtschaft. Mit Hilfe von modernsten Ver- fahren des maschinellen Lernens (z. B. künstliche neuronale Netze) sollen drohnenbasierte Bildaufnahmen von Sorghum-Anbauflächen automatisch analysiert und Beikraut erkannt werden. Sorghum wird in Bayern als Energiepflanze vor allem für die Biogasproduktion an- gebaut. Die hohe Biomasseleistung und die große Sortenvarietät in Verbindung mit seiner Trockenheitstoleranz und Nährstoffeffizienz machen Sorghum zu einer vielversprechenden Rohstoffpflanze.

2019

Vienken, T.; Meng, B.; Kolditz, O.; Shao, H. (2019): Evaluating the thermal impacts and sustainability of intensive shallow geothermal utilization on a neighborhood scale: Lessons learned from a case study. Energy Conversion and Management 2019 (199). DOI: 10.1016/j.enconman.2019.111913
mehr

2018

Frankl, M.; Huber, G.; Remmele, E.; Kainz, J. (2018): Emissionen von Ethanolkraftstoffen im Straßenverkehr – E5-, E10- und E85-Kraftstoff im Flexible-Fuel-Vehicle. GIT-Laborzeitschrift 12, S. 22-23.
mehr

Scherer, C.; Emberger-Klein, A.; Menrad, K. (2018): What consumers know and think… Consumers‘ experience, knowledge, expectations and preferences regarding products made of biobased plastics. Bioplastics Magazine (1).
mehr

2017

Lampert, P. (2017): Publikationsliste als PDF-Dokument.
mehr

Schöps, J.; Menrad, K. (2017): Hydro-Salat mit Wurzelballen: Die Frische gezielter bewerben. Gemüse 53 (10), S. 46-48.

2016

Klein, D.; Wolf, C.; Tiemann, A.; Weber-Blaschke, G.; Röder, H.; Schulz, C. (2016): Der »Carbon Footprint« von Wärme aus Holz. LWF aktuell 01/2016 (58-61).
mehr

2015

Lampert, P. (2015): Nicht nur die Produzenten sind in der Pflicht. Deutscher Gartenbau Produktion & Handel 11, S. 50-51.

Kinzl, F.; Riepl, H. (2015): Synthesis of Terpene Diamines Based on Camphor-Derived Dinitriles. Helvetica Chimica Acta 98 (4), S. 447-452. DOI: 10.1002/hlca.201400346
mehr

Urmann, C.; Oberbauer, E.; Couillard-Després, S.; Aigner, L.; Riepl, H. (2015): Neurodifferentiating potential of 8-prenylnaringenin and related compounds in neural precursor cells and correlation with estrogen-like activity. Planta Medica 81 (4), S. 305-311. DOI: 10.1055/s-0034-1396243
mehr

2013

Vienken, T.; Matthes, K.; Nusche, H.; Dietrich, P. (2013): Reply to the Commentary by Fuchs et al. on the Paper „Effects of Measuring Uncertainties in Particle Size Analysis on the Calculation of Transmittance Levels“ by Matthes et al. Grundwasser 17 (2), S. 105-111.

2012

Riepl, H.; Urmann, C. (2012): Improved Synthesis of Indirubin Derivatives by Sequential Build-Up of the Indoxyl Unit: First Preparation of Fluorescent Indirubins. Helvetica Chimica Acta 95 (8), S. 1461-1477. DOI: 10.1002/hlca.201200042
mehr

2011

Röder, H.; Euringer, C. (2011): Biomass availability in Europe and potential imports. VGB Powertech Journal 09/2011. Essen/Germany.

2010

Menrad, K.; Hirzinger, T.; Reitmeier, D. (2010): Coexistence and traceability of GMOs in the agrofood sector. Baram, M.; Bourrier, M. (Hrsg.): Governing risk in GM agriculture. Cambridge University Press, S. 139-168.

Klein, A.; Menrad, K. (2010): Regionale Milchvermarktungsprojekte für einen „fairen“ Milchpreis – Eine Bestandsaufnahme. Schule und Beratung (3-4), S. II 5-8.

Menrad, K.; Schöps, J.; Gabriel, A. (2010): Zufrieden? Eine Kunden-Analyse. G&V Gestalten und Verkaufen (10), S. 12-15.

Edelmann, K.; Ahrens, D.; Mayer, H. (2010): Die Entwicklung der SO2- und NO2-Immissionen in Baden-Wuerttemberg seit 1965. Immissionsschutz 15 (1), S. 12-22.

2008

Gottl, M.; Gabriel, A.; Menrad, K. (2008): Studie "Kundenzufriedenheit". Gärtner + Florist 13 (2), S. 27.

Gottl, M.; Gabriel, A.; Menrad, K. (2008): Thema "Kundenbindung". Gärtner + Florist 13 (3), S. 43.

Peters, K.; Gabriel, A.; Menrad, K. (2008): Staudenmarkt in den USA: Unterschiede zu Deutschland. Deutscher Gartenbau 62 (41), S. 27.

Peters, K.; Gabriel, A.; Menrad, K. (2008): Der Staudenmarkt in den USA. Deutscher Gartenbau 62 (41), S. 25-26.

Gottl, M.; Gabriel, A.; Menrad, K. (2008): Wie Kunden zu ihrer Gärtnerei stehen. Deutscher Gartenbau 62 (3), S. 19-22.

2007

Menrad, K.; Dudek, N.; Schöps, J.; Gabriel, A. (2007): Einkaufsverhalten junger Familien bei Gartenbauprodukten. Deutscher Gartenbau 61 (29), S. 14-15.

2006

Ohmayer, G.; Gabriel, A. (2006): Warenwirtschaft für den Einzelhandel - was die neuen Versionen der Software-Hersteller bieten. TASPO-Gartenmarkt, Dez. 2006, 5.

Ohmayer, G.; Gabriel, A.; Markl, W.; Sieweke, C. (2006): HortiCarta - Multimediales Gartenbau-Lexikon. DeGa, 28, 20, 2006.

2005

Gabriel, A.; Menrad, K. (2005): Stauden - Wie entwickelt sich der Absatz in Deutschland? Deutscher Gartenbau 59 (17), S. 40-41.

Gabriel, A.; Menrad, K. (2005): Stauden produzieren - Wohin geht der Trend in Deutschland? Deutscher Gartenbau 59 (23), S. 37-39.

Gabriel, A.; Menrad, K. (2005): Wohin geht der Trend? DEGA Grüner Markt (11), S. 30-31.

2004

Doll, K.; Riepl, H.; Dirksen, G. (2004): Pathophysiological significance of steatorrhea as well as of hydroxystearic acids in the feces of calves with diarrhea. Deutsche tierärztliche Wochenschrift 111 (1), S. 22-28.

2003

Röder, H. (2003): Trends in the wood supply of Europe’s forest industries. Know How Wire, June 2003, Jaakko Pöyry Group. Vantaa.

2002

Röder, H. (2002): Rohstoff Holz. Versorgung gesichert? Holzkurier 57 (48).

2001

Röder, H.; Gilch, N. (2001): Vermarkten im Internet? Bayerisches Landwirtschaftliches Wochenblatt. BLV-Verlag. München.

1999

Doll, K.; Riepl, H.; Eichhorn, W.; Dirksen, G. (1999): Bile acid concentrations in serum, bile and feces of healthy calves and calves with diarrhea. Deutsche tierärztliche Wochenschrift 106 (1), S. 35-40.

1998

Röder, H.; Döllerer, M.; Quednau, H. (1998): Vom Diagramm zur Karte. Arc Aktuell: Land- und Forstwirtschaft (1).

1996

Röder, H.; Fischer, A.; Klöck, W. (1996): Waldentwicklung auf Quasi-Dauerflächen im Luzulo-Fagetum der Buntsandsteinrhön (Forstamt Mittelsinn) zwischen 1950 und 1990. Forstwissenschaftliches Centralblatt 115, S. 321-335.


Beiträge in Monografien, Sammelwerken, Schriftenreihen

2021

Menrad, K. (2021): Nachhaltigkeit und Konsum im Lichte der Corona-Krise. TUM Forum Sustainability - Wissenschaft, Vernunft & Nachhaltigkeit: Denkanstöße für die Zeit nach Corona, TU München, S. 182-185.

2018

Anees, M.; Bussa, M.; Dominguez, C.; Duran, M.; Kadam, M.; Rojas-Solórzano, L. (2018): Solar Water Heating for Aquaculture Applications in Cold Climates: A Case Study of Finland. The Role of Exergy in Energy and the Environment. Green Energy and Technology. Springer, Cham, S. 573-587. DOI: 10.1007/978-3-319-89845-2_40
mehr

2016

Lampert, P. (2016): Wie klimafreundlich ist die regionale Vermarktung von Spargel? In DIRKSMEYER, W., C. SCHULTE, L. THEUVSEN (Hrsg.): Aktuelle Forschung in der Gartenbauökonomie. Nachhaltigkeit und Regionalität – Chancen und Herausforderungen für den Gartenbau. Tagungsband zum 2. Symposium für Ökonomie im Gartenbau am 1. März 2016 im Thünen-Institut in Braunschweig Johann Heinrich von Thünen-Institut.

2015

Klein, A.; Menrad, K.; Gabriel, A.; Zapilko, M. (2015): Klima-Kennzeichnung von Gartenbauprodukten? Ansichten und Anforderungen verschiedener Akteure und Stakeholder an ein C02-Zertifizierungs- und Labelling-System. In: Dirksmeyer, W.; Theuvsen, L.; Kayser, M. (Hrsg.): Aktuelle Forschung in der Gartenbauökonomie. Tagungsband zum 1. Symposium für Ökonomie im Gartenbau. Braunschweig: Johann Heinrich von Thünen-Institut, Thünen Report 22, S. 167-184.
mehr

Lampert, P.; Lemmerer, A.; Menrad, K. (2015): Smartshopping via Smartphone? Zur Bedeutung des mobilen Internets beim Informationsverhalten bei Obst und Gemüse. In: Dirksmeyer, W.; Theuvsen, L.; Kayser, M. (Hrsg.): Aktuelle Forschung in der Gartenbauökonomie. Tagungsband zum 1. Symposium für Ökonomie im Gartenbau. Braunschweig: Johann Heinrich von Thünen-Institut, Thünen Report 22, S. 33-44.
mehr

2014

Gaus, C.; Menrad, K.; Decker, T. (2014): Verkaufsbereitschaft von Landwirten für Stroh in Bayern. Wie viel Markt und wie viel Regulierung braucht eine nachhaltige Agrarentwicklung?, Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e. V. 49, S. 409-410.
mehr

Bauer, R.; Menrad, K. (2014): Adaptive hybrid preference measurement methods in product innovation. The Proceedings of XXV ISPIM Conference - Innovation for Sustainable Economy and Society, 08.-11.06 2014, Dublin, Ireland, S. 79.
mehr

2013

Stiehler, W.; Decker, T.; Menrad, K. (2013): Wahrnehmung, generelle gesellschaftliche Akzeptanz der Technologie Biogas sowie Anwohnerakzeptanz von bestehenden und fiktiven Biogasanlagen-Standorten. Vortrag und Tagungsbandbeitrag bei der 22. Jahrestagung und Fachmesse des Fachverband Biogas, Leipzig. Tagungsband, S. 43-49.

Hertel, M.; Sauer, V.; Lampert, P.; Menrad, K. (2013): Energieeffizienzsteigerung im Gartenbau unter Glas in Bayern. FORETA - Ergebnisse des Forschungsverbundes. Herausgegeben von Wolfgang A. Mayer. Verlag Attenkofer Straubing, S. A1-A24.

Kainz, U.; Zapilko, M.; Decker, T.; Menrad, K. (2013): Consumer-relevant Information about Bioplastics. Proceedings of the First International Conference on Resource Efficiency in Interorganizational Networks - ResEff 2013 -, Göttingen, S. 391-402.
mehr

Stellmacher, T.; Faße, A.; Garcia-Yi, J.; Grote, U. (2013): Conserving Agrobiodiversity on Small-Scale Farms in Developing Countries through Innovative Market-Based Instruments. In: Christinck, A. and M. Padmanabhan (eds.) (2013): Cultivate Diversity! A Handbook on Transdisciplinary Approaches to Agrobiodiversity Research. Margraf Publishers, Weikersheim.

2012

Kurka, S.; Menrad, K. (2012): Consumers' preferences and their willingness to pay for juice with different packaging options in selected European countries. Beitrag im Tagungsband der International Food & Agribusiness Management Association (IFAMA) 22nd Annual World Symposium vom 10.-11.06.2012 in Shanghai.

Menrad, K.; Gabriel, A.; Bez, J.; Gylling, M.; Larsen, A.; Maciejczak, M.; Stolze, M.; Gryson, N.; Eeckhout, M.; Pensel, N.; Rocha dos Santos, R. (2012): Costs of segregation and traceability between GM and non-GM supply chains of single crop and compound food/feed products. Genetically modified and non-genetically modified food supply chains, Wiley-Blackwell (UK), S. 177-191.

Gryson, N.; Eeckhout, M.; Soler, L.; Lécroart, B.; Trouillier, A.; Le Bail, M.; Bourgier, R.; Copeland, J.; Gylling, M.; Maciejczak, M.; Meglic, K.; Menrad, K.; Gabriel, A.; Tapia, C.; Ghezan, G.; Pelaez, V.; Rocha dos Santos, R. (2012): Empirical analysis of co-existence in commodity supply chains. Genetically modified and non-genetically modified food supply chains, Wiley-Blackwell (UK), S. 141-160.

2011

Menrad, K.; Stiehler, W. (2011): Akzeptanz von erneuerbaren Energien und Nachwachsenden Rohstoffen - Winning hearts and minds. C.A.R.M.E.N. e.V. (Hrsg.): Unendlich statt unwägbar - Erneuerbare Energien für die Zukunft. 19. C.A.R.M.E.N. Symposium, S. 67-87.

Stiehler, W.; Decker, T.; Zapilko, M.; Menrad, K. (2011): Public acceptance of renewable energies in Bavaria using the example of biomass cogeneration plants and biogas plants. Paper and Poster at the 19th European Biomass Conference and Exhibition. Berlin, Germany. Book of Proceedings, S. 2762-2766.

Stiehler, W.; Decker, T.; Menrad, K. (2011): Public acceptance of biomass cogeneration heat (and power) plants (BCH(P)P's) in Bavaria. Paper and Poster at the International Nordic Bioenergy Conference 2011. Jyväskylä, Finland. Book of Proceedings, S. 48-52.

Anzinger, M.; Zapilko, M.; Menrad, K.; Hofmann, M. (2011): Preferences of Munich beer consumers. Beitrag im Tagungsband der 2. Beeronomics-Konferenz, Freising vom 21. bis 24.09.2011.

2010

Menrad, K.; Gabriel, A. (2010): Segmentation of customers of horticultural products in Germany. In: Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaus e. V. (2010): Agrarmärkte nach dem Boom 45, S. 491-493.

Klein, A.; Zapilko, M.; Menrad, K.; Gabriel, A. (2010): Consumer acceptance of genetically modified rapeseed-oil. A discrete-choice-experiment. In: Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaus e. V. (2010): Agrarmärkte nach dem Boom 45, S. 227-239.

Menrad, K.; Schöps, J.; Gabriel, A. (2010): Kundenorientiert = erfolgreich!? Ergebnisse eines Forschungsprojektes bei bayerischen Einzelhandelsgärtnereien. Amt für Landwirtschaft und Forsten Kitzingen, Gartenbauzentrum Bayern Nord (Hrsg.) (2010): 16. Bayerischer Marketingtag für Gärtner und Floristen. Würzburg, S. 10-16.

Zapilko, M.; Menrad, K.; Kurka, S.; Klein, A. (2010): Consumer interests in biobased products in the EU. BIT’s 3rd Annual World Congress of Industrial Biotechnology (ibio) 2010, S. 89.

Decker, T.; Zapilko, M.; Menrad, K. (2010): Buying behaviour related to heating systems in Germany. Beitrag im Tagungsband der Biomasse Konferenz vom 3.-7.5.2010 in Lyon.

Kurka, S.; Klein, A.; Menrad, K. (2010): Consumers’ willingness-to-pay for biobased products – an empirical study. Beitrag im Tagungsband der Biomasse Konferenz vom 3.-7.5.2010 in Lyon.

Decker, T.; Zapilko, M.; Menrad, K. (2010): Purchasing behaviour related to heating systems in Germany with special consideration of consumers’ ecological attitudes. The Bioenergy Association of Finland (FINBIO) (Hrsg.): Forest Bioenergy 2010. Book of Proceedings 47, S. 25-33.

Schöps, J.; Menrad, K.; Gabriel, A. (2010): Drivers for customer satisfaction within the traditional German horticultural retail. ISHS (Hrsg.): Science and horticulture for people. 28th International Horticultural Congress Lisboa 2010. Book of abstracts 1, S. 101.

Gabriel, A.; Menrad, K.; Schöps, J. (2010): Determination and evaluation of success factors for the traditional horticultural retail depending on individual operating aims. ISHS (Hrsg.): Science and horticulture for people. 28th International Horticultural Congress Lisboa 2010. Book of abstracts 1, S. 101.

Hertel, M.; Menrad, K.; Krusche, S.; Köhler, L.; Lampert, P.; Sauer, V. (2010): Energieeffizienzsteigerung im Gartenbau in Bayern. Zentrum für Betriebswirtschaft im Gartenbau e. V. (Hrsg.): Arbeit und Energie. Zusammenfassung der 48. Betriebswirtschaftlichen Fachtagung Gartenbau, S. 81-88.

Menrad, K.; Decker, T.; Kurka, S.; Zapilko, M. (2010): Consumer aspects and communication of bio-based products. Bayern Innovativ (Hrsg.): Biopolymers - perspectives, technologies, markets. 2nd Cooperation Forum, Straubing, November 11th, 2010. Beitrag im Tagungsband.

2009

Menrad, K.; Zapilko, M. (2009): Verbrauchersegmentierung für Functional Food in europäischen Ländern. Christians-Albrecht-Universität, DLG, DGE, GDL (Hrsg.) (2009): 4. Symposium „Funktionelle Lebensmittel“, S. 23.

Menrad, K.; Gabriel, A.; Gylling, M. (2009): Costs of co-existence and traceability systems in the food industry in Germany and Denmark. Co-Extra International Conference – Programme and Abstracts, Paris, S. 138.

Zapilko, M.; Klein, A.; Gabriel, A.; Menrad, K. (2009): Preference heterogeneity among German consumers regarding GM rapeseed-oil. Co-Extra International Conference – Programme and Abstracts, Paris, S. 137.

Costa-Font, M.; Gil, J.; Gylling, M.; Gabriel, A.; Menrad, K.; et, a. (2009): Consumers’ attitudes of the EU traceability and labeling regulation. Co-Extra International Conference – Programme and Abstracts, Paris, S. 33-34.

Menrad, K.; Gabriel, A. (2009): Costs and benefits of segregation and traceability between GM and non-GM supply chains of final food products. Co-Extra International Conference – Programme and Abstracts, Paris, S. 30-32.

Bez, J.; Bourgier, R.; Copeland, J.; Menrad, K.; et, a. (2009): Empirical analysis in commodity supply chains. Co-Extra International Conference – Programme and Abstracts, Paris, S. 25-27.

Sparke, K.; Menrad, K. (2009): The influence of eating habits on preferences towards innovative food products. In: Barbosa-Cánovas, G. V. et al. (Ed.): Global issues in food science and technology. Elsevier, S. 93-116.

Menrad, K.; Gabriel, A.; Zapilko, M. (2009): Cost of GMO-related co-existence and traceability systems in food production in Germany. Contributed paper prepared for the International Association of Agricultural Economists Conference in Beijing.
mehr

Decker, T.; Zapilko, M.; Menrad, K. (2009): Purchasing behaviour related to heating systems in Germany with special consideration of consumers’ ecological attitudes. Contributed paper für Energy Engineering, Economics and Policy Conference (EEEP) 2009 in Orlando.

Menrad, K.; Gabriel, A.; Gylling, M.; Larsen, A.; Voltolina, P.; Stolze, M.; Morgner, M.; Oehen, B.; Maciejczak, M.; Gryson, N.; Eeckhout, M. (2009): Costs and benefits of co-existence and traceability between GM and non-GM supply chains. Synthesis report. Project Report, EU-Projekt Co-Extra. Wissenschaftszentrum Straubing, FOI (Kopenhagen), FiBL (Frick), SGGW/WAU (Warschau), Hogent (Ghent), 130 S.

Kurka, S.; Menrad, K. (2009): Market acceptance of biorefinery concepts amongst consumers. Projektbericht im EU-Projekt “Assessment of biorefinery concepts and the implications for agricultural and forestry policy” (BIOPOL). Wissenschaftszentrum Straubing, 52 S.
mehr

Zapilko, M.; Klein, A.; Menrad, K. (2009): Preference heterogeneity among German consumers regarding GM rapeseed-oil. Beitrag 4th International Conference on Coexistence between genetically modified (GM) and non-GM based agricultural supply chains (GMCC 2009) in Melbourne.

Menrad, K.; Gabriel, A.; Gylling, M. (2009): Costs of co-existence and traceability systems in the food industry in Germany and Denmark. Beitrag 4th International Conference on Coexistence between genetically modified (GM) and non-GM based agricultural supply chains (GMCC 2009) in Melbourne.

2008

Diller, R.; Riepl, H.; Rose, O.; Frias, C.; Henze, G.; Prokop, A. (2008): Desmethylxanthohumol from hops, chemistry and biological effects. Enzylopaedic Handbook of Hop and Beer.

Hirzinger, T.; Menrad, K.; Bez, J. (2008): Organisation und Bewertung des erweiterten Qualitätsmanagements bei der Herstellung Gentechnik-freier Produkte am Beispiel der Rapsund Sojaverarbeitung. In: Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaus e.V. (2008): Agrar- und Ernährungswirtschaft im Umbruch 43, S. 133-142.

Sparke, K.; Menrad, K. (2008): Dimensionen der Verbraucherresonanz bei der Neuproduktbeurteilung von Lebensmitteln. In: Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e.V. (2008): Agrar- und Ernährungswirtschaft im Umbruch 43, S. 53-63.

Schöps, J.; Gabriel, A.; Menrad, K. (2008): Young families as buyers of horticultural products. In: Inglese, P.; Bedlan, G. (Hrsg.) (2008): First symposium on horticulture in Europe 17th-20th February 2008 in Vienna. Book of abstracts, S. 185-186.

Gabriel, A.; Menrad, K. (2008): Clustering of groups of regular customers in horticultural retail stores in Austria. In: Inglese, P.; Bedlan, G. (Hrsg.) (2008): First symposium on horticulture in Europe 17th-20th February 2008 in Vienna. Book of abstracts, S. 161-162.

Kittemann, F.; Gottl, M.; Gabriel, A.; Menrad, K. (2008): Comparison of customer satisfaction in different types of distribution channels of horticultural products in Austria and Bavaria. In: Inglese, P.; Bedlan, G. (Hrsg.) (2008): First symposium on horticulture in Europe 17th-20th February 2008 in Vienna. Book of abstracts, S. 160-161.

Neumaier, D.; Gabriel, A.; Heusser, M.; Meinken, E.; Menrad, K. (2008): Use of industrially made growing media in horticulture – a survey. In: Inglese, P.; Bedlan, G. (Hrsg.) (2008): First symposium on horticulture in Europe 17th-20th February 2008 in Vienna. Book of abstracts, S. 156-157.

Menrad, K.; Joiko, C.; Decker, T.; Gabriel, A. (2008): Stoffliche Nutzung. In: Hüttl, R. F.; Bens, O.; Plieninger, T. (Hrsg.): Zur Zukunft ländlicher Räume: Entwicklungen und Innovationen in peripheren Regionen Nordostdeutschlands. Forschungsberichte der Interdisziplinären Arbeitsgruppen der Berlin-Brandenburgischen Akademie der Wissenschaften, Akademie Verlag GmbH, Berlin, 20, S. 261- 281.

2007

Menrad, K.; Gabriel, A. (2007): National innnovation systems in horticulture in Germany and the Netherlands. Chen, J.; Xu, Q.; Wu, X. (Hrsg.) (2007): Proceedings of the Fifth International Symposium on Management of Technology (ISMOT'07) "Managing total innovation and open innovation in the 21st century", S. 1554-1559.

Menrad, K.; Gabriel, A.; Schöps, J.; Kittemann, F.; Gottl, M.; Dudeck, N. (2007): Kunden im Fokus: Kundentypen, Einkaufsstätten-Einschätzung und Einkaufsstättenwahl im Grünen Fachhandel. Amt für Landwirtschaft und Forsten Kitzingen (Hrsg.) (2007): 13. Bayerischer Marketingtag für Gärtner und Floristen. Kitzingen, S. 4-8.

Hirzinger, T.; Menrad, K. (2007): Konsequenzen der weltweit zunehmenden Verbreitung gentechnisch veränderter Pflanzen in der Nahrungs- und Futtermittelproduktion in Deutschland. In: Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaus e. V. (2007): Good Governance in der Agrar- und Ernährungswirtschaft. Band 42, S. 395-404.

Sparke, K.; Menrad, K. (2007): Lebensmittelkonsumstil als Segmentierungsansatz für Verbraucherpräferenzen gegenüber innovativen Lebensmittelprodukten. In: Schriften der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaus e. V. (2002): Good Governance in der Agrar- und Ernährungswirtschaft. Band 42, S. 407-416.

Menrad, K.; Sparke, K. (2007): Konsumenten als bloße Melkkühe der Konsumgüterindustrie? Berücksichtigung der Konsumentenbedürfnisse bei der Produktentwicklung. In: Gedrich, K.; Kustermann, W.; Zängler, T.W. (Hrsg.) (2007): Konsumenten im Fokus der Wissenschaft. Studien zur Haushaltsökonomie, Peter Lang Verlag, Frankfurt/M. 30, S. 59-74.

Menrad, K. (2007): Transatlantic conflict over agro-food biotechnology. Book review in Science & Public Policy 34 (1), S. 70-73.

Menrad, K.; Klein, A.; Kurka, S. (2007): Literature review concerning market introduction and development of biorefinery concepts and related products. Projektbericht im EU-Projekt “Assessment of biorefinery concepts and the implications for agricultural and forestry policy” (BIOPOL). Wissenschaftszentrum Straubing, 55 S.

2006

Beer, J.; Kainz, J.; Ketterer, A. (2006): Diagnosis Status of a Modern Engine Management System in View of Failure Isolation of Engine Misfire Events. VDI-Berichte 1931, S. 493.

2005

Hirzinger, T.; Menrad, K. (2005): Effects of the regulation (EC) No 1829/2003 and 1830/2003 on the German food industry. In: Messèan, A. (Hrsg.) (2005): Proceedings, Second International Conference on Co-Existence between GM and non-GM based agricultural supply chains, S. 125-130.

Menrad, K.; Hirzinger, T. (2005): Akzeptanz gentechnisch veränderter Lebensmittel in der EU - Allgemeine Betrachtung. In: Gassen, G.; Hammes, L. (Hrsg.) (2005): Handbuch Gentechnologie und Lebensmittel. 8. Aktualisierungs-Auflage, Behr’s Verlag, Hamburg, III.5.1.1 - III.5.1.9.

Wirthgen, A.; Faße, A. (2005): Consumers’ View and Awareness of Genetically modified Food. In: Theuvsen, L., Spiller, A., Peupert, M. und G. Jahn (eds.) (2007): Quality Management in Food Chains, Wageningen, Netherlands.

1999

Menrad, K.; Lohner, M.; Saviotti, P.; Estades, J. (1999): New possibilities for accessing the capital markets for small and medium-sized biotech enterprises. Office for Official Publications of the European Communities, Luxemburg, 111 S.

Menrad, K.; Bührer, S.; Hüsing , B.; Peter, V. (1999): Etablierung von Forschungspools an den Medizinischen Fakultäten des Landes Nordrhein-Westfalen. Ex post-Analyse der Fördermaßnahme. Fraunhofer-Institut für Systemtechnik und Innovationsforschung, Karlsruhe, 84 S.

1997

Hekmat, D.; Linn, A.; Stephan, M.; Stoffels-Schmid, M.; Vortmeyer, D. (1997): Biofilm Population Dynamics in a Trickle-Bed Bioreactor. Proceedings of the 2nd International Conference on Microorganisms in Activated Sludge and Biofilm Processes, University of California, Berkeley, California, U.S.A., S. 413-416.


Bücher / Monografien

2021

Bharti, R.; Grimm, D. (2021): Design and Analysis of RNA Sequencing Data. Next Generation Sequencing and Data Analysis. Learning Materials in Biosciences. DOI: 10.1007/978-3-030-62490-3_11
 mehr

In this chapter, we introduce the concept of RNA-Seq analyses. First, we start to provide an overview of a typical RNA-Seq experiment that includes extraction of sample RNA, enrichment, and cDNA library preparation. Next, we review tools for quality control and data pre-processing followed by a standard workflow to perform RNA-Seq analyses. For this purpose, we discuss two common RNA-Seq strategies, that is a reference-based alignment and a de novo assembly approach. We learn how to do basic downstream analyses of RNA-Seq data, including quantification of expressed genes, differential gene expression (DE) between different groups as well as functional gene analysis. Eventually, we provide a best-practice example for a reference-based RNA-Seq analysis from beginning to end, including all necessary tools and steps on GitHub: https://github.com/grimmlab/BookChapter-RNA-Seq-Analyses.

2020

Menrad, K. (2020): Nachhaltigkeit und Konsum im Lichte der Corona-Krise - Denkanstöße für die Zeit nach Corona. TUM Forum Sustainability – Wissenschaft, Vernunft & Nachhaltigkeit 2020, S. 182-185.

Blesin, J.; Möhring, W.; Stahl, F.; Scherer, C.; Emberger-Klein, A.; Menrad, K. (2020): Biokunststoffe in der Wahrnehmung und Einschätzung in der Bevölkerung und bei VerbraucherInnen - Biokunststoffe unter dem Blickwinkel der Nachhaltigkeit und Kommunikation.. Springer Fachmedien, Wiesbaden 2020, S. 127-158 . DOI: 10.1007/978-3-658-27795-6
mehr

Scherer, C.; Stahl, F.; Emberger-Klein, A.; Menrad, K. (2020): Einschätzung von Biokunststoffen in der Bevölkerung und bei KäuferInnen in Deutschland - Biokunststoffe unter dem Blickwinkel der Nachhaltigkeit und Kommunikation.. Springer Fachmedien, Wiesbaden 2020, S. 159-181 . DOI: 10.1007/978-3-658-27795-6
mehr

2018

Stoltenberg, U.; Kühnast, B.; Menrad, K.; Botzler, F.; Falk, O. (2018): Kita und Kommune – Partner für eine nachhaltige Entwicklung. Mediengruppe Oberfranken, Kulmbach.

Gumpinger, A.; Roqueiro, D.; Grimm, D.; Borgwardt, K. (2018): Methods and Tools in Genome-Wide Association Studies. Computational Cell Biology. DOI: 10.1007/978-1-4939-8618-7_5
mehr

2016

Wolf, C.; Dressler, D.; Engelmann, K.; Klein, D.; Böswirth, T.; Bryzinski, T.; Effenberger, M.; Hijazi, O.; Hülsbergen, K.; Maze, M.; Remmele, E.; Röder, H.; Schulz, C.; Serdjuk, M.; Tiemann, A.; Weber-Blaschke, G.; Zerle, P. (2016): ExpRessBio – Methoden zur Analyse und Bewertung ausgewählter ökologischer und ökonomischer Wirkungen von Produktsystemen aus land- und forstwirtschaftlichen Rohstoffen. TFZ-Bericht 45, S. 1-165.
mehr

2002

Hüsing , B.; Engels, E.; Frietsch, R.; Gaisser, S.; Menrad, K.; Rubin, B.; Schweizer, R. (2002): Menschliche Stammzellen. Zentrum für Technologiefolgen-Abschätzung des Schweizerischen Wissenschafts- und Technologierates TA 41-Z/2002, Bern, 224 S.


Wissenschaftliche Poster

2021

Nguyen, M.; Emberger-Klein, A.; Menrad, K. (2021): The effects of customized price discounts on choices of low-fat dairy products: A German household panel study. Poster bei Cluster Conference Competence Cluster Nutrition Research, 17.-19.05.2021 (digitale Konferenz).

2016

Mgeni, C.; Sieber, S.; Rybak, C.; Müller, K.; Faße, A. (2016): Scaling-up effects of sunflower value chain upgrading strategies: Opportunities for improving food security for rural areas in Tanzania. DOI: 10.13140/RG.2.2.30055.75687
mehr

2015

Klein, A.; Gabriel, A.; Strober, W.; Sternhardt, M.; Lampert, P.; Ergül, R.; Menrad, K. (2015): Und was macht der Konsument? Berücksichtigung des Verwendungsverhaltens von Verbrauchern bei Obst und Gemüse bei der Berechnung des Product Carbon Footprint. Poster auf der 50. Jahrestagung der DGG, 24.-28. Februar 2015.

2014

Faße, A.; Kissoly, L.; Brüssow, K.; Grote, U.; Kahimba, F.; Makoko, B.; Swai, E. (2014): Farmers’ Integration in Agriculture Value Chains and the Role for Food Insecurity. Trans-SEC Poster.
mehr

2013

Gaus, C.; Menrad, K.; Decker, T. (2013): Farmers' willingness to sell straw in Bavaria. Poster Presentation, 53rd Annual Conference of the German Association of Agricultural Economists, Berlin, Germany, September 25-27, 2013.
mehr

Lampert, P.; Menrad, K. (2013): Wie hoch ist der Product Carbon Footprint von Gartenbauprodukten auf Konsumentenseite? Poster-Präsentation auf der 48. Tagung der Deutschen Gartenbauwissenschaftlichen Gesellschaft an der Universität Bonn, 27.02.-02.03.2013.

Bauer, R.; Menrad, K.; Decker, T. (2013): Preference measurement with adaptive hybrid methods - An empirical study on alternative fuel vehicles. Poster at the 4th congress of the Swiss Electric Mobility Forum, 29.-30.01.2013, Lucerne, Switzerland.

2012

Stiehler, W.; Decker, T.; Menrad, K. (2012): Public acceptance of biogas plants - results of a pilot study in Bavaria. Abstract and Poster at the 2nd BEhavE Energy Efficiency & Behaviour Conference. Helsinki, Finland. Book of Abstracts, S. 127-130.

2011

Lampert, P.; Menrad, K. (2011): Consumer orientated evaluation: Efficiency and acceptance of Carbon Footprints. Poster-Präsentation am WeGa-Doktorandentag am 24.11.2011 in Hannover.

Lampert, P.; Menrad, K. (2011): Verbraucherintegration bei der Carbon Footprint-Berechnung von Gartenbauprodukten. Poster am Product Carbon Footprint World Summit am 26./27.10.2011 in Berlin.

Decker, T.; Menrad, K.; Stiehler, W.; Strober, W. (2011): Akzeptanz von regenerativen Energien und nachwachsenden Rohstoffen in der Bevölkerung. Poster beim Agrarwissenschaftlichen Symposium des Hans-Eisenmann-Zentrums am 28. September 2011 in Weihenstephan/Freising.

Lampert, P.; Hertel, M.; Menrad, K. (2011): Die energetische Ist-Situation bei Gartenbaubetrieben unter Glas in Bayern. Poster beim Agrarwissenschaftlichen Symposium des Hans-EisenmannZentrums am 28. September 2011 in Weihenstephan/Freising.

2003

Ganichev, S.; Schneider, P.; Belkov, V.; Kainz, J.; Rössler, U.; Golub, L.; Weiss, D.; Wegscheider, W.; Schuh, D.; Prettl, W. (2003): Spin-sensitive saturation of heavy-hole-light-hole absorption in p-type GaAs QWs. Nano-2003, St. Petersburg, Russland.

Kainz, J.; Schneider, P.; Ganichev, S.; Rössler, U.; Wegscheider, W.; Weiss, D.; Prettl, W.; Belkov, V.; Golub, L.; Schuh, D. (2003): Hole spin relaxation in Quantum Wells from Saturation of Inter-Subband Absorption. EP2DS-15, July 14th to 18th, 2003 in Nara, Japan.

Kainz, J.; Rössler, U.; Winkler, R. (2003): Intersubband absorption in p-type semiconductor quantum wells – influence of light polarization. DPG-Frühjahrstagung Dresden, 24.-29. März 2003.

2002

Kainz, J.; Rössler, U.; Winkler, R. (2002): Spin splitting and spin-relaxation time in semiconductor heterostructures. 12th International Winter School on New Developments in Solid State Physics, Mauterndorf, Österreich.

Kainz, J.; Rössler, U.; Winkler, R. (2002): Spin splitting and spin-relaxation rates in semiconductor quantum structures. PASPS, Würzburg, 2002.

Kainz, J.; Rössler, U.; Winkler, R. (2002): Spin splitting and spin-relaxation time in semiconductor heterostructures. DPG-Frühjahrstagung Regensburg, 11.-15. März 2002.

2001

Kainz, J.; Mikhailov, S.; Wensauer, A.; Rössler, U. (2001): Ground-state energies of quantum dots in high magnetic fields: A new approach. EP2DS - 14, 30. Juli - 3. August 2001 in Prag, Tschechien.

Kainz, J.; Mikhailov, S.; Wensauer, A.; Rössler, U. (2001): Quantendots in starken Magnetfeldern – Ein neues Verfahren. AKF-Frühjahrstagung der DPG, 26.-30. März 2001 in Hamburg.

2000

Wensauer, A.; Kainz, J.; Mikhailov, S.; Suhrke, M.; Rössler, U. (2000): Ground-state calculations for quantum dots. Quantum Dot 2000, München.


Vorträge

2021

Grimm, D.; Göttl, Q.; Burger, J. (2021): Reinforcement Learning für die automatisierte Fließbildsynthese. AI4Life, KI Symposium.

Kainz, J. (2021): Präsentation des wissenschaftlichen Projektes „Leitfaden zur Rentabilität eines Kleinstpumpspeichersystems mit Pumpe als Turbine“. Vortrag beim 2. VWB und LVBW Wasserkraftseminar am 05. Oktober 2021.

Haselbeck, F.; Grimm, D. (2021): EVARS-GPR: EVent-triggered Augmented Refitting of Gaussian Process Regression for Seasonal Data. 44th German Conference on Artificial Intelligence (Virtual Conference). DOI: 10.1007/978-3-030-87626-5_11
 mehr

Time series forecasting is a growing domain with diverse applications. However, changes of the system behavior over time due to internal or external influences are challenging. Therefore, predictions of a previously learned forecasting model might not be useful anymore. In this paper, we present EVent-triggered Augmented Refitting of Gaussian Process Regression for Seasonal Data (EVARS-GPR), a novel online algorithm that is able to handle sudden shifts in the target variable scale of seasonal data. For this purpose, EVARS-GPR combines online change point detection with a refitting of the prediction model using data augmentation for samples prior to a change point. Our experiments on simulated data show that EVARS-GPR is applicable for a wide range of output scale changes. EVARS-GPR has on average a 20.8% lower RMSE on different real-world datasets compared to methods with a similar computational resource consumption. Furthermore, we show that our algorithm leads to a six-fold reduction of the averaged runtime in relation to all comparison partners with a periodical refitting strategy. In summary, we present a computationally efficient online forecasting algorithm for seasonal time series with changes of the target variable scale and demonstrate its functionality on simulated as well as real-world data. All code is publicly available on GitHub: https://github.com/grimmlab/evars-gpr.

Nguyen, M.; Emberger-Klein, A.; Menrad, K. (2021): Asymmetric effects of price discounts on low-fat versus full-fat products: A choice-based segmentation of pudding buyers in Germany. Vortrag bei Konferenz „Food Reformulation – Regulation and Marketing“, 17.-18.6.2021 (digitale Konferenz).

Menrad, K. (2021): Marketing of biodegradable plastic products. Vortrag auf SAPEA/EU: Biodegradability of plastics – Social sciences webinar. 21.5.2021 (digitale Konferenz).

Menrad, K.; Haselbeck, F.; Berki-Kiss, D.; Decker, T.; Grimm, D.; Hannus, T.; Sparke, K.; Lehberger, M.; Drechsler, M.; Holzapfel, A.; Schröder, S.; Neu, G.; Bertlich, F. (2021): PlantGrid – Digitale Management-Unterstützungssysteme für kleine und mittelständische Unternehmen in Wertschöpfungsketten von Zierpflanzen, Stauden und Schnittblumen. Vortrag auf Statusworkshop der FuE-Projekte im BMEL-Förderschwerpunkt Gartenbau 4.0. 4.-5.5.2021 (digitale Konferenz).

Härtl, S.; Kainz, J.; Schuele, H.; Gaderer, M. (2021): Control of combustion stability and center of combustion on a lean-burn gasoline engine with pre-chamber. 21th Stuttgart International Symposium "Automotive and Engine Technology" 30. – 31.03.2021.

2019

Kainz, J.; Lugauer, F. (2019): Vorstellung eines Forschungsprojektes über die Verwendung eines Kleinstpumpspeicher mit Pumpe zur Optimierung der Eigenversorgung. Vortrag beim Ersten Wasserkraftseminar am TUM-Campus, 11.09.2019.

Bauer, A.; Menrad, K. (2019): Behavioral consistency: Is organic consumption a door-opener for engagement for nature? Abstract zu „The 6th European Conference on Psychology & Behavioral Sciences"-Konferenz. 5.-6.7.2019 in Brighton (United Kingdom).
mehr

Kainz, J. (2019): (Bio-)gas- und Elektromobilität: Was bringt wieviel für’s Klima? C.A.R.M.E.N. Symposium, 02.07.2019, Straubing.

2018

Kainz, J. (2018): Carbon footprint of (bio)gas mobility. 2nd Israel-TUM Winter School „Climate change and energy policy in an era of technological change“, 27.11.2018, Straubing.

2016

Romets, D.; Decker, T.; Menrad, K. (2016): Which factors influence biogas investments of Ukrainian agroholdings? An empirical study of large-scale farms in Ukraine. Vortrag auf 155. EAAE-Seminar "European Agriculture towards 2030. Per-spectives for further East-West Integration", 19.-21. September 2016 in Kiew (Ukraine).

2015

Röder, H. (2015): Der Holzweg – Klimaschutz durch Verarbeitung einheimischen Holzes. Hausmesse der S.H. Spessart Holzgeräte GmbH, Kreuzwertheim/Germany.

Lampert, P.; Menrad, K. (2015): Hat der Verbraucher bereits Interesse am Carbon Footprint von Gartenbauprodukten? Fachvortrag auf der 50. Tagung der Deutschen Gartenbauwissenschaftlichen Gesellschaft (DGG), 24.-28.02.2015 in Freising-Weihenstephan.

Röder, H. (2015): Marktmodell und Preisprognose für Holzpellets in Deutschland. 14. Industrieforum Pellets, 11. bis 12. Juni 2015, Munich/Germany.

Emberger-Klein, A.; Menrad, K. (2015): Climate friendly food choices regarding fruit and vegetables: How German consumers perceive their competence and what supporting measures they would prefer. Vortrag auf dem ISHS 18th International Symposium on Horticultural Economics and Management, 31.05.-03.06.2015 in Alnarp (Schweden).

Klein, A.; Gabriel, A.; Menrad, K. (2015): A, B oder C-Ware - Welche Bedeutung haben Qualitätsklassen beim Kauf von Frischgemüse für Wochenmarktkunden? Vortrag auf der 50. Tagung der Deutschen Gartenbauwissenschaftlichen Gesellschaft (DGG), 24.-28.02.2015 in Freising-Weihenstephan.

Röder, H. (2015): Klimaschutzeffekte der Forst- und Holzwirtschaft in Bayern. BAU Messe, 19.–24. Januar 2015, Munich/Germany.

2014

Röder, H. (2014): Die wirtschaftliche Bedeutung nachwachsender Rohstoffe in Deutschland. Besuch einer chinesischen Delegation am Wissenschaftszentrum Straubing. Straubing/Germany.

Röder, H. (2014): Der Holzweg – Ein entscheidender Beitrag zur Lösung unseres CO2-Problems. Kommunales Bauen im Steigerwaldzentrum Handthal. Handthal/Germany.

Röder, H. (2014): Bioenergie – Ausweg oder Irrtum. Technologiegespräche Alpbach 2014 Arbeitskreis Bioenergie. Alpbach/Austria.

Stiehler, W.; Gamel, J.; Menrad, K. (2014): Wahrnehmung und gesellschaftliche Akzeptanz von Erneuerbaren Energien - Untersuchungen zum Thema Akzeptanz und Bürgerbeteiligung. Vortrag beim Wind & Energie Kongress des renergie Allgäu e.V. am 26. Februar 2014 in Ulm.

2013

Röder, H. (2013): Zukunft der Bayerischen Holzwirtschaft. Mitgliederversammlung des Verbandes der Holzwirtschaft und Kunststoffverarbeitung Bayern/Thüringen. München/Germany.

Röder, H. (2013): Holzbeschaffung in der Region – Wettbewerbsfaktor oder Branchenlegende? ClusterPlus.Forum Forst&Holz. Sägeindustrie 2020 – Regionale Erfolgsfaktoren für die Sägeindustrie in Baden-Württemberg. Empfingen/Germany.

Röder, H. (2013): Chancen von Forst und Holz für den Klimaschutz in Bayern. Cluster.Plus Forum Holz&Forst – Sägeindustrie 2020. Empfingen/Germany.

Klein, A.; Menrad, K.; Zapilko, M. (2013): Klima-Kennzeichnung von Obst- und Gartenbauprodukten? - Ansichten und Anforderungen verschiedener Akteure und Stakeholder an ein CO2-Zertifizierungs- und Labellingsystem. Vortrag auf dem 1. Symposium für Ökonomie im Gartenbau. 27.11.2013 in Göttingen.

Lampert, P.; Menrad, K. (2013): Insights into the retailing and use-phase of horticultural products in a Carbon Footprint Calculation. Vortrag beim 1st International Symposium on Horticulture Economics, Marketing and Consumer Research, August 19th - 21st, 2013 in Portland Oregon (USA).

2012

Röder, H. (2012): Biomass imports to Europe and global availability. 2nd IEA Workshop – Cofiring biomass with coal, Copenhagen/Denmark.

Röder, H. (2012): Availability of wood for material and energetic use. PTS-Symposium. München/Germany.

Röder, H. (2012): Global pellet markets – Status and Outlook. DENA Congress “Co-firing of biomass”. Berlin/Germany.

Lampert, P.; Hertel, M.; Menrad, K. (2012): Status Quo of Energy Efficiency in Greenhouses in Bavaria. Postervortrag bei der Jahrestagung der Schweizerischen Gesellschaft für Agrarsoziologie und Agrarwirtschaft (SGA) in Spiez (Schweiz) am 22. März und 23. März 2012.

2011

Klein, A.; Zapilko, M.; Menrad, K. (2011): Personal values of different user segments of ethical food products. Poster auf der 51. GeWiSoLa-Jahrestagung, 28.-30.09.2011 in Halle.

Menrad, K.; Gabriel, A. (2011): Case studies of supply chain analysis and segregation costs in the EU. Vortrag auf JRC International Workshop "Socio-economic impacts of GM crops" vom 23.-24.11.2011 in Sevilla (Spanien).

Gabriel, A.; Menrad, K. (2011): The cost of GM and non-GM co-existence in complex food systems - Demonstrated for the cases of German supply chains of chocolate and frozen pizza. Vortrag auf GMCC-Konferenz 2011, 27.-28.10.2011 in Vancouver (Kanada).

Stiehler, W.; Decker, T.; Menrad, K. (2011): Akzeptanz von Erneuerbaren Energien und Nachwachsenden Rohstoffen - "Winning hearts and minds". Vortrag beim 1. Wissenschaftstag des Beruflichen TUM-Schulclusters Straubing, 22. Oktober 2011, Straubing.

Stiehler, W.; Decker, T.; Menrad, K. (2011): Empirische Untersuchungen zur Akzeptanz von Biomasseprojekten. Vortrag beim C.A.R.M.E.N.-Fachgespräch "Gesellschaftliche Akzeptanz von EE-Anlagen", 18. Oktober 2011 in Eichstätt.

Menrad, K.; Gabriel, A.; Klein, A.; Engelhard, K. (2011): Zahlungsbereitschaft von Kunden im gärtnerischen Einzelhandel für Pflanzentöpfe aus nachwachsenden bzw. recycelten Rohstoffen. Vortrag auf 51. Tagung der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaues e.V.; 28.-30.09.2011 in Halle/Saale.

Decker, T.; Henk, L.; Menrad, K. (2011): Potenziale alternativer Verwertungsmöglichkeiten von Biogas aus Verbrauchersicht - Gewerbliche Verbraucher von Biomethan. Poster beim Agrarwissenschaftlichen Symposium des Hans-Eisenmann-Zentrums am 28.09.2011 in Weihenstephan/Freising.