2024

• L. Varriale, D. Geib, R. Ulber; Short-term adaptation as a tool to improve bioethanol production using grass press-juice as fermentation medium; Applied Microbiology and Biotechnology (2024) accepted paper

2022

• L. Geuer, N. Erdmann, M. Lorenz, H. Albrecht, T. Schanne, M. Cwienczek, D. Geib, D. Strieth*, R. Ulber; Colourful diversity – Modified methods for extraction and quantification of photopigments and phycobiliproteins isolated from phototrophic micro- and macroalgae; The Journal for Chemical Education (2022), im Druck

2020

• D. Strieth, S. Di Nonno, J. Stiefelmaier, J. Kollmen, D. Geib, R. Ulber, Co-cultivation of diazotrophic terrestrial cyanobacteria and Arabidopsis thaliana, 2020, Engineering and Life Sceinces, DOI: 10.1002/elsc.202000068

2021

• D. Strieth, S. Di Nonno, J. Stiefelmaier, J. Kollmen, D. Geib, R. Ulber, Inside Back Cover Engineering and Life Sciences: Co-Cultivation of diazotrophic terrestrial cyanobacteria and Arabidopsis thaliana. 02/2021 doi.org/10.1002/elsc.202170025

2018

• J. Stiefelmaier, B. Ledermann, M. Sorg, A. Banek, D. Geib, R. Ulber and N. Frankenberg-Dinkel (2018). Pink bacteria-Production of the pink chromophore phycoerythrobilin with Escherichia coli. Journal of Biotechnology 274 (2018) doi: 10.1016/j.jbiotec.2018.03.006

2014

• B. Ludwig, D. Geib, C. Haas, J. Steingroewer, T. Bley, K. Muffler and R. Ulber (2014). Whole-cell biotransformation of oleanolic acid by free and immobilized cells of Nocardia iowensis: Characterization of new metabolites. Engineering in Life Sciences 14 (2014) doi: 10.1002/elsc.201400121
• S. Kümmritz, C. Haas, A. I. Pavlov, D. Geib, R. Ulber, Thomas Bley and Juliane Steingroewer (2014).Determination of Triterpenic Acids and Screening for Valuable Secondary Metabolites in Salvia sp. Suspension Cultures. Natural Product Communications 9 (2014) 17 - 20

From here on as Doris Leipold:

2012

• Ludwig, B., Muffler, K., Leipold, D., Neuhaus, E., Bley, T. and Ulber, R. (2012), Immobilisierung von Nocardia iowensis zur Biotransformation von bioaktiven Triterpenen. Chemie Ingenieur Technik, 84: 1219. doi: 10.1002/cite.201250477
• A. Duwe, N. Tippkötter, D. Leipold, S. Riemer, H. Zorn and R. Ulber (2012), Holzhydrolyse als Feststoffreaktion: Charakterisierung von Inhibitoren und Erhöhung der Ausbeute durch den Einsatz lignolytischer Enzyme. Chemie Ingenieur Technik, 84: 1307. doi: 10.1002/cite.201250298
• K. Muffler, D. Leipold, M.-C. Scheller, C. Haas, J. Steingroewer, T. Bley, H. E. Neuhaus, M. A. Mirata, J. Schrader, R. Ulber, Biotransformation of triterpenes. Process Biochemistry 46 (2011) 1-15

2010

• Scheller, M.-C., Muffler, K., Wünsch, G., Leipold, D., Neuhaus, E. and Möhlmann, T. (2010), Gewinnung von Triterpenen aus Pflanzenzellkulturen. Chemie Ingenieur Technik, 82: 1561-1562. doi: 10.1002/cite.201050103
• D. Leipold, G. Wünsch, M. Schmidt, H.-J. Bart, H. Bergmann, E. Richling, K. Muffler, R. Ulber, Biosynthesis of ursolic acid derivatives by microbial metabolism of ursolic acid with Nocardia sp. strains - proposal of new biosynthetic pathways. Process Biochemistry 45 (2010) 1043-1051

2009

• Leipold, D., Wünsch, G., Schmidt, M., Muffler, K., Bart, H.-J. and Ulber, R. (2009), Stoffwechselvorgä;nge von Nocardia sp. - Biotransformation von Triterpenen. Chemie Ingenieur Technik, 81: 1317. doi: 10.1002/cite.200950466