Veröffentlichungen

2024

• K. Oehlenschläger, M. Volkmar, J. Stiefelmaier, A. Langsdorf, D. Holtmann, N. Tippkötter, R. Ulber; New insights into the influence of pre-culture on robust solvent production of C. acetobutylicum. Appl Microbiol Biotechnol(2024). https://doi.org/10.1007/s00253-023-12981-8

2023

• M. Volkmar, A.-L. Maus, M. Weisbrodt, J. Bohlender, A. Langsdorf, D. Holtmann, R. Ulber; Municipal green waste as substrate for the microbial production of platform chemicals. Bioresour. Bioprocess. (2023), DOI: 10.1186/s40643-023-00663-2
• A. Langsdorf, M. Volkmar, R. Ulber, F. Hollmann, D. Holtmann; Peroxidases from grass clippings for the removal of phenolic compounds from wastewater. Bioresource Technology Reports (2023), https://doi.org/10.1016/j.biteb.2023.101471

2022

• L. Varriale, M. Volkmar, J. Weiermüller, R. Ulber; Effects of Pretreatment on the Biocatalysis of Renewable Resources. Chemie Ingenieur Technik (2022) https://doi.org/10.1002/cite.202200137
• A. Langsdorf, A-L. Drommershausen, M. Volkmar, R. Ulber, D. Holtmann; Fermentative alpha-Humulene Production from Homogenized Grass Clippings as a Growth Medium; Molecules 2022, 27, 868; https://doi.org/10.3390/molecules27248684

2021

• A. Langsdorf, M. Volkmar, D. Holtmann, R. Ulber; Material utilization of green waste – A review on potential valorisation methods; Bioresour. Bioprocess. 8, 19 (2021); DOI: https://doi.org/10.1186/s40643-021-00367-5

Lectures

2024

• M. Volkmar, F. Bartzack, L. M. Blank, R. Ulber; Production of itaconic acid using Ustilago maydis based on renewable feedstocks; Dechema Forum 2024, Friedrichshafen, Germany
• M. Volkmar, A. Langsdorf, D. Holtmann, R. Ulber; The potential of municipal green waste as sustainable feedstock for fermentations; 2^nd Scotland-Rheinland-Pfalz Life Sciences and Biotechnology Conference 2024, online 
• D. Holtmann, M. Volkmar; Process integration and scale-up of a green waste biorefinery considering system robustness – GreenProScale; Innovative solutions for the defossilisation of chemical process industry – a bioeconomy workshop, Achema 2024, Frankfurt, Deutschland 
• M. Volkmar, R. Ulber; Renewable resources for a green and sustainable chemistry; 19ème Congrès Français de Génie des Prodédés; Deauville, Frankreich 
• M. Volkmar; GreenProScale – Prozessintegration und Scale-Up einer Grünschnitt-Bioraffinerie unter Berücksichtigung des Systems; BioBall Jahrestreffen; Frankfurt, Deutschland 

2023

• M. Volkmar, M. Weisbrodt, L. M. Blank, R. Ulber; Municipal green waste as feedstock for the fermentative production of itaconic acid using Ustilago maydis; 14th European Congress of Chemical Engineering and 7th European Congress of Applied Biotechnology (2023), Berlin, Deutschland
• M. Volkmar, M. Weisbrodt, L. M. Blank, R. Ulber; Production of itaconic acid using Ustilago maydis based on municipal green waste; 19th International Conference on Renewable Resources & Biorefineries (2023), Riga, Lettland

2022

• M. Volkmar, M. Weisbrodt, A. Langsdorf, D. Holtmann, R. Ulber; Alternative feedstocks for microbial fermentations based on municipal green waste; (Bio)Process Engineering – a Key to Sustainable Development 2022; Aachen, Deutschland
• M. Volkmar, E. Bentz, A. Langsdorf, D. Holtmann, R. Ulber; Investigation of alternative feedstocks based on municipal green waste for conventional and electro-assisted fermentations; International Conference on Renewable Resources & Biorefineries 2022; Brügge, Belgien

2021

• M. Volkmar, A.-K. Schwartzkopff, M. Weisbrodt, A.-L. Maus, R. Ulber, Press juice of municipal grass clippings as medium for microbial fermentations, Grassification Webinar “Assessing the Potential Use of the Liquid Fraction of Roadside Grass”, Biorefine Cluster Europe (2021), Digital
• M. Volkmar, E. Bentz, A.-K. Schwartzkopff, J. Stiefelmaier, M. Engel, D. Holtmann, R. Ulber, Municipal Green Waste as Feedstock for conventional and electro-assisted Fermentations, 17^th International Conference on Renewable Resources & Biorefineries (2021), Aveiro, Portugal
• M. Volkmar, E. Bentz, A.-K. Schwartzkopff, J. Stiefelmaier, M. Engel, D. Holtmann, R. Ulber, Electro-assisted fermentation of Clostridium acetobutylicum with municipal green waste as feedstock, 13th European Congress of Chemical Engineering and 6th European Congress of Applied Biotechnology (2021), Digital

Poster

2024

• W. Laudensack, M. Volkmar, F. Bartzack, S. Schönrock, E. Fuderer, P. Hahn, D. Holtmann, R. Ulber, Bestimmung der Scale-Up Parameter von Ustilago maydis zur Produktion von Itaconsäure, Jahrestreffen BioBall (2024), Frankfurt am Main, Deutschland
• M. Volkmar, F. Bartzack , L. M. Blank, R. Ulber; Cultivation of Ustilago maydis based on municipal green waste for the fermentative production of itaconic acid; Renewable Resources & Biorefineries 2024, Brüssel, Belgien 

2023

• M. Volkmar, Municipal green waste as feedstock for fermentations; RPTU Verfahrenstechnik Doktorandenseminar (2023), Annweiler, Deutschland

2022

• M. Volkmar, A. Langsdorf, D. Holtmann, R. Harnisch, P. Hahn, R. Ulber, Kommunaler Grünschnitt als Rohstoff für Fermentationen, Jahrestreffen BioBall (2022), Frankfurt am Main, Deutschland
• M. Volkmar, E. Bentz, A. Langsdorf, D. Holtmann, R. Ulber; Analysis of municipal green waste as feedstock for electro-assisted fermentations with Clostridium acetobutylicum; Himmelfahrtstagung on Bioprocess Engineering 2022; Mainz, Deutschland

2021

• M. Volkmar, J. Weiermüller, A. Langsdorf, D. Holtmann, N. Feizy, R. Hommel, R. Ulber, Kommunaler Grünschnitt als Rohstoff für Fermentationen, Jahrestreffen BioBall (2021), Frankfurt am Main, Deutschland
• M. Volkmar, J. Weiermüller, J. Stiefelmaier, A. Akermann, A.-L. Maus, A.-K. Schwartzkopff, W. Ly, R. Ulber; Municipal green waste as feedstock for microbial fermentations; Himmelfahrtstagung on Bioprocess Engineering 2021 - New Bioprocesses, New Products (2021), Digital