Blar i Brage NMBU på forfatter "Zimmermann, Boris"
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FTIR spectroscopy as a unified method for simultaneous analysis of intra- and extracellular metabolites in high-throughput screening of microbial bioprocesses
Kosa, Gergely; Shapaval, Volha; Kohler, Achim; Zimmermann, Boris (Journal article; Peer reviewed, 2017) -
FTIR spectroscopy for evaluation and monitoring of lipid extraction efficiency for oleaginous fungi
Forfang, Kristin; Zimmermann, Boris; Kòsa, Gergely; Kohler, Achim; Shapaval, Volha (Journal article; Peer reviewed, 2017)To assess whether Fourier Transform Infrared (FTIR) spectroscopy could be used to evaluate and monitor lipid extraction processes, the extraction methods of Folch, Bligh and Lewis were used. Biomass of the oleaginous fungi ... -
High-throughput screening of Mucoromycota fungi for production of low- and high-value lipids
Kosa, Gergely; Zimmermann, Boris; Kohler, Achim; Ekeberg, Dag; Afseth, Nils Kristian; Mounier, Jerome; Shapaval, Volha (Journal article; Peer reviewed, 2018) -
The influence of phosphorus source and the nature of nitrogen substrate on the biomass production and lipid accumulation in oleaginous Mucoromycota fungi
Dzurendova, Simona; Zimmermann, Boris; Tafintseva, Valeria; Kohler, Achim; Ekeberg, Dag; Shapaval, Volha (Peer reviewed; Journal article, 2020)Oleaginous filamentous fungi grown under the nitrogen limitation, accumulate high amounts of lipids in the form of triacylglycerides (TAGs) with fatty acid profiles similar to plant and fish oils. In this study, we investigate ... -
Infrared spectroscopy of pollen identifies plant species and genus as well as environmental conditions
Zimmermann, Boris; Kohler, Achim (Journal article; Peer reviewed, 2014) -
Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) shows adaptation of grass pollen composition
Diehn, Sabrina; Zimmermann, Boris; Bagcioglu, Murat; Seifert, Stephan; Kohler, Achim; Ohlson, Mikael; Fjellheim, Siri; Weidner, Steffen; Kneipp, Janina (Journal article; Peer reviewed, 2018)MALDI time-of-flight mass spectrometry (MALDI-TOF MS) has become a widely used tool for the classification of biological samples. The complex chemical composition of pollen grains leads to highly specific, fingerprint-like ... -
Metal and Phosphate Ions Show Remarkable Influence on the Biomass Production and Lipid Accumulation in Oleaginous Mucor circinelloides
Dzurendova, Simona; Zimmermann, Boris; Tafintseva, Valeria; Kohler, Achim; Horn, Svein Jarle; Shapaval, Volha (Peer reviewed; Journal article, 2020) -
Microcultivation and FTIR spectroscopy-based screening revealed a nutrient-induced co-production of high-value metabolites in oleaginous Mucoromycota fungi
Dzurendova, Simona; Zimmermann, Boris; Kohler, Achim; Tafintseva, Valeria; Slany, Ondrej; Certik, Milan; Shapaval, Volha (Peer reviewed; Journal article, 2020) -
Microtiter plate cultivation of oleaginous fungi and monitoring of lipogenesis by high-throughput FTIR spectroscopy
Kosa, Gergely; Kohler, Achim; Tafintseva, Valeria; Zimmermann, Boris; Forfang, Kristin; Afseth, Nils Kristian; Tzimorotas, Dimitrios; Vuoristo, Kiira; Horn, Svein Jarle; Mounier, Jerome; Shapaval, Volha (Journal article; Peer reviewed, 2017)Background Oleaginous fungi can accumulate lipids by utilizing a wide range of waste substrates. They are an important source for the industrial production of omega-6 polyunsaturated fatty acids (gamma-linolenic and ... -
Microtiter plate cultivation of oleaginous fungi and monitoring of lipogenesis by high-throughput FTIR spectroscopy
Kòsa, Gergely; Kohler, Achim; Tafintseva, Valeria; Zimmermann, Boris; Forfang, Kristin; Afseth, Nils Kristian; Tzimorotas, Dimitrios; Vuoristo, Kiira; Horn, Svein Jarle; Jerome, Mounier; Shapaval, Volha (Journal article; Peer reviewed, 2017) -
Monitoring of plant–environment interactions by high-throughput FTIR spectroscopy of pollen
Bagcioglu, Murat; Kohler, Achim; Seifert, Stephan; Kneipp, Janina; Zimmermann, Boris (Journal article; Peer reviewed, 2017) -
Optimizing Savitzky-Golay Parameters for Improving Spectral Resolution and Quantification in Infrared Spectroscopy
Zimmermann, Boris; Kohler, Achim (Journal article; Peer reviewed, 2013)Calculating derivatives of spectral data by the Savitzky–Golay (SG)numerical algorithm is often used as a preliminary preprocessing step to resolve overlapping signals, enhance signal properties, and suppress unwanted ... -
Preprocessing Strategies for Sparse Infrared Spectroscopy: A Case Study on Cartilage Diagnostics
Tafintseva, Valeria; Lintvedt, Tiril Aurora; Solheim, Johanne Heitmann; Zimmermann, Boris; Rehman, Hafeez Ur; Virtanen, Vesa; Shaikh, Rubina; Nippolainen, Ervin; Afara, Isaac; Saarakkala, Simo; Rieppo, Lassi; Krebs, Patrick; Fomina, Polina; Mizaikoff, Boris; Kohler, Achim (Peer reviewed; Journal article, 2022)The aim of the study was to optimize preprocessing of sparse infrared spectral data. The sparse data were obtained by reducing broadband Fourier transform infrared attenuated total reflectance spectra of bovine and human ... -
Raman spectroscopy online monitoring of biomass production, intracellular metabolites and carbon substrates during submerged fermentation of oleaginous and carotenogenic microorganisms
Dzurendová, Simona; Olsen, Pernille Margrethe; Byrtusova, Dana; Tafintseva, Valeria; Shapaval, Volha; Horn, Svein Jarle; Kohler, Achim; Szotkowski, Martin; Marova, Ivana; Zimmermann, Boris (Peer reviewed; Journal article, 2023)Background Monitoring and control of both growth media and microbial biomass is extremely important for the development of economical bioprocesses. Unfortunately, process monitoring is still dependent on a limited number ... -
Recovery of absorbance spectra of micrometer-sized biological and inanimate particles
Lukacs, Rozalia; Blümel, Reinhold; Zimmermann, Boris; Bagcioglu, Murat; Kohler, Achim (Journal article; Peer reviewed, 2015) -
Sustainable fungal biorefineries : optimizing production of valuable metabolites in oleaginous Mucoromycota
Dzurendova, Simona (PhD Thesis;2021:25, Doctoral thesis, 2021)Fungal biorefineries are important players in the emerging global bioeconomy and contribute to the transition from the traditional fossil-based production to a renewable, sustainable and environment-friendly bio-production. ... -
Vibrational microspectroscopy enables chemical characterization of single pollen grains as well as comparative analysis of plant species based on pollen ultrastructure
Zimmermann, Boris; Bagcioglu, Murat; Sandt, Christophe; Kohler, Achim (Journal article; Peer reviewed, 2015)Main conclusion Chemical imaging of pollen by vibrational microspectroscopy enables characterization of pollen ultrastructure, in particular phenylpropanoid components in grain wall for comparative study of extant and ...