Blar i Brage NMBU på forfatter "Kohler, Achim"
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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) -
Monitoring Protein Structural Changes and Hydration in Bovine Meat Tissue Due to Salt Substitutes by Fourier Transform Infrared (FTIR) Microspectroscopy
Perisic, Nebojsa; Afseth, Nils Kristian; Ofstad, Ragni; Kohler, Achim (Journal article; Peer reviewed, 2011) -
Monitoring Secondary Structural Changes in Salted and Smoked Salmon Muscle Myofiber Proteins by FT-IR Microspectroscopy
Carton, Izaskun; Böcker, Ulrike; Ofstad, Ragni; Sørheim, Oddvin; Kohler, Achim (Journal article; Peer reviewed, 2009)Fourier transform infrared (FT-IR) microspectroscopy and light microscopy were used to study changes in the myofibrillar proteins and microstructure in salmon muscle due to dry salting and smoking. Light microscopy showed ... -
Multiscale vibrational spectroscopy of pollen
Bağcıoğlu, Murat (PhD Thesis;2016:10, Doctoral thesis, 2020-11-19)Pollen has a vital role in the reproduction of flowering plants by producing genetically diverse offspring via pollination. Environmental effects have strong influence on reproductive structures of plants, including on ... -
Multivariate analyses of milk infrared spectra and predictions from it in dairy cattle populations
Belay, Tesfaye Kebede (PhD Thesis;2017:65, Doctoral thesis, 2017)Fourier-transform mid-infrared (FT-MIR) spectra of milk is one of the multivariate information routinely recorded by many milk-recording organizations in the world. Use of such information is becoming central to research ... -
Multivariate Classification Methods for Spectroscopic Data with Multiple Class Structure
Tafintsev, Denis (Master thesis, 2016)The classification of microorganisms is an important task in many fields such as food production, medicine, biotechnology. Fourier transform infrared (FTIR) spectroscopy can provide comprehensive biochemical information ... -
Obesity-Related Metabolome and Gut Microbiota Profiles of Juvenile Göttingen Minipigs—Long-Term Intake of Fructose and Resistant Starch
Curtasu, Mihai; Tafintseva, Valeria; Bendiks, Zachary; Marco, Maria; Kohler, Achim; Xu, Yetong; Nørskov, Natalja P.; Lærke, Helle; Knudsen, Erik B; Hedemann, Mette Skou (Peer reviewed; Journal article, 2020) -
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 ... -
Origin of micro-scale heterogeneity in polymerisation of photo-activated resin composites
Sirovica, Slobodan; Solheim, Johanne Heitmann; Hirschmugl, Carol J.; Kohler, Achim (Peer reviewed; Journal article, 2020) -
Preprocessing strategies for infrared spectral data with limited numbers of spectral channels
Lintvedt, Tiril Aurora (Master thesis, 2019)Joint health is vital for mobility and well being of all people. In an EU project called Miracle, a mid-infrared arthroscopic probe for diagnosis of joint diseases during surgery is being developed. The focus is mid infrared ... -
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 for in-line food quality characterization
Lintvedt, Tiril Aurora (PhD Thesis;2023:5, Doctoral thesis, 2023)A major challenge in the food industry is to effectively handle massive streams of food raw materials and products of different origin and quality. In-line sensor systems for food analysis can potentially measure and ... -
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 ... -
Rapid spectroscopic methods for predicting water-holding capacity in meat
Andersen, Petter Vejle (PhD Thesis;2018:3, Doctoral thesis, 2018)Water-holding capacity (WHC) is one of the most important quality traits in meat, and the main aim of this thesis was to examine the potential for rapid spectroscopic techniques to predict WHC in meat. A secondary aim was ... -
Ray dynamics in array of disks investigating light management in thin-film solar cells
Frafjord, Kristian (Master thesis, 2017)The use of resonant dielectric structures have shown promising signs as a contributor of light trapping. Nanospheres as a dielectric texture on thin-film solar cells have been demonstrated to increase the overall efficiency ... -
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) -
Revealing the potential of lipid and β-carotenoids coproduction in basidiomycetes yeast
Byrtusova, Dana; Shapaval, Volha; Holub, Jiří; Šimanský, Samuel; Rapta, Marek; Szotkowski, Martin; Kohler, Achim; Marova, Ivana (Peer reviewed; Journal article, 2020) -
Revealing the Potential of Lipid and β-Glucans Coproduction in Basidiomycetes Yeast
Byrtusova, Dana; Shapaval, Volha; Holub, Jiri; Simansky, S; Rapta, M; Szotkowski, M; Kohler, Achim; Marova, Ivana (Peer reviewed; Journal article, 2020) -
Scattering and absorption in nano- and microstructured media
Brandsrud, Maren Anna (PhD thesis;2020:51, Doctoral thesis, 2020)When electromagnetic radiation interacts with objects of the same wavelength as the radiation, the objects can act as resonators and strong scattering effects appear. The goal of this PhD project has been to understand ... -
Small leucine-rich proteoglycans in the vertebrae of Atlantic salmon Salmo salar
Pedersen, Mona Elisabeth; Ytteborg, Elisabeth; Kohler, Achim; Bæverfjord, Grete; Enersen, Grethe; Ruyter, Bente; Takle, Harald Rune; Hannesson, Kirsten O. (Journal article; Peer reviewed, 2013)