Browsing NOFIMA vitenarkiv by Author "Afseth, Nils Kristian"
Now showing items 21-40 of 64
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FT-IR spectra of the anti-HIV nucleoside analogue d4T (Stavudine). Solid state simulation by DFT methods and scaling by different procedures
Palafox, Mauricio Alcolea; Kattan, Danny; Afseth, Nils Kristian (Journal article; Peer reviewed, 2018)A theoretical and experimental vibrational study of the anti-HIV d4T (stavudine or Zerit) nucleoside analogue was carried out. The predicted spectra in the three most stable conformers in the biological active anti-form ... -
FTIR-based hierarchical modeling for prediction of average molecular weights of protein hydrolysates
Kristoffersen, Kenneth Aase; Liland, Kristian Hovde; Böcker, Ulrike; Wubshet, Sileshi Gizachhew; Lindberg, Diana; Horn, Svein Jarle; Afseth, Nils Kristian (Peer reviewed; Journal article, 2019)In the presented study, Fourier-transform infrared (FTIR) spectroscopy is used to predict the average molecular weight of protein hydrolysates produced from protein-rich by-products from food industry using commercial ... -
FTIR-based prediction of collagen content in hydrolyzed protein samples
Kristoffersen, Kenneth Aase; Måge, Ingrid; Wubshet, Sileshi Gizachew; Böcker, Ulrike; Riiser Dankel, Katinka; Lislelid, Andreas; Rønningen, Mats Aksnes; Afseth, Nils Kristian (Peer reviewed; Journal article, 2023) -
Fundamental definitions and confusions in mass spectrometry about mass assignment, centroiding and resolution
Urban, Jan; Afseth, Nils Kristian; Štys, Dalibor (Peer reviewed; Journal article, 2014) -
Genetic parameters of slaughter quality traits measured on whole or live Atlantic salmon (CompleteSCAN)
Kettunen, Anne Helena; Mørkøre, Turid; Afseth, Nils Kristian; Nielsen, Dennis Brandborg; Mørch, Troels Thorsen; Khaw, Hooi Ling; Moghadam, Hooman; Hillestad, Borghild (Nofima rapportserie, Research report, 2020) -
Glucoregulatory Properties of a Protein Hydrolysate from Atlantic Salmon (Salmo salar): Preliminary Characterization and Evaluation of DPP-IV Inhibition and Direct Glucose Uptake In Vitro
Bjerknes, Christian; Wubshet, Sileshi Gizachew; Rønning, Sissel Beate; Afseth, Nils Kristian; Crawford, Currie; Framroze, Bomi; Hermansen, Erland (Peer reviewed; Journal article, 2024)Metabolic disorders are increasingly prevalent conditions that manifest pathophysiologically along a continuum. Among reported metabolic risk factors, elevated fasting serum glucose (FSG) levels have shown the most substantial ... -
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 (Peer reviewed; Journal article, 2018) -
Immobilized protease on magnetic particles for enzymatic protein hydrolysis of poultry by-products
Glomm, Wilhelm; Wubshet, Sileshi Gizachew; Lindberg, Diana; Dankel, Katinka R.; Afseth, Nils Kristian; Stenstad, Per Martin; Johnsen, Heidi (Peer reviewed; Journal article, 2021)Immobilization of enzymes onto magnetic particles can potentially allow for enzyme reuse, which can significantly reduce the cost associated with e.g. enzymatic protein hydrolysis (EPH) of fish and meat by-products. Here, ... -
Improved estimation of in vitro protein digestibility of different foods using size exclusion chromatography
Rieder, Anne; Afseth, Nils Kristian; Böcker, Ulrike; Knutsen, Svein Halvor; Kirkhus, Bente; Mæhre, Hanne K; Ballance, Simon; Wubshet, Sileshi Gizachew (Peer reviewed; Journal article, 2021)While the harmonized INFOGEST model provides a physiologically relevant platform for simulated digestion, it needs to be combined with adequate analytical methods to enable quantification and comparison of protein digestibility ... -
In-line Raman spectroscopy for characterization of an industrial poultry raw material stream
Lintvedt, Tiril Aurora; Andersen, Petter Vejle; Afseth, Nils Kristian; Wold, Jens Petter (Peer reviewed; Journal article, 2023) -
Increased release of carotenoids and delayed in vitro lipid digestion of high pressure homogenized tomato and pepper emulsions
Kirkhus, Bente; Afseth, Nils Kristian; Borge, Grethe Iren Andersen; Grimsby, Gard Sveinung; Steppeler, Christina; Krona, Annika; Langton, Maud (Journal article; Peer reviewed, 2019)Carotenoids are lipophilic compounds that are digested and absorbed along with lipids. Emulsions based on a mixture of plum tomato and red sweet pepper, with 5% or 10% rapeseed oil, were obtained by high pressure homogenization, ... -
Low salt products Final report
Aursand, Ida Grong; Greiff, Kirsti; Erikson, Ulf Gøran; Gallart-Jornet, Lorena; Perisic, Nebojsa; Kohler, Achim; Afseth, Nils Kristian; Ofstad, Ragni; Storrø, Ivar; Josefsen, Kjell Domaas (Research report, 2014)Salt (NaCl) is the world's most established food additive, because of its excellent preservative effects, the sensorial properties and the increased food processability. In the European countries, 75-80% of salt we consume ... -
Low-cost, mass-producible nanostructured surface on flexible substrate with ultra-thin gold or silver film for SERS applications
Rosqvist, Emil; Böcker, Ulrike; Sarfraz, Tina Gulin; Afseth, Nils Kristian; Tolvanen, Stiina; Peltonen, Jouko; Sarfraz, Jawad (Journal article, 2022) -
Magnetic ligand fishing using immobilized DPP-IV for identification of antidiabetic ligands in lingonberry extract
Lima, Rita de Cássia Lemos; Böcker, Ulrike; McDougall, Gordon J.; Allwood, J. William; Afseth, Nils Kristian; Wubshet, Sileshi Gizachew (Peer reviewed; Journal article, 2021)Article Authors Metrics Comments Media Coverage Abstract 1. Introduction 2. Materials and methods 3. Results and discussion 4. Conclusion Supporting information References Reader Comments (0) Figures Abstract In this work, ... -
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 (Peer reviewed; Journal article, 2017) -
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 (Peer reviewed; Journal article, 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 ... -
Model-based pre-processing in Raman spectroscopy of biological samples
Liland, Kristian Hovde; Kohler, Achim; Afseth, Nils Kristian (Peer reviewed; Journal article, 2016)Model-based pre-processing has become wide spread in spectroscopy and is the standard procedure in Fourier-transform infrared spectroscopy. It has also been shown to give valuable contributions in Raman spectroscopy. ... -
Model-based pre-processing in Raman spectroscopy of biological samples
Liland, Kristian Hovde; Kohler, Achim; Afseth, Nils Kristian (Peer reviewed; Journal article, 2016)Model-based pre-processing has become wide spread in spectroscopy and is the standard procedure in Fourier-transform infrared spectroscopy. It has also been shown to give valuable contributions in Raman spectroscopy. ... -
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 (Peer reviewed; Journal article, 2011) -
Multi-block regression based on combinations of orthogonalisation, PLS-regression and canonical correlation analysis
Næs, Tormod; Tomic, Oliver; Afseth, Nils Kristian; Segtnan, Vegard; Måge, Ingrid (Peer reviewed; Journal article, 2013)