Browsing UiS Brage by Author "Knudsen, David Lausten"
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Monitoring farmed fish welfare by measurement of cortisol as a stress marker in fish feces by liquid chromatography coupled with tandem mass spectrometry
Meling, Vanessa Andrea; Berge, Kjetil; Knudsen, David Lausten; Rønning, Per Ola; Brede, Cato (Peer reviewed; Journal article, 2022-04)The aquaculture industry has become a sustainable source of food for humans. Remaining challenges include disease issues and ethical concerns for the discomfort and stress of farmed fish. There is a need for reliable ... -
Salting-Out Assisted Liquid-Liquid Extraction for UPLC-MS/MS Determination of Thyroxine and Steroid Hormones in Human Serum and Fish Plasma
Urge, Alemnesh Yirda; Pampanin, Daniela Maria; Martino, Maria Elena; Knudsen, David Lausten; Brede, Cato (Peer reviewed; Journal article, 2023)Measuring the level of steroid and thyroxine hormones is key to understanding organism health conditions. Liquid chromatography coupled with tandem mass spectrometry has become the method of choice for such hormone analyses ...