ArticleConservation physiology2026
A sensitive liquid chromatography-tandem mass spectrometry analytical method of steroid hormones in small blubber samples from four whale species.
Article in Conservation physiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Steroid hormones can give an indication of stress, physiological health and reproductive status in whales; however, analysis is often limited by sample mass. We developed a sensitive analytical method using solid phase extraction-liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) for the identification and quantification of eight steroid hormones (cortisol, cortisone, testosterone, androstenedione, progesterone, 11-deoxycortisol, 11-deoxycorticosterone and 17-hydroxyprogesterone) in small amounts of whale blubber (≤50 mg). Blubber biopsies were collected from stranded killer whales (
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