Searched for: subject:"Hormone%5C+determination"
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Zwaveling-Soonawala, N. (author), Trotsenburg, A.S. (author), Verkerk, P.H. (author)
Context. In central hypothyroidism (CeH) free thyroxine (FT4) concentrations are low while TSH concentrations may be low, normal or even slightly elevated due to reduced bioactivity. Congenital CeH (CCeH) may be isolated or part of multiple pituitary hormone deficiency (MPHD). Objective. To test our hypotheses that (1) TSH concentrations have a...
article 2018
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Nielen, M.W.F. (author), van Engelen, M.C. (author), Zuiderent, R. (author), Ramaker, R. (author), TNO Kwaliteit van Leven (author)
An emerging trend is recognised in hormone and veterinary drug residue analysis from liquid chromatography tandem mass spectrometry (LC/MS/MS) based screening and confirmation towards accurate mass alternatives such as LC coupled with time-of-flight (TOF), Fourier transform ion cyclotron resonance (FTICR) or Fourier transform orbitrap (FT...
article 2007
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van Nesselrooij, J.H.J. (author), Bruijntjes, J.P. (author), Garderen van-Hoetmer, A. (author), Tillapaugh-Fay, G.M. (author), Feron, V.J. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
Estrogen-induced pituitary lesions in rats were studied in time-sequence experiments using magnetic resonance imaging (MRI), hormone determinations and light microscopy. The main purpose of the study was to evaluate the usefulness of MRI in comparison with conventional biochemical and histopathological methods for detecting the pituitary lesions...
article 1991