✦ LIBER ✦

Cortisol production rate measurement by stable isotope dilution using gas chromatography-negative ion chemical ionization mass spectrometry1

✍ Scribed by David D. Brandon; Lorne M. Isabelle; Mary H. Samuels; John W. Kendall; D.Lynn Loriaux

Book ID: 117214071
Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 142 KB
Volume: 64
Category: Article
ISSN: 0039-128X
DOI: 10.1016/s0039-128x(98)00112-3

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Negative ion chemical ionization for the

Negative ion chemical ionization for the determination of methylphenidate in human plasma by stable isotope dilution gas chromatography/mass spectrometry

✍ Hans Jörg Leis; Günter Fauler; Günther Raspotnig; Werner Windischhofer 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 760 KB

The quantification of synthetic corticos

The quantification of synthetic corticosteroids using isotope dilution gas chromatography negative chemical ionization mass spectrometry

✍ J. M. Midgley; D. G. Watson; T. Healey; M. Noble 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 477 KB 👁 2 views

Stable isotope dilution negative ion che

Stable isotope dilution negative ion chemical ionization gas chromatography–mass spectrometry for the quantitative analysis of paroxetine in human plasma

✍ Hans Jörg Leis; Werner Windischhofer; Günther Raspotnig; Günter Fauler 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 141 KB

## Abstract A sensitive and specific method for the quantitative determination of paroxetine in human plasma is presented. After solvent extraction from plasma with hexane/ethyl acetate (1 : 1) at alkaline pH and derivatization to the pentafluorobenzyl carbamate derivative, paroxetine was measured

Determination of N-nitrosodimethylamine

Determination of N-nitrosodimethylamine in beer by gas chromatography-stable isotope dilution chemical ionization mass spectrometry

✍ Marco Longo; Claudia Lionetti; Aldo Cavalloro 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 325 KB

Determination of Cortisol in Human Plasm

Determination of Cortisol in Human Plasma by Gas Chromatography/Negative Ion Chemical Ionization/ Mass Spectrometry

✍ F.F. Hsu; L.H. Wang; D.M. Bier 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 296 KB

We report an isotope dilution mass spectrometry method using capillary gas chromatography negative ion chemical ionization for the determination of cortisol in human plasma. Cortisol was derivatized with pentafluoropropionic anhydride at room temperature and measured by selected ion monitoring of th

Quantitative Lipoxygenase Product Profil

Quantitative Lipoxygenase Product Profiling by Gas Chromatography Negative-Ion Chemical Ionization Mass Spectrometry

✍ W.D. Lehmann; K. Metzger; M. Stephan; U. Wittig; I. Zalan; A.J.R. Habenicht; G. 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 645 KB

An assay for the quantitative determination of the hydroxylation profile of long-chain fatty acids is deseribed for gas chromatography negative-ion chemical ionization mass spectrometry and stable isotope dilution using [carboxyl- \({ }^{18} \mathrm{O}_{2}\) ]-labeled internal standards. The assay h