Gas chromatography-mass spectrometry Analyses were performed using a HP 6890 quadrupole mass spectrometer coupled to a HP 5973 gas chromatograph. A J&W Scientific ltra I (OV-1) column was employed; length 17 m, i.d. 0.2 mm, film thickness 0.11 µm, helium carrier gas at a head pressure of 12 psi.
Detection of Dehydroepiandrosterone Misuse by Means of Gas Chromatography-Combustion-Isotope Ratio Mass Spectrometry Ute Mareck , Hans Geyer , Ulrich Flenker , Thomas Piper , Mario Thevis , and Wilhelm Schänzer
Request PDF on ResearchGate | Detection of dehydroepiandrosterone misuse by means of gas chromatography-combustion-isotope ratio mass spectrometry | According to World Anti-Doping Agency (WADA) rules (WADA Technical Document-TD2004EAAS) urine samples containing dehydroepiandrosterone (DHEA) concentrations greater than 100 …
Detection of dehydroepiandrosterone misuse by means of gas chromatography-combustion-isotope ratio mass spectrometry.
Analysis of Exogenous Dehydroepiandrosterone Excretion in Urine by Gas Chromatography/Combustion/Isotope Ratio Mass Spectrometry
Two chromatographic methods, reversed-phase liquid chromatography (LC) and immunoaffinity chromatography (IAC), were compared in the preparation of purified testosterone extracts suitable for gas chromatography-combustion/isotope ratio mass spectrometry (GC-C-IRMS) analysis.
4 Hiroyuki Haraguchi, Keita Yamada, Rumiko Miyashita, Kazuhiko Aida, Masao Ohnishi, Alexis Gilbert, Naohiro Yoshida, Determination of Carbon Isotopic Measurement Conditions for Ceramide in Skin using Gas Chromatography-Combustion-Isotope Ratio Mass Spectrometry, Journal of Oleo Science, 2014, 63, 12, 1283CrossRef
GAS CHROMATOGRAPHY–COMBUSTION–ISOTOPE RATIO MASS SPECTROMETRY (GC–C–IRMS) Gas chromatographic-mass spectrometric methods for the detection and identification of anabolic steroid drugs. Detection of dehydroepiandrosterone misuse by means of gas chromatography-combustion-isotope ratio mass spectrometry.
Published in: Journal of Mass Spectrometry · 2008Authors: Adam T Cawley · Adam T Cawley · Ulrich FlenkerAffiliation: University of Sydney · National Measurement Institute · German Sport …About: Gas chromatography–mass spectrometry · Doping · Steroid · Urine