Determination of the Origin of 19-Norandrosterone in Urine by Gas Chromatography–Isotope-Ratio Mass Spectrometry for Doping Control
- Autores: Podolskiy I.1, Sobolevskii T.2, Dikunets M.1
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Afiliações:
- Antidoping Centre
- UCLA Olympic Analytical Laboratory
- Edição: Volume 73, Nº 3 (2018)
- Páginas: 283-291
- Seção: Articles
- URL: https://journals.rcsi.science/1061-9348/article/view/182990
- DOI: https://doi.org/10.1134/S1061934818010082
- ID: 182990
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Resumo
The most difficult task in antidoping control is the identification of compounds whose origin can be either endogenous or exogenous. This paper presents a procedure for determining the origin of 19-norandrosterone based on the extraction of target components from urine, their multistage purification by semipreparative HPLC, acetylation, and quantification by gas chromatography–isotope-ratio mass spectrometry and gas chromatography–mass spectrometry. Effects of isotope fractionation were not observed in sample preparation. The degree of extraction of the target analytes was 80 ± 5%.
Sobre autores
I. Podolskiy
Antidoping Centre
Autor responsável pela correspondência
Email: podolskiy.i.i@gmail.com
Rússia, Moscow, 105005
T. Sobolevskii
UCLA Olympic Analytical Laboratory
Email: podolskiy.i.i@gmail.com
Estados Unidos da América, Los Angeles, California, CA, 90025
M. Dikunets
Antidoping Centre
Email: podolskiy.i.i@gmail.com
Rússia, Moscow, 105005