期刊
JOURNAL OF MASS SPECTROMETRY
卷 43, 期 7, 页码 980-992出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/jms.1436
关键词
UPLC; tandem mass spectrometry; diuretics; stimulants; doping; Urine; direct injection
A simple and rapid multicomponent screening method of 130 substances for direct injections of urine samples has been developed. The fully automated method based on ultra-performance liquid chromatography (UPLC) and tandem mass spectrometry (MS/MS) is used for three different classes of doping agents: diuretics, central nervous system stimulants (CNS stimulants) and opiates. The samples are diluted with buffer containing internal standards (IS) by a pipetting robot system into 96-well plates. Samples are injected on a reversed phase sub 2-mu m particle column connected to a fast polarity switching and rapid scanning tandem mass spectrometer with an electrospray interface. The software used to evaluate the results produced reports containing a small-sized window for each component and a data table list with flags to indicate any adverse analytical findings in the sample. The report can also be processed automatically using an application software, which interpret the data and indicate if there is a suspicious sample. One 96-well plate can be analyzed within 16 h. Copyright (c) 2008 John Wiley & Sons, Ltd.
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