期刊
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
卷 53, 期 3, 页码 740-744出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpba.2010.04.033
关键词
Metformin; Plasma; LDTD; Bioanalysis
A simple, rapid and robust high-throughput assay for the quantitative analysis of metformin in plasma from different species using laser diode thermal desorption interfaced with atmospheric chemical pressure ionization tandem mass spectrometry (LDTD-APCI-MSMS) was developed for use in a pharmaceutical discovery environment. In order to minimize sample preparation a generic protein precipitation method was used to extract metformin from the plasma Laser diode thermal desorption is a relatively new sample introduction method, the optimization of the instrumental parameters are presented The method was successfully applied to spiked mouse, rat, dog and human plasma samples and was subsequently used to determine the oral pharmacokinetics of metformin after dosing to male rats in order to support drug discovery projects The deviations for ultra-assay accuracy and precision across the four species were less than 30% at all calibration and quality control levels. (C) 2010 Elsevier B V All rights reserved.
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