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|dc.description.abstract||Acetaminophen (APAP) is a widely used analgesic and antipyretic drug. It is mainly metabolized by phase 1 and 2 reactions in the liver, and thus it could be involved in many drug-drug interactions. Therefore, the study of APAP metabolism is important in toxicological and pharmacokinetic studies. The objective of this study was to develop a rapid and sensitive method for the determination of APAP and its six metabolites in rat plasma for the pharmacokinetic studies. APAP and its metabolites were separated through a Capcell Pak MGII C18 column and quantitated with a 16 min run in a triple-quadruple mass spectrometer. The mobile phases were composed of 0.1% formic acid in either 95% water or 95% acetonitrile and analysis was performed twice in positive and negative modes. Validations such as accuracy, precision, recovery, matrix effect and stability were found to be within acceptance criteria of validation guidelines, indicating that the assay was applicable to the determination of the plasma concentrations of drug and its six metabolites. In conclusion, we developed an LC-MS/MS method for the quantitative analysis of APAP and its six metabolites in rat plasma, and this method appears to be useful for pharmacokinetic/toxicokinetic studies of APAP and its metabolites in rats. © 2012 John Wiley &amp; Sons, Ltd.||-|
|dc.title||Quantitative analysis of acetaminophen and its six metabolites in rat plasma using liquid chromatography/tandem mass spectrometry||-|
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