Application of In-Line Liquid Chromatography-Accurate Radioisotope Counting-Mass Spectrometry (LC-ARC-MS) to Evaluate Metabolic Profile of [3H]-Mefenamic Acid in Rat Plasma
Profiling of rat plasma using a highly sensitive LC-ARC-MS technique showed that [3H] mefenamic acid was metabolized to several products, including a sulfate conjugate and a hydroxylated analogue as major metabolites. This technique of detecting low levels of radioactivity in plasma was superior to previously used methods, such as β-RAM detectors.
Keywords: Mefenamic acid metabolism, sulfate, glucuronide, LC-ARC-MS, plasma
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