Application of capillary electrophoresis with pH-mediated sample stacking to analysis of coumarin metabolites in microsomal incubations.


A sensitive method for the analysis of metabolites of coumarin by capillary electrophoresis (CE), incorporating pH-mediated sample stacking, was developed. The analytes were detected in phosphate buffer (pH 7.5; 25 mM), the matrix of the microsomal incubations. Detection was by direct UV absorbance. The three metabolites studied were 7-hydroxycoumarin (7… (More)


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