Analysis of the antidiabetic drug acarbose by capillary electrophoresis |
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Authors: | I Rethfeld G Blaschke |
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Affiliation: | Institute of Pharmaceutical Chemistry, University of Münster, Germany. |
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Abstract: | This study describes the derivatization of the pseudooligosaccharide acarbose and its main metabolite, component 2, with 7-aminonaphthalene-1,3-disulfonic acid (ANDS) in human urine. Their efficient separation was possible by means of capillary zone electrophoresis, using a capillary tube of fused-silica containing 100 mM triethylammonium phosphate buffer, pH 1.5. On column laser-induced fluorescence allowed the detection of the pseudooligosaccharides in human urine in the nanomolar range. With this method, acarbose and component 2 were quantified in human urine after application of 300 mg of acarbose. |
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