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Publication details
On-line drug metabolites generation and their subsequent target analysis by capillary zone electrophoresis with UV-absorption detection
Authors | |
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Year of publication | 2010 |
Type | Article in Periodical |
Magazine / Source | Electrophoresis |
MU Faculty or unit | |
Citation | |
Field | Biochemistry |
Keywords | CE; Cytochrome P450; Dextromethorphan; Metabolism; |
Description | This study presents the in-capillary enzymatic biotransformation of dextromethorphan, an antitusive drug and opioid receptors antagonist, and subsequent electrophoretic separation of its products. The study includes the optimization of separation parameters to fulfill the requirements of an online microreaction. The analyses were performed in a bare fused-silica capillary using 100mM sodium tetraborate (pH 10.0) mixed with linear polyacrylamide (20%, v/v) and 2-propanol (10%, v/v). This BGE was suitable for monitoring both off-line and in-capillary incubations. The partial filling technique enabled the enzymatic reaction to be carried out in its optimal environment (20mM sodium phosphate, pH 7.4). Finally, in-capillary microreaction in the presence of cytochrome P450 3A4 gave satisfactory outcomes. |
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