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An enantioselective assay for the determination of methadone and its main metabolite 2‐ethylidene‐1,5‐dimethyl‐3,3‐diphenylpyrrolidine in equine plasma based on capillary electrophoresis with highly sulfated γ‐cyclodextrin as chiral selector and electrokinetic analyte injection is described. The assay is based on liquid/liquid extraction of the analytes at alkaline pH from 0.1 mL plasma followed by...
Separation of the enantiomers of chlorpheniramine and methadone in acidic buffers containing carboxymethyl-β-cyclodextrin (CMCD) as chiral selector was investigated by capillary zone electrophoresis. For a range of pH and CMCD concentrations, the mobility difference and resolution of the enantiomers were determined. Then, conditions known to provide well resolved enantiomers and optimized chiral separation...
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