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  • 1
    ISSN: 0173-0835
    Keywords: Methadone ; 2-Ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidone ; Enantioselectivity ; Capillary electrophoresis ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: A capillary electrophoresis method has been developed for the enantioselective determination of methadone and its main metabolite 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine (EDDP) in serum and urine. After addition of the internal standard diphenhydramine, the serum and urine samples were extracted at pH 9-10 with n-hexane. Different cyclodextrins were tested for use as chiral selectors. The best results for simultaneous separation of methadone and EDDP were obtained using heptakis-(2,6-di-O-methyl)-β-cyclodextrin (DIMEB). Data on the accuracy and precision of the method are presented. The method was applied to serum, urine, and hair samples, from individuals undergoing methadone therapy, under consideration of multi-drug abuse.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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