Abstract − Analytical Sciences, 19(11), 1509 (2003).
Enantiomer Separation of Miconazole by Capillary Electrophoresis with Dual Cyclodextrin Systems
Xiuli LIN, Wanguo HOU, and Chenfu ZHU
Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, P. R. China
A cyclodextrin-modified micellar capillary electrophoretic method (MECC) was developed using mixtures of β-cyclodextrins ( β-CD) and mono-3-O-phenylcarbamoyl- β-CD as chiral additives for the chiral separation of miconazole with the dual CDs systems. The enantiomers were resolved using a running buffer of 50 mmol/L borate pH 9.5 containing 15 mmol/L β-CD and 15 mmol/L mono-3-O-phenylcarbamoyl- β-CD containing 50 mmol/L sodium dodecyl sulfate and 1 mol/L urea. A study of the respective influence of the β-CD and the mono-3-O-phenylcarbamoyl- β-CD concentration was performed to determine the optimal conditions with respect to the resolution. Good repeatability of the method was obtained.
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