Effect of organized media on the chromatographic and electrophoretic determination of pharmaceutical preparations in biological samples

被引：0
作者：
L. A. Kartsova
E. G. Strel’nikova
机构：
[1] St. Petersburg State University,Department of Chemistry
[2] GOU DPO St. Petersburg MAPO Roszdrava,undefined
来源：
Journal of Analytical Chemistry | 2009年 / 64卷
关键词：
Capillary Zone Electrophoresis; Critical Micelle Concen; STREL; Micellar Electrokinetic Chromatography; Cortisone Acetate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Procedures were developed for the simultaneous determination of endogenous and exogenous steroids in biological fluids by reversed-phase high-performance liquid chromatography (RP HPLC), capillary zone electrophoresis, and micellar electrokinetic chromatography (MEKC) using components of organized media (micelles of sodium dodecyl sulfate, β-cyclodextrin, sulfo-β-cyclodextrin, and carbamide). The detection limits were 50 and 500 ng/mL without preconcentration and 3–5 and 5–10 ng/mL with preconcentration for RP HPLC and MEKC, respectively. The time of separation was 30 and 10 min, and the total time of analysis (including preconcentration and the conditioning of a column or a capillary) was 80 and 90 min for RP HPLC and MEKC, respectively.
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页码：156 / 163
页数：7
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