Cyclodextrin-modified CZE was applied to the chiral separation of two basic drugs, i.e., esmolol and terazosin. Selector screening and concentration optimization experiments were performed. Resolution 3.1 for esmolol,...Cyclodextrin-modified CZE was applied to the chiral separation of two basic drugs, i.e., esmolol and terazosin. Selector screening and concentration optimization experiments were performed. Resolution 3.1 for esmolol, 1.2 for terazosin were achieved when using 60 mmol/L gamma-CD and 60 mmoL/L DM-P-CD, respectively, in 50 mmol/L pH 2.5 sodium phosphate buffer.展开更多
Sulfobutylether-β-cyclodextrin(SBE-β-CD)was used as a chiral selector tor separatingten chlral drugs with resolution 1.2 by capillary zone electrophoresls(CZE), The backgroundelectrolylc solution compris...Sulfobutylether-β-cyclodextrin(SBE-β-CD)was used as a chiral selector tor separatingten chlral drugs with resolution 1.2 by capillary zone electrophoresls(CZE), The backgroundelectrolylc solution comprised of 120 mmol/L Britton-Robinson buffer(BRB) containing1 ~10mmol/L SBE-β-CD with the pH value adjusted from 5.0-6.8. Five of the drugs were better resolvedthan those previously reported with neutral CDs.展开更多
In recent years capillary zone electrophoresis (CZE) has become a powerful technique to separate a variety of complex mixtures.Because CZE possesses the advantages of high efficiency, easily operating for separation o...In recent years capillary zone electrophoresis (CZE) has become a powerful technique to separate a variety of complex mixtures.Because CZE possesses the advantages of high efficiency, easily operating for separation of biological molecules, it is a more powerful separating tool and cannot be replaced by HPLC, GC or SFC.展开更多
文摘Cyclodextrin-modified CZE was applied to the chiral separation of two basic drugs, i.e., esmolol and terazosin. Selector screening and concentration optimization experiments were performed. Resolution 3.1 for esmolol, 1.2 for terazosin were achieved when using 60 mmol/L gamma-CD and 60 mmoL/L DM-P-CD, respectively, in 50 mmol/L pH 2.5 sodium phosphate buffer.
文摘Sulfobutylether-β-cyclodextrin(SBE-β-CD)was used as a chiral selector tor separatingten chlral drugs with resolution 1.2 by capillary zone electrophoresls(CZE), The backgroundelectrolylc solution comprised of 120 mmol/L Britton-Robinson buffer(BRB) containing1 ~10mmol/L SBE-β-CD with the pH value adjusted from 5.0-6.8. Five of the drugs were better resolvedthan those previously reported with neutral CDs.
基金Project supported by the National Natural Science Foundation of China.
文摘In recent years capillary zone electrophoresis (CZE) has become a powerful technique to separate a variety of complex mixtures.Because CZE possesses the advantages of high efficiency, easily operating for separation of biological molecules, it is a more powerful separating tool and cannot be replaced by HPLC, GC or SFC.