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- W2371855257 abstract "Objective: To investigate the factors infleuncing the separation of terbutaline enantiomers by capillary zone electrophoresis(CZE) using β cyclodextrin derivatives as chiral additives.Methods: Analyses were carried out on an Agilent 3D CE capillary electrophoresis system equipped with a diode array detector.An untreated fused silica capillary (58.5 cm×50 μm,50 cm effective length) was used.The voltage was 20 kV and the temperature was 20℃.The detective wavelength was set at 204 nm.Samples were injected into the capillary by 5 kPa pressure for 3 s.Results: Baseline separation of terbutaline was achieved when using 2,3,6 trimethyl β cyclodextrin(TM β CD) as chiral additive but not when using carbomethyl β cyclodextrin(CM β CD).When using TM β CD,the separation rate increased with the decrease of pH with obvious changes within 2.5 4.0. There was no obvious changes of separation rate when using CM β CD,and when pH5.5 the separation was not achieved.The compound of cyclodextrin and terbutaline increased with the increase of cyclodextrin when the volume rate of cyclodextrin was 0.4% 1.6%,making terbutaline easier for separation.Conclusion:The types of β CD,the concentration and pH of buffer are the major factors influencing the separation of terbutaline and it can be completely separated." @default.
- W2371855257 created "2016-06-24" @default.
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- W2371855257 date "2003-01-01" @default.
- W2371855257 modified "2023-09-26" @default.
- W2371855257 title "Separation of terbutaline enantiomers by capillary zone electrophoresis" @default.
- W2371855257 hasPublicationYear "2003" @default.
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