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chloramphenicol precursor
相关语句
  氯霉素前体
     Enantioseparation of Chloramphenicol Precursor by Capillary Electrophoresis
     高效毛细管电泳拆分氯霉素前体
短句来源
  相似匹配句对
     Enantioseparation of Chloramphenicol Precursor by Capillary Electrophoresis
     高效毛细管电泳拆分氯霉素前体
短句来源
     Chiral Resolution of Precursor of Chloramphenicol and Thiamphenicol by High Performance Capillary Electrophoresis
     氯霉素前体和甲砜霉素前体的毛细管电泳手性分离
短句来源
     Chloramphenicol-induced Leukemia
     氯霉素诱发的白血病
短句来源
     A Feminist Precursor
     一个女权主义先行者
短句来源
     Chemistry and Precursor Chemicals
     化学与易制毒化学品
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The precursors of chloramphenicol enantiomers were resolved by capillary electrophoresis with conductance detection. The separation was performed on a fused-silica capillary of 50 μm×50 cm. A big anion formed by reaction of H 3BO 3 with β-CD was used as a chiral selector in a NaOH-Cit containing 9.0 mmol/L H 3BO 3 and 7.0 mmol/L β-CD solution(pH3.0). Separation parameters, such as pH, concentration of running buffer and chiral selector, applied voltage were investigated. An attempt...

The precursors of chloramphenicol enantiomers were resolved by capillary electrophoresis with conductance detection. The separation was performed on a fused-silica capillary of 50 μm×50 cm. A big anion formed by reaction of H 3BO 3 with β-CD was used as a chiral selector in a NaOH-Cit containing 9.0 mmol/L H 3BO 3 and 7.0 mmol/L β-CD solution(pH3.0). Separation parameters, such as pH, concentration of running buffer and chiral selector, applied voltage were investigated. An attempt was made to elucidate the plausible mechanism of the chiral recognition. It was found that baseline separation of the enantiomers could be accomplished in 20 min under the optimum condition. Results indicated the simplicity and reliability of the enantiotropic separation for the chloramphenicol precursors.

采用未涂层毛细管柱 (5 5cm× 5 0 μm) ,基于H3 BO3 与 β CD络合成大阴离子作为手性拆分试剂 ,在NaOH Cit溶液中加入 9 0mol/LH3 BO3 与 7 0mmol/L β CD(pH =3 0 )作为运行缓冲液 ,用高效毛细管电泳电导检测法对氯霉素前体 (PCP)进行了拆分研究。考察了影响分离的实验参数 ,同时对其拆分机理进行了初步探讨。结果表明 ,在选择的最佳实验条件下 ,氯霉素前体分子中 4个对映异构体在 2 0min内得到基线分离 ,所建立的方法分离条件简单 ,重现性好。

 
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