高等学校化学学报 ›› 2002, Vol. 23 ›› Issue (1): 34.

• 研究论文 • 上一篇    下一篇

对肼基苯磺酸在糖的毛细管电泳衍生中的应用——柱前衍生法

王晓燕, 陈义   

  1. 中国科学院化学研究所, 分子科学中心, 北京 100080
  • 收稿日期:2001-01-08 出版日期:2002-01-24 发布日期:2002-01-24
  • 通讯作者: 陈义(1957年出生),男,博士,研究员,博士生导师,从事毛细管电泳及生命分析研究.E-mail:chenyi@public.east.cn.net E-mail:chenyi@public.east.cn.net
  • 基金资助:

    国家杰出青年基金(批准号:29825112);中国科学院基金资助

Application of p-Hydrazinebenzenesulfonic Acid to Carbohydrate Determination by CE Pre-capillary Derivatization

WANG Xiao-Yan, CHEN Yi    

  1. Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
  • Received:2001-01-08 Online:2002-01-24 Published:2002-01-24

摘要: 提出利用对肼基苯磺酸作为糖的衍生试剂,以实现快速的毛细管电泳分离与检测.详细研究了影响衍生反应的诸多因素以及衍生产物的毛细管电泳分离条件.结果表明,本方法可以在温和条件下实现快速反应(10min),200nm紫外检测下葡萄糖的最低检出量可达17.6fmol,检出浓度3.6μmol/L.在100mmol/LH3BO3(pH=10.24)体系中实现了9种单糖和二糖的高效分离.

关键词: 高效毛细管电泳, 糖, 肼基苯磺酸, 柱前衍生

Abstract: p-Hydrazinebenzenesulfonic acid was explored as a novel pre-capillary labeling reagent for CEof mono and disaccharides. The derivatization and the separation in borate buffer were investigated in detail. The derivatization took less than 10 min and the mass detection limit at 200 nm reaches 17.6 fmol of glucose, corresponding to concentration limit of 3.6 μmol/L. The baseline separation of 9 mono and disaccharides could be achieved within 11 min, using a running buffer composed of 100 mmol/Lborate at pH 10.24 This approach is also suitable for quantitation with linear coefficients higher than 0.992 at the concentrations between 0.1-9.1 mmol/L.

Key words: High performance capillary electrophoresis, Carbohydrate, p-Hydrazinebenzenesulfonic acid, Pre-capillary derivatization

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