高等学校化学学报

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化合物疏水参数测定的脂质体毛细管电泳方法

董志强1, 夏之宁1,2, 蒋雪梅2   

    1. 重庆大学化学化工学院药学系,
    2. 生物工程学院, 重庆 400030
  • 收稿日期:2006-11-09 修回日期:1900-01-01 出版日期:2007-07-10 发布日期:2007-07-10
  • 通讯作者: 夏之宁

Method Measuring of Hydrophobic Parameter of Organic Compounds via a Novel Liposome Capillary Electrophoresis

DONG Zhi-Qiang1, XIA Zhi-Ning1,2*, JIANG Xue-Mei2   

    1. Department of Pharmaceutics, Institute of Chemistry and Chemical Engineering,
    2. College of Bioengineering, Chongqing University, Chongqing 400030, China
  • Received:2006-11-09 Revised:1900-01-01 Online:2007-07-10 Published:2007-07-10
  • Contact: XIA Zhi-Ning

摘要:

采用脂质体模拟生物膜作为CE的运行介质, 探讨了一种可简单、快速获得tl值的新技术, 即根据系列标准化合物在LCE中的迁移时间与其疏水参数的关系进行非线性拟合得到tl值. 将该方法用于6种苯类化合物的疏水参数测定, 并对测定结果的准确性进行了比较.

关键词: 脂质体, 毛细管电泳, 疏水参数, 迭代拟合

Abstract:

Liposome capillary electrophoresis(LCE) provides a novel and facile approach for determining hydrophobic parameters(lgP) of organic compounds. In order to avoid the error of the migration time of liposome phase(tl) on determination, a novel technique was developed in this paper, in which the tl was obtained via non-linearity fitting with lgP values from literatures and migration time(tm) of a series of standard compounds. lgP values of the six benzene derivatives determined by this LCE method were compared with literature values and the ones obtained by directly determined tl and MEEKC. The average error between lgP values determined by two LCE methods was 0.07 logarithm units. The LCE method was simple and rapid, which can provide a new way to determine lgP of organic compounds.

Key words: Liposome, Capillary electrophoresis, Hydrophobic parameter, Iteration

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