| 高效毛细管电泳中的电渗研究 |
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| 引用本文： | 李红旗,沈忠耀.高效毛细管电泳中的电渗研究[J].高等学校化学学报,1993,14(11):1528. |
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| 作者姓名： | 李红旗 沈忠耀 |
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| 作者单位： | 清华大学化工系, 北京 100084 |
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| 摘 要： | 高效毛细管电泳(HPCE)是近年来发展起来的一种新型高效分离技术。它具有分离速度快、效率高、重复性好等特点,受到国内外学术界的关注。电渗是影响HPCE分离效率的重要因素,如何抑制电渗对分离效率的影响是人们研究的重要内容。本文对石英毛细管在高压电场中的电渗性能进行了多因素的研究。结果表明,综合优化实验条件可以改变电
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| 关 键 词： | 高效毛细管电泳 电渗 分离技术 |
| 收稿时间： | 1992-11-21 |
Studies on Electroosmotic Flow in High Performance Capillary Electrophoresis |
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| LI Hong-Qi,SHEN Zhong-Yao.Studies on Electroosmotic Flow in High Performance Capillary Electrophoresis[J].Chemical Research In Chinese Universities,1993,14(11):1528. |
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| Authors: | LI Hong-Qi SHEN Zhong-Yao |
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| Institution: | Department of Chemical Engineering, Tsmghua University, Beijing, 100084 |
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| Abstract: | Factors affecting electroosmosis in high performance capillary electrophoresis has been studied in detail.The electroosmotic flow rates are measured at different voltages, electrolytic concentrations, pHvalues in 0.2 mm I.D.silica capillaries.Modified silica capillaries coated with KH-570 or (C6H5)2SiCl2 are also investigated in the paper.It shows that the ξ voltage and electroosmotic flow rates can be reduced by lowering pHvalues and coating capillaries. |
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| Keywords: | High performance capillary electrophoresis Electroosmosis Separation technique |
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