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题名: On-column Enrichment with Field Amplified Sample Stacking in Capillary Zone Electrophoresis
作者: Cao Feng1, 2;  Zhang Wei-Bing1, 3;  Zhang Yu-Kui3
关键词: Capillary zone elcotrophoresis ;  enrichment ;  sample injection
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2009-07-01
卷: 37, 期:7, 页:965-969
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: FASS (field amplified sample stacking) is a technique for on-column enrichment in capillary zone electrophoresis. The distribution of solute in column during injection can be divided into two parts: the stack zone in running buffer and the sample solution zone imported by electroosmosis. Based on the investigation of transfer of solute in column, the results showed that the relationship between the length of two zone and injection time was nonlinear, so the relationship of injecting size that related with the mobility of solute and injection time. The increasing of the enrichment effect will not synchronize with the increasing of injection size, and the enrichment effect is decreased due to the laminar flow. To hold a basic constant column efficiency and desire enrichment effect, the ratio of mobility of solute in two zones should be maximum, and the injection time should also match with the ratio.
关键词[WOS]: ELECTROCHROMATOGRAPHY ;  INJECTION
语种: 英语
WOS记录号: WOS:000268522400005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141278
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.E China Univ Sci & Technol, Shanghai 200237, Peoples R China
2.Huzhou Univ, Sch Life Sci, Huzhou 313000, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog Res & Anal Ctr, Dalian 116011, Peoples R China

Recommended Citation:
Cao Feng,Zhang Wei-Bing,Zhang Yu-Kui. On-column Enrichment with Field Amplified Sample Stacking in Capillary Zone Electrophoresis[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2009,37(7):965-969.
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