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题名: Capillary electrochromatographic separation of ionizable compounds with a molecular imprinted monolithic cationic exchange column
作者: Yan, WY;  Gao, RY;  Zhang, ZC;  Wang, QS;  Jiang, CV;  Yan, C
关键词: molecular imprinted polymer ;  monolithic column ;  cationic exchange column ;  capillary electrochromatography ;  ion exchange chromatography ;  structural isomers ;  ionizable compounds ;  4-aminopyridine ;  2-aminopyridine
刊名: JOURNAL OF SEPARATION SCIENCE
发表日期: 2003-05-01
卷: 26, 期:6-7, 页:555-561
收录类别: SCI
文章类型: Article
部门归属: 1810
项目归属: 1810
产权排名: 2; 6
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A polymer-based monolithic capillary column imprinted with 4-aminopyridine (4-AP) was prepared by a thermally-initiated polymerization process; and its performance as a capillary electrochromatographic medium was evaluated in separating 4-AP and 2-AP isomers. The effects of experimental parameters, such as pH value and ionic strength of the buffer, the acetonitrile content in the mobile phase, and the applied voltage, on the resolution of these isomers had been carefully investigated. It was found that in the retention process there were interplays of multiple mechanisms of ion-exchange, molecular imprinting, and electrophoresis. These mechanisms allowed more sophisticated control of experimental parameters in the separation of ionizable compounds.
关键词[WOS]: SOLID-PHASE EXTRACTION ;  ENANTIOMERIC RECOGNITION ;  SELECTIVE SEPARATIONS ;  POLYMER PARTICLES ;  STATIONARY PHASES ;  AMINO-ACIDS ;  ELECTROPHORESIS ;  PERFORMANCE ;  SENSOR ;  SORBENTS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000183219900016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/82775
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.Unimicro Technol Inc, Pleasanton, CA 94566 USA
2.Nankai Univ, Natl Lab ElementoOrgan Chem, Tianjin 300071, Peoples R China
3.Chinese Acad Sci, Dept Biotechnol, Dalian Inst Chem Phys, Dalian 116011, Peoples R China

Recommended Citation:
Yan, WY,Gao, RY,Zhang, ZC,et al. Capillary electrochromatographic separation of ionizable compounds with a molecular imprinted monolithic cationic exchange column[J]. JOURNAL OF SEPARATION SCIENCE,2003,26(6-7):555-561.
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