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题名: Optimized preparation of poly(styrene-co-divinylbenzene-co-methacrylic acid) monolithic capillary column for capillary electrochromatography
作者: Jin, WH;  Fu, HJ;  Huang, XD;  Xiao, H;  Zou, HF
关键词: basic pharmaceuticals ;  capillary electrochromatography ;  hormones ;  peptides ;  stationary phase ;  styrene-based monolith
刊名: ELECTROPHORESIS
发表日期: 2003-09-01
DOI: 10.1002/elps.200305579
卷: 24, 期:18, 页:3172-3180
收录类别: ISTP ;  SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: Preparation of a poly(styrene-co-divinylbenzene-co-methacrylic acid) monolithic stationary phase for the use in capillary electrochromatography (CEC) has been improved by optimizing the polymerization conditions. It is observed that the reaction time strongly affects column efficiency, while the proportion of isooctane in porogen influences peak symmetry of some solutes seriously. The lifetime of the monolithic columns prepared mainly depends on the pH of buffers used. Reproducibility of electroosmotic flow (EOF) from batch to batch columns are lower than 2.8% relative standard deviation. Unlike other types of capillary electrochromatographic monoliths, a pH-dependent EOF was observed on this type of column. Separation of various types of compounds including aromatic hydrocarbons, hormones, anilines, basic pharmaceuticals, and peptides was achieved. The facile preparation and wide application of this monolithic column may make styrene-based polymer a potential stationary phase in CEC.
关键词[WOS]: RIGID POLYMER MONOLITHS ;  REVERSED-PHASE ELECTROCHROMATOGRAPHY ;  STATIONARY PHASES ;  LIQUID-CHROMATOGRAPHY ;  SEPARATION MEDIA ;  PACKED CAPILLARIES ;  POROUS PROPERTIES ;  SURFACE-CHEMISTRY ;  PEPTIDES ;  FLOW
语种: 英语
WOS记录号: WOS:000185897100011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138320
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.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116011, Peoples R China

Recommended Citation:
Jin, WH,Fu, HJ,Huang, XD,et al. Optimized preparation of poly(styrene-co-divinylbenzene-co-methacrylic acid) monolithic capillary column for capillary electrochromatography[J]. ELECTROPHORESIS,2003,24(18):3172-3180.
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