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学科主题: 物理化学
题名: Polyhedral oligomeric silsesquioxanes as functional monomer to prepare hybrid monolithic columns for capillary electrochromatography and capillary liquid chromatography
作者: Ou, Junjie1;  Zhang, Zhenbin1, 2;  Lin, Hui1, 2;  Dong, Jing1;  Zou, Hanfa1
通讯作者: 欧俊杰 ;  邹汉法
关键词: Monolithic column ;  Polyhedral oligomeric silsesquioxanes ;  Organic-silica hybrid ;  Capillary electrochromatography ;  Capillary liquid chromatography
刊名: ANALYTICA CHIMICA ACTA
发表日期: 2013-01-25
DOI: 10.1016/j.aca.2012.11.052
卷: 761, 页:209-216
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1809
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A simple approach to fabricate hybrid monolithic column within the confines of fused-silica capillaries (75 mu m i.d.) was introduced. A polyhedral oligomeric silsesquioxanes (POSS) reagent containing a methacrylate group was selected as functional monomer, and copolymerized with bisphenol A dimethacrylate (BPADMA) or ethylene dimethacrylate (EDMA) in the presence of porogenic solvents via thermally initiated free radical polymerization. After optimization of the preparation conditions, two POSS-containing hybrid monoliths were successfully prepared and exhibited good permeability and stability. By comparison of the separation efficiencies of the resulting poly(POSS-co-BPADMA) and poly(POSS-co-EDMA) monoliths in capillary electrochromatography (CEC) and capillary liquid chromatography (cLC), it was indicated the former has better column efficiencies for alkylbenzenes, phenols, anilines and PAHs in CEC and cLC than the latter. Particularly, the hybrid poly(POSS-co-BPADMA) monolith is more suitable for separation of PAHs due to pi-pi interaction between the analytes and aromatic rings in the surface of monolithic stationary phase. (C) 2012 Elsevier B.V. All rights reserved.
关键词[WOS]: GOLD NANOPARTICLES ;  STATIONARY PHASES ;  POLYMER MONOLITHS ;  GAS-CHROMATOGRAPHY ;  TITANIUM-DIOXIDE ;  SEPARATION ;  PERFORMANCE ;  EFFICIENCY ;  PROTEINS
语种: 英语
WOS记录号: WOS:000314488600026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117544
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, Key Lab Separat Sci Analyt Chem, Natl Chromatog R&A Ctr, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Ou, Junjie,Zhang, Zhenbin,Lin, Hui,et al. Polyhedral oligomeric silsesquioxanes as functional monomer to prepare hybrid monolithic columns for capillary electrochromatography and capillary liquid chromatography[J]. ANALYTICA CHIMICA ACTA,2013,761:209-216.
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