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题名: Fast preparation of a highly efficient organic monolith via photo-initiated thiol-ene click polymerization for capillary liquid chromatography
作者: 陈连芳1, 2;  Ou, Junjie1;  Liu, Zhongshan1, 2;  Lin, Hui1, 2;  Wang, Hongwei1;  Dong, Jing1;  Zou, Hanfa1
关键词: Organic monolith ;  Thiol-ene click reaction ;  Capillary liquid chromatography ;  Photo-initiated polymerization ;  1,2,4-Trivinylcyclohexane
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2015-05-15
DOI: 10.1016/j.chroma.2015.03.054
卷: 1394, 页:103-110
收录类别: 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: A novel organic monolith was firstly prepared in a UV-transparent fused-silica capillary by a single-step approach via photo-initiated thiol-ene click polymerization reaction of 1,2,4-trivinylcyclohexane (TVCH) and pentaerythriol tetra(3-mercaptopropionate) (4SH) within 10 min. The effects of both composition of prepolymerization solution and polymerization time on the morphology and permeability of monolithic column were investigated in detail. Then, the optimal condition was acquired to fabricate a homogeneous and permeable organic monolith. The chemical groups of the monolithic column were confirmed by Fourier transform infrared spectroscopy (FT-IR). The SEM graphs showed the organic monolith possessed a uniform porous structure, which promotes the highest column efficiency of 133,000 plates per meter for alkylbenzenes at the linear velocity of 0.65 mm/s in reversed-phase liquid chromatography. Finally, the organic monolithic column was further applied for separation of basic compounds, pesticides and EPA610, indicating satisfactory separation ability. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: POLYHEDRAL OLIGOMERIC SILSESQUIOXANES ;  LARGE SURFACE-AREA ;  SMALL MOLECULES ;  STATIONARY PHASES ;  REVERSED-PHASE ;  MACROPOROUS POLYMERS ;  MASS-SPECTROMETRY ;  SEPARATION MEDIA ;  POROUS MATERIALS ;  COLUMNS
语种: 英语
WOS记录号: WOS:000353612500013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146231
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, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Chen, Lianfang,Ou, Junjie,Liu, Zhongshan,et al. Fast preparation of a highly efficient organic monolith via photo-initiated thiol-ene click polymerization for capillary liquid chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2015,1394:103-110.
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