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题名: Preparation of well-controlled three-dimensional skeletal hybrid monoliths via thiol-epoxy click polymerization for highly efficient separation of small molecules in capillary liquid chromatography
作者: Lin, Hui1, 2;  陈连芳1, 2;  Ou, Junjie1;  Liu, Zhongshan1, 2;  Wang, Hongwei1, 2;  Dong, Jing1;  Zou, Hanfa1
关键词: Polyhedral oligomericsilsesquioxane (POSS) ;  Thiol-epoxy click polymerization ;  Hybrid monolith ;  Capillary liquid chromatography
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2015-10-16
DOI: 10.1016/j.chroma.2015.09.011
卷: 1416, 页:74-82
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: Two kinds of hybrid monoliths were first prepared via thiol-epoxy click polymerization using a multi-epoxy monomer, octaglycidyldimethylsilyl POSS (FOSS-epoxy), and two multi-thiols, trimethylolpropanetris(3-mercaptopropionate) (TPTM) and pentaerythritoltetrakis(3-mercaptopropionate) (PTM), respectively, as the precursors. The resulting two hybrid monoliths (assigned as POSS-epoxy-TPTM and POSS-epoxy-PTM) not only possessed high thermal, mechanical and chemical stabilities, but also exhibited well-controlled 3D skeletal microstructure and high efficiency in capillary liquid chromatography (cLC) separation of small molecules. The highest column efficiency reached 182,700 N/m (for butylbenzene) on the monolith POSS-epoxy-PTM at the velocity of 0.75 mm/s. Furthermore, the hybrid monolith POSS-epoxy-PTM was successfully applied for cLC separations of various samples, not only standard compounds such as alkylbenzenes, PAHs, phenols and dipeptides, as well as intact proteins, but also complex samples of EPA 610 and BSA digest. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: POLYHEDRAL OLIGOMERIC SILSESQUIOXANES ;  OPENING METATHESIS POLYMERIZATION ;  FACILE PREPARATION ;  SILICA MONOLITHS ;  COLUMNS ;  CHEMISTRY ;  ELECTROCHROMATOGRAPHY ;  PERFORMANCE ;  PHOTOPOLYMERIZATION ;  MORPHOLOGY
语种: 英语
WOS记录号: WOS:000362304800009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146572
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Lin, Hui,Chen, Lianfang,Ou, Junjie,et al. Preparation of well-controlled three-dimensional skeletal hybrid monoliths via thiol-epoxy click polymerization for highly efficient separation of small molecules in capillary liquid chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2015,1416:74-82.
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