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学科主题: 物理化学
题名: Facile preparation of a stable and functionalizable hybrid monolith via ring-opening polymerization for capillary liquid chromatography
作者: Lin, Hui1, 2;  Ou, Junjie1;  Tang, Shouwan3;  Zhang, Zhenbin1, 2;  Dong, Jing1;  Liu, Zhongshan1, 2;  Zou, Hanfa1
通讯作者: 邹汉法 ;  欧俊杰
关键词: Polyhedral oligomeric silsesquioxanes (POSSs) ;  Hybrid monolith ;  Capillary liquid chromatography ;  Hydrophilic-interaction chromatography ;  Enantioseparation
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2013-08-02
DOI: 10.1016/j.chroma.2013.05.069
卷: 1301, 页:131-138
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 ;  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: An organic-inorganic hybrid monolith was prepared by a single-step ring-opening polymerization of octaglycidyldimethylsilyl polyhedral oligomeric silsesquioxane (POSS) with poly(ethylenimine) (PEI). The obtained hybrid monoliths possessed high ordered 3D skeletal microstructure with dual retention mechanism that exhibits reversed-phase (RP) mechanism under polar mobile phase and hydrophilic-interaction liquid chromatography (HILIC) retention mechanism under less polar mobile phase. The high column efficiencies of 110,000 N/m can be achieved for separation of alkylbenzenes in capillary reversed-phase liquid chromatography (cLC). Due to the robust property of hybrid monolith and the rich primary and secondary amino groups on its surface, the resulting hybrid monolith was easily modified with gamma-gluconolactone and physically coated with cellulose tris(3,5-dimethylphenylcarbamate) (CDMPC), respectively. The former was successfully applied for HILIC separation of neutral, basic and acidic polar compounds as well as small peptides, and the latter for enantioseparation of racemates in cLC. The high column efficiencies were achieved in all of those separations. These results demonstrated that the hybrid monolith (POSS-PEI) possessed high stability and good surface tailorbility, potentially being applied for other research fields (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: STATIONARY PHASES ;  MACROPOROUS POLYMER ;  MASS-SPECTROMETRY ;  SEPARATION MEDIA ;  COLUMNS ;  ELECTROCHROMATOGRAPHY ;  ENANTIOSEPARATIONS ;  EXTRACTION ;  RODS ;  FLOW
语种: 英语
WOS记录号: WOS:000322098100014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117678
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.Acad Sinica, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, CAS Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Taizhou Coll, Linhai 317000, Peoples R China

Recommended Citation:
Lin, Hui,Ou, Junjie,Tang, Shouwan,et al. Facile preparation of a stable and functionalizable hybrid monolith via ring-opening polymerization for capillary liquid chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2013,1301:131-138.
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