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学科主题: 物理化学
题名: Hybrid monolithic columns coated with cellulose tris(3,5-dimethylphenyl-carbamate) for enantioseparations in capillary electrochromatography and capillary liquid chromatography
作者: Ou, Junjie1;  Lin, Hui1, 2;  Tang, Shouwan3;  Zhang, Zhenbin1, 2;  Dong, Jing1;  Zou, Hanfa1
通讯作者: 欧俊杰 ;  邹汉法
关键词: Hybrid monolithic column ;  Chiral stationary phase ;  Capillary electrochromatography ;  Capillary liquid chromatography ;  Substituted cellulose derivatives ;  Enantioseparation
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2012-12-21
DOI: 10.1016/j.chroma.2012.09.022
卷: 1269, 页:372-378
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: A hybrid monolithic capillary column synthesized with (3-chloropropyl)-trimethoxysilane (CPTMS) and tetramethoxysilane (TMOS) via sol-gel chemistry was in situ coated with cellulose tris(3,5-dimethylphenyl-carbamate) (CDMPC) for enantioseparations in capillary electrochromatography (CEC) and capillary liquid chromatography (CLC). Prior to coating, the prepared CP-silica hybrid monolith was straightforwardly modified with diethylenetriamine (DETA) to introduce -NH2 functionalities via the nucleophilic substitution reaction, which generate the stronger EOF for CEC. The coating condition was optimized to obtain a stable and reproducible chiral stationary phase for enantioseparation. The results indicated that racemic benzoin was baseline separated on the resulting hybrid monolith coated with 30 mg/mL CDMPC in CEC, while several racemates were successfully enantioseparated on the resulting CP-silica hybrid monolithic column coated with 60 mg/mL CDMPC in CLC with RP and NP modes. (c) 2012 Elsevier B.V. All rights reserved.
关键词[WOS]: CHIRAL STATIONARY PHASES ;  ELECTROMIGRATION TECHNIQUES ;  POLYSACCHARIDE DERIVATIVES ;  ENANTIOMER SEPARATION ;  SILICA ;  CEC ;  POLYMER ;  FABRICATION ;  TRENDS ;  HPLC
语种: 英语
WOS记录号: WOS:000312475300034
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/118329
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, CAS Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Taizhou Coll, Linhai 317000, Peoples R China

Recommended Citation:
Ou, Junjie,Lin, Hui,Tang, Shouwan,et al. Hybrid monolithic columns coated with cellulose tris(3,5-dimethylphenyl-carbamate) for enantioseparations in capillary electrochromatography and capillary liquid chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2012,1269:372-378.
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