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题名: Preparation and evaluation of surface-bonded tricationic ionic liquid silica as stationary phases for high-performance liquid chromatography
作者: Qiao, Lizhen1;  Shi, Xianzhe1;  Lu, Xin1;  Xu, Guowang1
关键词: Tricationic ionic liquid ;  Stationary phase ;  Reversed-phase liquid chromatography ;  Hydrophilic interaction chromatography
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2015-05-29
DOI: 10.1016/j.chroma.2015.03.081
卷: 1396, 页:62-71
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 tricationic ionic liquids were prepared and then bonded onto the surface of supporting silica materials through "thiol-ene" click chemistry as new stationary phases for high-performance liquid chromatography. The obtained columns of tricationic ionic liquids were evaluated respectively in the reversed-phase liquid chromatography (RPLC) mode and hydrophilic interaction liquid chromatography (HILIC) mode, and possess ideal column efficiency of 80,000 plates/m in the RPLC mode with naphthalene as the test solute. The tricationic ionic liquid stationary phases exhibit good hydrophobic and shape selectivity to hydrophobic compounds, and RPLC retention behavior with multiple interactions. In the HILIC mode, the retention and selectivity were evaluated through the efficient separation of nucleosides and bases as well as flavonoids, and the typical HILIC retention behavior was demonstrated by investigating retention changes of hydrophilic solutes with water volume fraction in mobile phase. The results show that the tricationic ionic liquid columns possess great prospect for applications in analysis of hydrophobic and hydrophilic samples. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: HYDROPHILIC INTERACTION CHROMATOGRAPHY ;  SOLVATION ENERGY RELATIONSHIPS ;  SENSITIZED SOLAR-CELLS ;  RETENTION CHARACTERISTICS ;  REUSABLE CATALYST ;  ANION-EXCHANGE ;  STABILITY ;  MECHANISM ;  ELECTROLYTES ;  SELECTIVITY
语种: 英语
WOS记录号: WOS:000355026900008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146255
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

Recommended Citation:
Qiao, Lizhen,Shi, Xianzhe,Lu, Xin,et al. Preparation and evaluation of surface-bonded tricationic ionic liquid silica as stationary phases for high-performance liquid chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2015,1396:62-71.
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