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题名: Polar-copolymerized approach based on horizontal polymerization on silica surface for preparation of polar-modified stationary phases
作者: Guo, Zhimou1;  Wang, Chaoran1;  Liang, Tu2;  Liang, Xinmiao1, 2
关键词: Reversed-phase liquid chromatography ;  Polar-modified stationary phases ;  Polar-copolymerized ;  Horizontal polymerization
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2010-07-02
DOI: 10.1016/j.chroma.2010.04.068
卷: 1217, 期:27, 页:4555-4560
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 new approach for preparation of polar-modified reversed-phase liquid chromatography stationary phases was developed by using horizontal polymerization technique on silica surface, which was defined as "polar-copolymerized" approach. Based on this new approach, a representative polar-copolymerized stationary phase composed of mixed n-octadecyl and chloropropyl (C18-C3C1) was synthesized. The resulting stationary phase named C18HCE was characterized with elemental analysis and solid phase (13)C and (29)Si NMR, which proved the chemistry of polar-copolymerized stationary phases. Chromatographic evaluation and application of the C18HCE were also investigated. The results of preliminary chromatographic evaluation demonstrated that the C18HCE stationary phase exhibited 100% aqueous mobile phase compatibility, low silanol activity. In addition, the application results demonstrated that the C18HCE had superior separation performance in alkaloids separation at acidic conditions compared to some commercial stationary phases. (C) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ;  MIXED TRIFUNCTIONAL SILANES ;  EMBEDDED UREA GROUPS ;  W. T. WANG ;  HPLC ;  RETENTION ;  ALKYL ;  STABILITY ;  ALKALOIDS ;  COLUMN
语种: 英语
WOS记录号: WOS:000279138600007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141682
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.E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R China

Recommended Citation:
Guo, Zhimou,Wang, Chaoran,Liang, Tu,et al. Polar-copolymerized approach based on horizontal polymerization on silica surface for preparation of polar-modified stationary phases[J]. JOURNAL OF CHROMATOGRAPHY A,2010,1217(27):4555-4560.
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