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题名: Synthesis, chromatographic evaluation and hydrophilic interaction/reversed-phase mixed-mode behavior of a "Click beta-cyclodextrin" stationary phase
作者: Guo, Zhimou1;  Jin, Yu1, 2;  Liang, Tu1;  Liu, Yanfang1;  Xu, Qing1;  Liang, Xinmiao1, 2;  Lei, Aiwen3
关键词: beta-Cyclodextrin ;  Stationary phase ;  Click chemistry ;  Hydrophilic interaction liquid chromatography ;  Polar components ;  Mixed-mode stationary phase
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2009-01-09
DOI: 10.1016/j.chroma.2008.11.071
卷: 1216, 期:2, 页:257-263
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 native beta-cyclodextrin (beta-CD) stationary phase was prepared by covalently bonding beta-CD on silica particles via Huisgen [3 + 2] dipolar cycloaddition between the organic azide and terminal alkyne, the so-called Click chemistry. The resulting beta-CD bonded silica (Click beta-CD) was characterized by FT-IR, solid state C-13 cross polarization/magic-angle spinning (CP/MAS) NMR and elemental analyses. which proved the successful immobilization of beta-CD on the silica support with Click chemistry. The retentive properties of Click beta-CID were investigated under hydrophilic interaction liquid chromatography (HILIC) mode in different mobile phase conditions with a set of polar compounds including nucleosides, organic acids and alkaloids. The effects of water content, concentration of the salt and pH of the buffer solution on the retention time were studied and the results demonstrated the typical retention behavior of HILIC on Click beta-CD. Separation of very polar components, such as nucleosides and oligosaccharides, and chiral separation under HILIC mode were successfully achieved. In addition, Click beta-CD was chromatographically evaluated with a set of flavone glycosides. The retention Curves depending on the mobile phase of acetonitrile content were "U" curves. which is an indication of HILIC/RPLC mixed-mode retention behavior. The difference of the separation selectivity between HILIC and RPLC was described as orthogonality by using geometric approach and the orthogonality reached 69.4%. The mixed-mode HPLC properties and excellent orthogonality demonstrated the flexibility in HPLC methods development and great potential in two-dimensional liquid chromatography separation. (C) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ;  POLAR COMPOUNDS ;  SILICA-GEL ;  MASS-SPECTROMETRY ;  REVERSED-PHASE ;  ADRENORECEPTOR AGONISTS ;  RETENTION PREDICTION ;  SEPARATION MATERIALS ;  CHEMISTRY ;  HPLC
语种: 英语
WOS记录号: WOS:000262697100010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141494
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, Grad Sch, Dalian 116023, Peoples R China
2.E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R China
3.Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China

Recommended Citation:
Guo, Zhimou,Jin, Yu,Liang, Tu,et al. Synthesis, chromatographic evaluation and hydrophilic interaction/reversed-phase mixed-mode behavior of a "Click beta-cyclodextrin" stationary phase[J]. JOURNAL OF CHROMATOGRAPHY A,2009,1216(2):257-263.
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