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Preparation of monolithic silica column with strong cation-exchange stationary phase for capillary electrochromatography
Xie, CH; Hu, JW; Xiao, H; Su, XY; Dong, J; Tian, RJ; He, ZK; Zou, HF; Zou HF(邹汉法)
关键词Electrochromatography Silica Monolith Strong Cation-exchange Basic Pharmaceuticals
刊名JOURNAL OF SEPARATION SCIENCE
2005-05-01
ISSN1615-9306
DOI10.1002/jssc.200400101
28期:8页:751-756
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 ; Physical Sciences
类目[WOS]Chemistry, Analytical
研究领域[WOS]Chemistry
关键词[WOS]UREA-HYDROGEN-PEROXIDE ; DANSYL AMINO-ACIDS ; CHROMATOGRAPHIC CHARACTERIZATION ; TRIFLUOROACETIC-ANHYDRIDE ; PHARMACEUTICAL ANALYSIS ; LIQUID-CHROMATOGRAPHY ; REVERSED-PHASE ; SEPARATION ; PERFORMANCE ; OXIDATION
英文摘要A monolithic silica based strong cation-exchange stationary phase was successfully prepared for capillary electrochromatography. The monolithic silica matrix from a sol-gel process was chemically modified by treatment with 3-mercaptopropyltrimethoxysilane followed by a chemical oxidation procedure to produce the desired function. The strong cation-exchange stationary phase was characterized by its substantial and stable electroosmotic flow (EOF), and it was observed that the EOF value of the prepared column remained almost unchanged at different buffer pH values and slowly decreased with increasing phosphate concentration in the mobile phase. The monolithic silica column with strong cation-exchange stationary phase has been successfully employed in the electrochromatographic separation of beta-blockers and alkaloids extracted from traditional Chinese medicines (TCMs). The column efficiencies for the tested beta-blockers varied from 210,000 to 340,000 plates/m. A peak compression effect was observed for atenolol with the mobile phase having a low phosphate concentration.
语种英语
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WOS记录号WOS:000229404700007
引用统计
被引频次:46[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/92739
专题中国科学院大连化学物理研究所
通讯作者Zou HF(邹汉法)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromoto R&A Ctr, Dalian 116011, Peoples R China
2.Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
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GB/T 7714
Xie, CH,Hu, JW,Xiao, H,et al. Preparation of monolithic silica column with strong cation-exchange stationary phase for capillary electrochromatography[J]. JOURNAL OF SEPARATION SCIENCE,2005,28(8):751-756.
APA Xie, CH.,Hu, JW.,Xiao, H.,Su, XY.,Dong, J.,...&邹汉法.(2005).Preparation of monolithic silica column with strong cation-exchange stationary phase for capillary electrochromatography.JOURNAL OF SEPARATION SCIENCE,28(8),751-756.
MLA Xie, CH,et al."Preparation of monolithic silica column with strong cation-exchange stationary phase for capillary electrochromatography".JOURNAL OF SEPARATION SCIENCE 28.8(2005):751-756.
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