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题名: Determination of dissociation constants of Strychnos alkaloids from Strychnos nux-vomica L. by capillary electrophoresis
作者: Fu, SP;  Zhang, XZ;  Zhang, F;  Xu, Q;  Xiao, HB;  Liang, XM
通讯作者: 梁鑫淼
关键词: dissociation constants ;  Strychnos alkaloids ;  capillary electrophoresis
刊名: MICROCHIMICA ACTA
发表日期: 2005-07-01
DOI: 10.1007/s00604-005-0367-y
卷: 150, 期:3-4, 页:305-310
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1804,1803
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
英文摘要: An accurate capillary electrophoresis method was developed for the determination of dissociation constants of five Strychnos alkaloids from Strychnos nux-vomica L. The method relies on measuring the effective mobility of the solute as a function of the buffer pH. The mathematical relationship was strictly derived from the fundamental electrophoresis theory and the dissociation equilibrium of a weak base without any simplifications. Careful optimization of the running buffer permitted base-line resolution of the five structurally similar alkaloids.
关键词[WOS]: ZONE-ELECTROPHORESIS ;  PK(A) VALUES ;  SPECTROPHOTOMETRIC DETERMINATION ;  LIQUID-CHROMATOGRAPHY ;  IONIZATION-CONSTANTS ;  ORGANIC-BASES ;  AMINO-ACIDS ;  PK VALUES ;  EQUILIBRIA ;  MOBILITIES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000230462200015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92367
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, Dalian 116023, Peoples R China

Recommended Citation:
Fu, SP,Zhang, XZ,Zhang, F,et al. Determination of dissociation constants of Strychnos alkaloids from Strychnos nux-vomica L. by capillary electrophoresis[J]. MICROCHIMICA ACTA,2005,150(3-4):305-310.
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