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题名: Multidimensional liquid chromatography system with an innovative solvent evaporation interface
作者: Tian, Hongzhe;  Xu, Jing;  Xu, Yuan;  Guan, Yafeng
通讯作者: 关亚风
关键词: two-dimensional liquid chromatography ;  traditional Chinese medicines ;  Angelica dahurica ;  solvent exchange interface ;  furancoumarin ;  loop-valve interface ;  band compression
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2006-12-22
DOI: 10.1016/j.chroma.2006.10.005
卷: 1137, 期:1, 页:42-48
收录类别: SCI
文章类型: Article
部门归属: 1
项目归属: 105
产权排名: 1;1
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: An orthogonal two-dimensional liquid chromatographic (2D-LC) system was developed by using a vacuum-evaporation loop-type valve interface. Normal-phase liquid chromatography (NPLC) with a bonded CN phase column was used as the first dimension, and reversed-phase liquid chromatography (RPLC) with a C-18 column was used as the second dimension. All the solvents in the loop of the interface were evaporated at 90 degrees C under vacuum conditions, leaving the analytes on the inner wall of the loop. The mobile phase of the second dimension dissolved the analytes in the loop and injected them onto the secondary column, allowing an on-line solvent exchange of a selected fraction from the first dimension to the second dimension. The chromatographic resolution of analytes on the two dimensions was maintained at their optimal condition. Sample loss due to evaporation in the interface was observed that depended on the boiling point of the compound. Separation of sixteen polycyclic aromatic hydrocarbon mixtures and a traditional Chinese medicine Angelica dahurica was demonstrated. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: CAPILLARY COLUMNS ;  SEPARATION ;  HPLC ;  COMPONENTS ;  MIXTURES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000242872700007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98161
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, Dept Instrumentat & Analyt Chem, Dalian 116023, Peoples R China

Recommended Citation:
Tian, Hongzhe,Xu, Jing,Xu, Yuan,et al. Multidimensional liquid chromatography system with an innovative solvent evaporation interface[J]. JOURNAL OF CHROMATOGRAPHY A,2006,1137(1):42-48.
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