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题名: Application of a high-pressure electro-osmotic pump using nanometer silica in capillary liquid chromatography
作者: Chen, LX;  Guan, YF;  Ma, JP;  Luo, GA;  Liu, KH
通讯作者: Guoan Luo
关键词: electro-osmotic pump ;  pump ;  nanometer silica ;  nanochannel ;  capillary liquid chromatography
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2005-01-28
DOI: 10.1016/j.chroma.2004.11.085
卷: 1064, 期:1, 页:19-24
收录类别: SCI
文章类型: Article
部门归属: 1
项目归属: 105
产权排名: 2;2
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 novel designed electro-osmotic pump (EOP) with simple structure was assembled using three 20 cm x 530 mum i.d. fused-silica capillaries packed with 20 +/- 5 nm silica grains for capillary liquid chromatography. It was found that the pump could generate pressures over 20 MPa and several muL/min flow rate for most of the liquids being delivered with the applied voltage less than 10 kV. By increasing the pressure, decreasing the applied voltage and the electrical current, the thermodynamic efficiency was about 1-4%. A practical application of the EOP in a 20 cm x 150 mum i.d. 3 mum C(18) fused-silica analytical capillary column demonstrated the applicability of the pump. (C) 2004 Elsevier B.V. All rights reserved.
关键词[WOS]: FABRICATION ;  EFFICIENCY ;  DELIVERY ;  COLUMNS ;  SYSTEMS ;  HPLC ;  FLOW
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000226706700003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/97641
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.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116012, Peoples R China

Recommended Citation:
Chen, LX,Guan, YF,Ma, JP,et al. Application of a high-pressure electro-osmotic pump using nanometer silica in capillary liquid chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2005,1064(1):19-24.
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