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题名: Open-tubular gas chromatography using capillary coated with octadecylamine-capped gold nanoparticles
作者: Qu, Qi-Shu1, 3;  Shen, Fei1;  Shen, Ming1;  Hu, Xiao-Ya1;  Yang, Gong-Jun1;  Wang, Cheng-Yin1;  Yan, Chao2, 3;  Zhang, Yu-Kui3
关键词: octadecylamine ;  gold nanoparticle ;  open-tubular gas chromatography
刊名: ANALYTICA CHIMICA ACTA
发表日期: 2008-02-18
DOI: 10.1016/j.aca.2007.12.031
卷: 609, 期:1, 页:76-81
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: The octadecylamine-capped gold nanoparticles (ODA-Au-NPs) were prepared and directly used to coat the capillary wall. The hydrophobic coating acted as the stationary phase for open-tubular gas chromatography (OTGC). The ODA-Au-NPs can be adsorbed tightly onto the inner surface of fused silica capillary column via electrostatic interaction and enhanced interaction of van der Waals between gold nanoparticles and the capillary wall. Thus, the modification of the inner surface of capillary column by ODA-Au-NPs can be achieved simply by flushing the capillary with a solution of ODA-Au-NPs and the resulted ODA-Au-NPs coating is very stable. No perceptible degradation in the ODA-Au-NPs-based separation was observed after similar to 1900 sample runs. This type of columns also provided excellent chromatographic performances: high number of theoretical plates, outstanding run-to-run and column-to-column reproducibility and high selectivity for a wide range of test mixtures. An efficiency of 2474 theoretical plates per meter for chlorobenzene was obtained on an ODA-Au-NPs-modified 1.6 m x 100 mu m i.d. fused silica capillary column. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: TITANIUM-DIOXIDE NANOPARTICLES ;  DOUBLE-STRANDED DNA ;  ELECTROKINETIC CHROMATOGRAPHY ;  MASS-SPECTROMETRY ;  STATIONARY-PHASE ;  ELECTROCHROMATOGRAPHIC SEPARATION ;  POLYSTYRENE NANOPARTICLES ;  PSEUDOSTATIONARY PHASE ;  SILICA NANOPARTICLES ;  ELECTROPHORESIS
语种: 英语
WOS记录号: WOS:000253560800009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140774
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.Yangzhou Univ, Coll Chem & Chem Engn, Jiangsu Key Lab Environm Mat & Environm Engn, Yangzhou 225002, Peoples R China
2.Shanghai Jiao Tong Univ, Sch Pharm, Shanghai 200030, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116011, Peoples R China

Recommended Citation:
Qu, Qi-Shu,Shen, Fei,Shen, Ming,et al. Open-tubular gas chromatography using capillary coated with octadecylamine-capped gold nanoparticles[J]. ANALYTICA CHIMICA ACTA,2008,609(1):76-81.
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