Open-tubular gas chromatography using capillary coated with octadecylamine-capped gold nanoparticles.

Open-tubular gas chromatography using capillary coated with octadecylamine-capped gold nanoparticles. Research Abstract Details 

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Open-tubular gas chromatography using capillary coated with octadecylamine-capped gold nanoparticles. Abstract Text:

Qi-Shu Qu,Fei Shen,Ming Shen,Xiao-Ya Hu,Gong-Jun Yang,Cheng-Yin Wang,Chao Yan,Yu-Kui Zhang,

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 approximately 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 microm i.d. fused silica capillary column.

Open-tubular gas chromatography using capillary coated with octadecylamine-capped gold nanoparticles. Publishing Authors By Initials

QS Qu,F Shen,M Shen,XY Hu,GJ Yang,CY Wang,C Yan,YK Zhang,

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Open-tubular gas chromatography using capillary coated with octadecylamine-capped gold nanoparticles. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Analytica chimica acta

VOLUME: 609

Page Numbers: 76-81

Journal Abbreviation: Anal. Chim. Acta

ISSN: 1873-4324

DAY: 4

MONTH: 01

YEAR: 2008

Open-tubular gas chromatography using capillary coated with octadecylamine-capped gold nanoparticles. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Open-tubular gas chromatography using capillary coated with octadecylamine-capped gold nanoparticles.

AFFILIATION: Jiangsu Key Laboratory of Environmental Materials and Environmental Engineering, College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China. quqishu@gmail.com

Country: Netherlands

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MEDLINETA: Anal Chim Acta

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