Selective colorimetric detection of Cr( <scp>iii</scp> ) and Cr( <scp>vi</scp> ) using gallic acid capped gold nanoparticles

Dong, Chen; Wu, Genhua; Wang, Zhuqing; Ren, Wenzhi; Zhang, Yujie; Shen, Zheyu; Li, Tianhua; Wu, Aiguo

doi:10.1039/c5dt04099j

Public

Selective colorimetric detection of Cr( iii ) and Cr( vi ) using gallic acid capped gold nanoparticles

Published in Dalton Transactions • Nov 11, 2015

Authors:

Chen Dong

Genhua Wu

Zhuqing Wang

Abstract

A colorimetric assay is proposed for the selective detection of Cr(iii) and Cr(vi) via the aggregation-induced color change of gallic acid capped gold nanoparticles (GA-AuNPs). The AuNPs are characterized using UV-vis spectroscopy, transmission electron microscopy (TEM), dynamic light scattering (DL...

Subject

Gallic acid

Nanoparticle

Chemistry

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