Issue 52, 2014
From the journal:

RSC Advances

A novel and environmentally friendly colorimetric method for detection of cystine in human urine using unmodified gold nanoparticles†

Li-Qiang Lu,*a   Qian Gao,a   Chi Song,a   Xi-Ke Tiana  and  An-Wu Xub  

* Corresponding authors

a Nano-Mineral Materials and Application Engineering Research Center of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, P. R. China
E-mail: llqdick@cug.edu.cn

b Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, University of Science and Technology of China, Hefei 230026, P. R. China

Abstract

Cystine was reduced by ascorbic acid to cysteine, which induced the aggregation of unmodified gold nanoparticles. The accompanied color change was distinguishable and perceivable by the naked eye. This facile assay method was successfully applied to the detection of cystine in human urine.

Graphical abstract: A novel and environmentally friendly colorimetric method for detection of cystine in human urine using unmodified gold nanoparticles

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Article information

DOI
https://doi.org/10.1039/C4RA04552A
Article type
Communication
Submitted
15 May 2014
Accepted
09 Jun 2014
First published
09 Jun 2014

RSC Adv., 2014,4, 27297-27300

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A novel and environmentally friendly colorimetric method for detection of cystine in human urine using unmodified gold nanoparticles

L. Lu, Q. Gao, C. Song, X. Tian and A. Xu, RSC Adv., 2014, 4, 27297 DOI: 10.1039/C4RA04552A

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