Issue 60, 2014
From the journal:

Chemical Communications

A colorimetric agarose gel for formaldehyde measurement based on nanotechnology involving Tollens reaction†

Jing-bin Zeng,*a   Shi-guang Fan,a   Cui-ying Zhao,a   Qian-ru Wang,a   Ting-yao Zhou,b   Xi Chen,b   Zi-feng Yan,*a   Yan-peng Li,a   Wei Xinga  and  Xu-dong Wang*cd  

* Corresponding authors

a State Key Laboratory of Heavy Oil Processing and College of Science, China University of Petroleum (East China), Qingdao, China
E-mail: xmuzjb@163.com, zfyancat@upc.edu.cn

b State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361005, China

c Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany
E-mail: xmuwxd@gmail.com

d Karlsruhe Institute of Technology (KIT), Institute for Biological Interfaces (IBG-1), Hermann-von-Helmholtz-Platz, 76344 Eggenstein-Leopoldshafen, Germany

Abstract

Gold nanoparticles (Au NPs) coupled with Tollens reagent were used for measuring formaldehyde. Au@Ag core–shell NPs were formed along with distinct color changes from pink to deep yellow. This colorimetric system was further immobilized into an agarose gel, which was used for monitoring of gaseous formaldehyde.

Graphical abstract: A colorimetric agarose gel for formaldehyde measurement based on nanotechnology involving Tollens reaction

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Article information

DOI
https://doi.org/10.1039/C4CC00914B
Article type
Communication
Submitted
04 Feb 2014
Accepted
06 May 2014
First published
08 May 2014

Chem. Commun., 2014,50, 8121-8123

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A colorimetric agarose gel for formaldehyde measurement based on nanotechnology involving Tollens reaction

J. Zeng, S. Fan, C. Zhao, Q. Wang, T. Zhou, X. Chen, Z. Yan, Y. Li, W. Xing and X. Wang, Chem. Commun., 2014, 50, 8121 DOI: 10.1039/C4CC00914B

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