Issue 78, 2014
From the journal:

Chemical Communications

Rapid, selective, and sensitive fluorometric detection of cyanide anions in aqueous media by cyanine dyes with indolium–coumarin linkages†

Yasuhiro Shiraishi,*a   Masaya Nakamura,a   Kohei Yamamotoa  and  Takayuki Hiraia  

* Corresponding authors

a Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
E-mail: shiraish@cheng.es.osaka-u.ac.jp
Fax: +81 6 6850 6273
Tel: +81 6 6850 6271

Abstract

Cyanine dyes with indolium–coumarin linkages exhibit selective fluorescence enhancement for cyanide anions (CN−) via the nucleophilic interaction of CN− with their indolium carbon atoms. This facilitates rapid (detection time: 1 min) and sensitive (detection limit: 0.4 μM) sensing of CN− in aqueous media.

Graphical abstract: Rapid, selective, and sensitive fluorometric detection of cyanide anions in aqueous media by cyanine dyes with indolium–coumarin linkages

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Article information

DOI
https://doi.org/10.1039/C4CC05412A
Article type
Communication
Submitted
14 Jul 2014
Accepted
05 Aug 2014
First published
05 Aug 2014

Chem. Commun., 2014,50, 11583-11586

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Rapid, selective, and sensitive fluorometric detection of cyanide anions in aqueous media by cyanine dyes with indolium–coumarin linkages

Y. Shiraishi, M. Nakamura, K. Yamamoto and T. Hirai, Chem. Commun., 2014, 50, 11583 DOI: 10.1039/C4CC05412A

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