A pyrene-based fluorescent and colorimetric chemodosimeter for the detection of ClO− ions

Yang Yang; Chao-Ying Gao; Jing Chen; Ning Zhang; Dewen Dong

doi:10.1039/C5AY02685G

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A pyrene-based fluorescent and colorimetric chemodosimeter for the detection of ClO⁻ ions†

Yang Yang,*^ab Chao-Ying Gao,^ab Jing Chen,^b Ning Zhang^a and Dewen Dong*^a

Author affiliations

* Corresponding authors

^a Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, PR China
E-mail: yangyang-000@163.com, dwdong@ciac.jl.cn

^b College of Chemistry and Chemical Engineering, Inner Mongolia University for the Nationalities, Tongliao 028000, PR China

Abstract

A bi-functional colorimetric and fluorescent chemodosimeter PYCN has been designed and synthesized by the simple condensation of 1-pyrenecarboxaldehyde and 2,3-diaminomaleonitrile. In aqueous media, the chemodosimeter PYCN exhibits remarkably enhanced absorbance, a color change from yellow to colorless, and significant “off–on” fluorescence with blue emission in response to hypochlorite anions. Based on the ClO⁻ promoted de-diaminomaleonitrile reaction, the application of this dye as a ratiometric optical chemodosimeter for ClO⁻ has been investigated in detail.

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Article information

DOI: https://doi.org/10.1039/C5AY02685G
Article type: Paper
Submitted: 10 Oct 2015
Accepted: 25 Nov 2015
First published: 02 Dec 2015

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Anal. Methods, 2016,8, 805-809

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A pyrene-based fluorescent and colorimetric chemodosimeter for the detection of ClO⁻ ions

Y. Yang, C. Gao, J. Chen, N. Zhang and D. Dong, Anal. Methods, 2016, 8, 805 DOI: 10.1039/C5AY02685G

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Analytical Methods