Issue 41, 2016, Issue in Progress

A diarylethene-based fluorescent chemosensor for the sequential recognition of Fe3+ and cysteine

Abstract

A new fluorescent chemosensor for the sequential recognition of Fe3+ and cysteine has been constructed based on photochromic diarylethene. It exhibits sequential recognition of Fe3+ and cysteine via an “on–off–on” molecular switch. The title compound can selectively and sensitively recognize Fe3+ in methanol, causing quenching of the fluorescence. Then, the formed complex was found to be a fluorescent chemosensor for cysteine with an increase in the fluorescence intensity. A detection limit as low as 4.09 × 10−8 mol L−1 for Fe3+ and 2.89 × 10−8 mol L−1 for cysteine was obtained. Moreover, a two input INHIBIT logic gate was fabricated by using Fe3+ and cysteine as inputs and taking I439 as the output.

Graphical abstract: A diarylethene-based fluorescent chemosensor for the sequential recognition of Fe3+ and cysteine

Supplementary files

Article information

Article type
Paper
Submitted
02 Mar 2016
Accepted
28 Mar 2016
First published
30 Mar 2016

RSC Adv., 2016,6, 34748-34753

A diarylethene-based fluorescent chemosensor for the sequential recognition of Fe3+ and cysteine

G. Liao, C. Zheng, D. Xue, C. Fan, G. Liu and S. Pu, RSC Adv., 2016, 6, 34748 DOI: 10.1039/C6RA05558C

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