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A dual-site controlled fluorescent sensor for the facile and fast detection of H2O in D2O by two turn-on emission signals

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Abstract

Currently, fluorescent sensors for the detection of H2O in D2O are still quite rare. Herein, we present a dual-site controlled fluorescent sensor (CF-D2O) for the detection of H2O in D2O. As the H2O content in D2O decreases (namely, the purity of D2O increases), sensor CF-D2O provides two turn-on fluorescence signals. The response mechanism of sensor CF-D2O to H2O is based on the deprotonation of the two hydroxyl groups, as well as the FRET process between coumarin and xanthene units.

Graphical abstract: A dual-site controlled fluorescent sensor for the facile and fast detection of H2O in D2O by two turn-on emission signals

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Article information


Submitted
28 Nov 2019
Accepted
18 Dec 2019
First published
19 Dec 2019

Chem. Commun., 2020, Advance Article
Article type
Communication

A dual-site controlled fluorescent sensor for the facile and fast detection of H2O in D2O by two turn-on emission signals

B. Dong, Y. Lu, W. Song, X. Kong, Y. Sun and W. Lin, Chem. Commun., 2020, Advance Article , DOI: 10.1039/C9CC09268D

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