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Volume 196, 2017
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A highly sensitive and selective fluorescent probe for hypochlorite in pure water with aggregation induced emission characteristics

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Abstract

As a reactive oxygen species (ROS), hypochlorite (OCl) plays a crucial role in oxidative stress and signal transduction, controlling a wide range of physiological functions. In addition, the wide use of OCl in the treatment of food and water might possibly threaten human health if the residual quantity was out of limits. Currently, sensitive methods employed to selectively monitor OCl in aqueous samples in situ are still scarce and badly needed. Boron esters or acids are considered to be suitable functional groups for the detection of hydrogen peroxide due to their reliable reactivity. In this work, we try to develop a highly sensitive and selective OCl probe (TPE2B) based on the mechanism of aggregation induced emission (AIE). Due to the distinct increase in water solubility of TPE2OH, which is generated from the reaction between TPE2B and OCl, the strong emission of TPE2B is quenched dramatically. The response speed was as fast as 30 seconds with a detection limit as low as 28 nM. Additionally, test papers were also fabricated and exhibited a highly sensitive response to 0.1 mM OCl.

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Publication details

The article was received on 09 Jul 2016, accepted on 28 Jul 2016 and first published on 28 Jul 2016


Article type: Paper
DOI: 10.1039/C6FD00168H
Citation: Faraday Discuss., 2017,196, 427-438
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    A highly sensitive and selective fluorescent probe for hypochlorite in pure water with aggregation induced emission characteristics

    C. Wang, H. Ji, M. Li, L. Cai, Z. Wang, Q. Li and Z. Li, Faraday Discuss., 2017, 196, 427
    DOI: 10.1039/C6FD00168H

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