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Luminescent probes for hypochlorous acid in vitro and in vivo

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Abstract

HClO/ClO is the most effective antibacterial active oxygen in neutrophils. However, its excessive existence often leads to the destruction of human physiological mechanisms. In recent years, the developed luminescent probes for the detection of HClO/ClO are not only conducive to improve the sensitivity and selectivity of HClO/ClO detection, but also play a crucial role in understanding the biological functions of HClO/ClO. In addition, luminescent probe-based biological imaging for HClO/ClO at sub-cellular resolution has become a powerful tool for biopathology and medical diagnostic research. This article reviews a variety of luminescent probes for the detection of HClO/ClO in vitro and in vivo with different design principles and mechanisms, including fluorescence, phosphorescence, and chemiluminescence. The photophysical/chemical properties and biological applications of these luminescent probes were outlined. Finally, we summarized the merits and demerits of the developed luminescent probes and discussed their challenges and future development trends. It is hoped that this review can provide some inspiration for the development of luminescent probe-based strategies and to promote the further research of biomedical luminescent probes for HClO/ClO.

Graphical abstract: Luminescent probes for hypochlorous acid in vitro and in vivo

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Article information


Submitted
02 Apr 2020
Accepted
10 Jun 2020
First published
10 Jun 2020

Analyst, 2020, Advance Article
Article type
Critical Review

Luminescent probes for hypochlorous acid in vitro and in vivo

S. Dong, L. Zhang, Y. Lin, C. Ding and C. Lu, Analyst, 2020, Advance Article , DOI: 10.1039/D0AN00645A

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