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A Forster Resonance Energy Transfer Switchable Fluorescent Probe With H2S-Activated Second Near-Infrared Emission for Bioimaging.


ABSTRACT: Real-time and accurate detection of endogenous hydrogen sulfide is of great biomedical significance. Here, a FRET-based fluorescent probe for ratiometric detection of H2S was designed to comprise an AIE luminophore TPE as an energy donor and a monochlorinated BODIPY dye as an energy acceptor and H2S-responsive site. Such a designed probe showed H2S-dependent ratiometric and light-up NIR-II emission, enabling accurate imaging of H2S-rich cancer cells and identification of H2S-rich tumors with high resolution.

SUBMITTER: Wang R 

PROVIDER: S-EPMC6886478 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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A Förster Resonance Energy Transfer Switchable Fluorescent Probe With H<sub>2</sub>S-Activated Second Near-Infrared Emission for Bioimaging.

Wang Rongchen R   Gao Wei W   Gao Jie J   Xu Ge G   Zhu Tianli T   Gu Xianfeng X   Zhao Chunchang C  

Frontiers in chemistry 20191125


Real-time and accurate detection of endogenous hydrogen sulfide is of great biomedical significance. Here, a FRET-based fluorescent probe for ratiometric detection of H<sub>2</sub>S was designed to comprise an AIE luminophore TPE as an energy donor and a monochlorinated BODIPY dye as an energy acceptor and H<sub>2</sub>S-responsive site. Such a designed probe showed H<sub>2</sub>S-dependent ratiometric and light-up NIR-II emission, enabling accurate imaging of H<sub>2</sub>S-rich cancer cells an  ...[more]

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