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  • Title: A novel ratiometric fluorescent probe for selective detection and imaging of H2S.
    Author: Lv L, Luo W, Diao Q.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2021 Feb 05; 246():118959. PubMed ID: 32987270.
    Abstract:
    In this work, a novel phenoxazine-based fluorescent probe BPO-N3 was developed to detect H2S. The results showed that the probe had high selectivity and sensitivity toward H2S, and its detection mechanism was based the ratio between green and red fluorescence signals; its detection limit was as low as 30 nM. The fluorescent imaging experiments further showed that the probe BPO-N3 could successfully detect endogenous and exogenous H2S in living cells. This probe can be used as a powerful tool for in-depth study of H2S function in various physiological processes.
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