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  • Title: Visualizing Hydrogen Sulfide in Mitochondria and Lysosome of Living Cells and in Tumors of Living Mice with Positively Charged Fluorescent Chemosensors.
    Author: Wu Z, Liang D, Tang X.
    Journal: Anal Chem; 2016 Sep 20; 88(18):9213-8. PubMed ID: 27537069.
    Abstract:
    Two fluorescent chemosenors, Mito-HS and Lyso-HS, were rationally designed and synthesized with positive charge at physiological conditions. The positive charge showed triple functions as target moieties for subcellular mitochondria and lysosome of living cells, soluble moieties for chemosenors, as well as effective sequesters of HS(-) (H2S at physiological conditions). These two probes showed faster and more efficient fluorescence H2S detection than the similar literature-reported probe without positive charge. In addition, visualizing of hydrogen sulfide in tumors of living mice was successfully achieved for the first time using the probe Mito-HS.
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