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  • Title: Red-emitting fluorescent probe for detecting hypochlorite acid in vitro and in vivo.
    Author: Chen H, Sun T, Qiao XG, Tang QO, Zhao SC, Zhou Z.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2018 Nov 05; 204():196-202. PubMed ID: 29935390.
    Abstract:
    Due to the importance of hypochlorous acid (HClO) in biological and industrial, development of fluorescent probes for HClO has been an active research area. Here, a new red-emitting ratiometric fluorescent probe (P) was synthesized and well defined characterization via NMR, HR-MS, and fluorescence spectrum, which serves as a selective and sensitive probe for ClO- group. The probe showed a ratiometric fluorescent response to hypochlorite at the emission intensities ratio (I480/I612) increasing from 0.28 to 27.46. The emission intensities ratio (I480/I612) was linearly enhanced (I480/I612 = 0.064 X + 0.096) with the ClO- concentration range from 1 to 30 μM. The detection limitation for ClO- in aqueous solution is 0.47 μM. Moreover, this biocompatible red-emitting ratiometric fluorescent probe was utilized to the fluorescence imaging of ClO- in living cells and Zebrafish.
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