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  • Title: A novel ratiometric fluorescent probe for "naked-eye" detection of sulfite ion: Applications in detection of biological SO32- ions in food and live cells.
    Author: Venkatachalam K, Asaithambi G, Rajasekaran D, Periasamy V.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2020 Mar 05; 228():117788. PubMed ID: 31757702.
    Abstract:
    A new "turn-on" luminescent probe PI has been designed and synthesized for the selective detection of sulfite ions based on the mechanism of nucleophilic addition. The designed probe PI owns naked eye detection, excellent selectivity, sensitivity, rapid response (150 s) and low limits of detection (LOD) of 0.57 μM, which is an agreeable limit by the world wide expert food additive committees. Furthermore, the probe PI was used to recognize the sulfite ions level in realistic samples and live cells.
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