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  • Title: Novel indole based colorimetric and "turn on" fluorescent sensors for biologically important fluoride anion sensing.
    Author: Li Q, Guo Y, Xu J, Shao S.
    Journal: J Photochem Photobiol B; 2011 May 03; 103(2):140-4. PubMed ID: 21463952.
    Abstract:
    A novel indole Hydrazone receptor 1 has been synthesized by one step of condensation, which can act as an efficient colorimetric and "turn on" fluorescent sensor for fluoride anions; Benesi-Hildebrand equation indicates that 1 associates with F(-) in a 1:1 stoichiometry; [TBA]OH and (1)H NMR titration experiments indicate that the deprotonation process involved upon addition of fluoride anions.
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