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  • Title: Fluorescence 'turn-on' sensor for F- derived from vitamin B6 cofactor.
    Author: Sharma D, Sahoo SK, Chaudhary S, Bera RK, Callan JF.
    Journal: Analyst; 2013 Jul 07; 138(13):3646-50. PubMed ID: 23696964.
    Abstract:
    A novel vitamin B6 Schiff base analog (L) was synthesized by combining vitamin B6 cofactor pyridoxal with 2-aminophenol. Receptor L displays a color change detectable by the naked-eye from yellow to red in the presence of fluoride and acetate due to the formation of hydrogen bonding host-guest complexes in 1 : 1 stoichiometry. Importantly, receptor L showed fluoride-selective 'turn-on' fluorescent response with a detection limit (3σ) of 7.39 × 10(-8) M.
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