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  • Title: Crown ether-containing Schiff base as a highly efficient "turn-on" fluorescent sensor for determination and separation of Zn2+ in water.
    Author: Safin DA, Babashkina MG, Garcia Y.
    Journal: Dalton Trans; 2013 Feb 14; 42(6):1969-72. PubMed ID: 23235741.
    Abstract:
    A highly efficient Zn(2+) "turn-on" fluorescent sensor, [4'-benzo-15-crown-5]N=CH-(2-OH-C(6)H(4)) (HL), has been synthesized. In the presence of Zn(NO(3))(2), displays high selectivity and sensitive enhancement of fluorescence intensity in water with the formation of [ZnL(2)]. Addition of an equimolar amount of KNO(3) to [ZnL(2)] leads to the formation of {[KZnL(2)]NO(3)}(n).
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