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  • Title: Terphenyl derivatives as "turn on" fluorescent sensors for mercury.
    Author: Bhalla V, Tejpal R, Kumar M, Sethi A.
    Journal: Inorg Chem; 2009 Dec 21; 48(24):11677-84. PubMed ID: 19877709.
    Abstract:
    New terphenyl-based reversible receptors 1-4 with pyrene and quinoline as the fluorophores have been designed, synthesized, and examined for their cation recognition abilities toward various cations (Sm(3+), Nd(3+), Pb(2+), Hg(2+), Ba(2+), Cd(2+), Ag(+), Zn(2+), Cu(2+), Ni(2+), Co(2+), Fe(2+), Fe(3+), K(+), Mg(2+), Na(+), and Li(+)) by UV-vis, fluorescence, and NMR spectroscopy. The prepared receptors showed the highly selective and sensitive "Off-On" fluorescence signaling behavior for Hg(2+) ions in THF and mixed aqueous media (THF:H(2)O, 9.5:0.5).
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