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  • Title: G-quadruplex facilitated turn-off fluorescent chemosensor for selective detection of cupric ion.
    Author: Qin H, Ren J, Wang J, Wang E.
    Journal: Chem Commun (Camb); 2010 Oct 21; 46(39):7385-7. PubMed ID: 20830336.
    Abstract:
    A simple turn-off fluorescent method was utilized to quantitatively detect Cu(II) which can selectively quench fluorescent dye molecules. Addition of DNA G-quadruplex into the solution significantly magnifies the discrimination, lowers the limit of detection and broadens the linear response range.
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