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  • Title: Highly selective and ultrasensitive detection of Hg(2+) based on fluorescence quenching of Au nanoclusters by Hg(2+)-Au(+) interactions.
    Author: Xie J, Zheng Y, Ying JY.
    Journal: Chem Commun (Camb); 2010 Feb 14; 46(6):961-3. PubMed ID: 20107664.
    Abstract:
    A simple label-free method for the detection of Hg(2+) ions with high selectivity and sensitivity has been developed by using fluorescent Au NCs in aqueous media. The sensing mechanism was based on the high-affinity metallophilic Hg(2+)-Au(+) interactions, which effectively quenched the fluorescence of Au NCs.
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