We develop a new method for the simultaneous detection of Hg2+ and Ag+ by integrating bifunctional strand displacement amplification and multiplexed short linear quencher–fluorophore probes. This method exhibits excellent specificity and high picomolar sensitivity, which is improved by up to 4 orders of magnitude compared to the current approaches for metal ion assay.
G. Zhu, Y. Li and C. Zhang, Chem. Commun., 2014, 50, 572 DOI: 10.1039/C3CC46884D
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