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  • Title: An ultrasensitive electrochemical "turn-on" label-free biosensor for Hg2+with AuNP-functionalized reporter DNA as a signal amplifier.
    Author: Kong RM, Zhang XB, Zhang LL, Jin XY, Huan SY, Shen GL, Yu RQ.
    Journal: Chem Commun (Camb); 2009 Oct 07; (37):5633-5. PubMed ID: 19753381.
    Abstract:
    A highly selective electrochemical biosensor for the ultrasensitive detection of Hg2+ in aqueous solution has been developed based on the strong and specific binding of Hg2+ by two DNA thymine bases (T-Hg2+-T) and the use of AuNP-functionalized reporter DNA to achieve signal amplification.
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