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Issue 33, 2011
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Molecular sensitivity of DNA–Ag–PATP hybrid on optical activity for ultratrace mercury analysis

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Abstract

The para-aminothiophenol (PATP), in which the thiol groups adsorbed on the Ag surface and the amino groups coordinated with Hg2+, can mediate the aggregation of sunlight-reduced λ-DNA-templated Ag nanoparticles, resulting in high molecular sensitivity of this hybrid on optical activity. Sub-pM levels of Hg2+ assays were achieved based on this molecular stepwise assembly.

Graphical abstract: Molecular sensitivity of DNA–Ag–PATP hybrid on optical activity for ultratrace mercury analysis

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Publication details

The article was received on 05 Jun 2011, accepted on 04 Jul 2011 and first published on 18 Jul 2011


Article type: Communication
DOI: 10.1039/C1CC13336E
Citation: Chem. Commun., 2011,47, 9360-9362
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    Molecular sensitivity of DNA–Ag–PATP hybrid on optical activity for ultratrace mercury analysis

    H. Liu, L. Yang, H. Ma, Z. Qi and J. Liu, Chem. Commun., 2011, 47, 9360
    DOI: 10.1039/C1CC13336E

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