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Issue 46, 2007
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Colorimetric Cu2+ detection with a ligation DNAzyme and nanoparticles

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Abstract

Using a Cu2+-dependent DNA ligation DNAzyme, a colorimetric sensor for Cu2+ has been developed based on directed assembly of DNA-functionalized gold nanoparticles by the ligation product, and such ligation DNAzyme-based sensors are intrinsically more sensitive than cleavage DNAzyme systems due to the lack of background.

Graphical abstract: Colorimetric Cu2+ detection with a ligation DNAzyme and nanoparticles

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Publication details

The article was received on 13 Aug 2007, accepted on 04 Oct 2007 and first published on 24 Oct 2007


Article type: Communication
DOI: 10.1039/B712421J
Citation: Chem. Commun., 2007,0, 4872-4874
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    Colorimetric Cu2+ detection with a ligation DNAzyme and nanoparticles

    J. Liu and Y. Lu, Chem. Commun., 2007, 0, 4872
    DOI: 10.1039/B712421J

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