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Issue 49, 2015
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Monolayer protected gold nanoparticles with metal-ion binding sites: functional systems for chemosensing applications

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Abstract

In this review we describe the use of monolayer protected gold nanoparticles (Au NPs) for chemosensing applications. The attention is focused on a special subclass of Au NPs, namely those that contain binding sites for metal ions in the monolayer. It will be shown that these systems are very well-equipped for metal ion sensing as the complexation of the metal ions can affect the properties of the system in many ways leading to detectable output signals even at very low analyte concentrations. In addition, the presence of metal ions in the monolayer themselves can serve as recognition units for the highly selective interaction with small organic molecules or biomacromolecules. Key examples will be discussed that underscore the attractive properties and potential of this class of Au NPs as components of chemosensing assays.

Graphical abstract: Monolayer protected gold nanoparticles with metal-ion binding sites: functional systems for chemosensing applications

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Publication details

The article was received on 28 Jan 2015, accepted on 28 Apr 2015 and first published on 29 Apr 2015


Article type: Feature Article
DOI: 10.1039/C5CC00814J
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Chem. Commun., 2015,51, 9922-9931

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    Monolayer protected gold nanoparticles with metal-ion binding sites: functional systems for chemosensing applications

    C. Pezzato, S. Maiti, J. L.-Y. Chen, A. Cazzolaro, C. Gobbo and L. J. Prins, Chem. Commun., 2015, 51, 9922
    DOI: 10.1039/C5CC00814J

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