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Issue 1, 2015
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Oligopeptide–heavy metal interaction monitoring by hybrid gold nanoparticle based assay

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Abstract

Phytochelatins are small peptides that can be found in several organisms, which use these oligopeptides to handle heavy metal elements. Here, we report a method for monitoring interactions between lead(II) ions in aqueous solutions and phytochelatin 6 oligopeptide bioconjugated onto pegylated gold nanorods (PEG-AuNrs). This study is the first step towards a high sensitive label free optical biosensor to quantify heavy metal pollution in water.

Graphical abstract: Oligopeptide–heavy metal interaction monitoring by hybrid gold nanoparticle based assay

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Publication details

The article was received on 13 Aug 2014, accepted on 10 Oct 2014 and first published on 10 Oct 2014


Article type: Paper
DOI: 10.1039/C4AN01491J
Author version available: Download Author version (PDF)
Citation: Analyst, 2015,140, 149-155
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    Oligopeptide–heavy metal interaction monitoring by hybrid gold nanoparticle based assay

    J. Politi, J. Spadavecchia, M. Iodice and L. de Stefano, Analyst, 2015, 140, 149
    DOI: 10.1039/C4AN01491J

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