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  • Title: Simple, rapid and label-free colorimetric assay for Zn2+ based on unmodified gold nanoparticles and specific Zn2+ binding peptide.
    Author: Li W, Nie Z, He K, Xu X, Li Y, Huang Y, Yao S.
    Journal: Chem Commun (Camb); 2011 Apr 21; 47(15):4412-4. PubMed ID: 21394330.
    Abstract:
    A simple strategy based on unmodified AuNPs and specific Zn(2+) binding peptide is exploited here as a new label-free mechanism for the rapid colorimetric Zn(2+) assay.
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