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Synthesis of Highly Fluorescent Gold Nanoparticles for Sensing Mercury(II)

Chih‐Ching Huang, Zusing Yang, Kun‐Hong Lee, Huan‐Tsung Chang

📄 Abstract

Quenching upon aggregation: 11-Mercaptoundecanoic acid (11-MUA)-protected Au nanoparticles (11-MUA-AuNPs) are much more stable and fluoresce much more strongly than the corresponding unmodified AuNPs. After addition of 2,6-pyridinedicarboxylic acid, the 11-MUA-AuNPs bind to HgII with both high sensitivity and selectivity.

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