Functionalized fluorescent gold nanodots: synthesis and application for Pb2+ sensing

Zhiqin Yuan; Meihua Peng; Yan He; Edward S Yeung

doi:10.1039/c1cc14872a

Functionalized fluorescent gold nanodots: synthesis and application for Pb2+ sensing

Chem Commun (Camb). 2011 Nov 21;47(43):11981-3. doi: 10.1039/c1cc14872a. Epub 2011 Sep 30.

Authors

Zhiqin Yuan¹, Meihua Peng, Yan He, Edward S Yeung

Affiliation

¹ College of Chemistry and Chemical Engineering, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, PR China.

PMID: 21960149
DOI: 10.1039/c1cc14872a

Abstract

We developed a novel strategy to prepare functionalized fluorescent gold nanodots (AuNDs) based on a ligand exchange reaction and demonstrated that glutathione modified AuNDs can be utilized for highly sensitive and selective Pb(2+) sensing in aqueous solution.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Fluorescent Dyes / chemistry*
Glutathione / chemistry
Gold / chemistry*
Hydrogen-Ion Concentration
Lead / analysis*
Metal Nanoparticles / chemistry*
Spectrophotometry, Ultraviolet*
Water Pollutants, Chemical / analysis*

Substances

Fluorescent Dyes
Water Pollutants, Chemical
Lead
Gold
Glutathione