Journal
ANALYST
Volume 137, Issue 7, Pages 1556-1558Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2an16307a
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Funding
- National Key Basic Research Development Project of China [2010CB933602]
- National Natural Science Foundation of China [20890022]
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Colorimetric recognition and sensing of sulfide with high selectivity by virtue of glutathione-modified gold nanoparticle (GSH-AuNP) is presented. The assay is developed based on a specific anion-for-molecule ligand exchange reaction, through which sulfide replaces glutathione self-assembled on the AuNP. The unique feature of the GSH-AuNP probe makes it a novel colorimetric sensor for sulfide.
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