JOURNAL ARTICLE
Highly Selective Colorimetric Detection of Copper Ions Using Cysteamine Functionalized Gold Nanoparticles
Le LiZhiqin YuanPeng Xin-kaiLi LinHe JiantaiZhang Yang-de
Year: 2014 Journal: Journal of the Chinese Chemical Society Vol: 61 (12)Pages: 1371-1376 Publisher: Wiley
Abstract
Abstract In this study, we designed a system of integrating gold nanoparticles and cysteamine to detect Cu2+ based on a colorimetric strategy. The quantified limit of detection towards Cu2+ is 0.4 µM, which is ∼50 times lower than the maximum contamination level (∼20 µM) in drinking water permitted by US environmental protection agency. The practicality of this system was further validated by detecting Cu2+ in different water samples.
Keywords:
Cysteamine Chemistry Detection limit Colloidal gold Copper Nanoparticle Colorimetry Nanotechnology Nuclear chemistry Chromatography Organic chemistry
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20
Cited By
0.97
FWCI (Field Weighted Citation Impact)
42
Refs
0.72
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Citation History
Topics
Molecular Sensors and Ion Detection
Physical Sciences → Chemistry → Spectroscopy
Advanced biosensing and bioanalysis techniques
Life Sciences → Biochemistry, Genetics and Molecular Biology → Molecular Biology
Advanced Nanomaterials in Catalysis
Physical Sciences → Materials Science → Materials Chemistry
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