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Colorimetric detection of Mn2+ using silver nanoparticles cofunctionalized with 4-mercaptobenzoic acid and melamine as a probe

โœ Scribed by Ying Zhou; Hong Zhao; Chang Li; Peng He; Wenbo Peng; Longfei Yuan; Lixi Zeng; Yujian He

Book ID
116905914
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
781 KB
Volume
97
Category
Article
ISSN
0039-9140

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Colorimetric detection of Cu2+ using 4-m
Colorimetric detection of Cu2+ using 4-mercaptobenzoic acid modified silver nanoparticles
โœ Ying Zhou; Hong Zhao; Yujian He; Nan Ding; Qian Cao ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 515 KB

A highly sensitive and selective method is proposed for colorimetric detection of copper ions using 4-mercaptobenzoic acid (4-MBA) modified silver nanoparticles (AgNPs). The presence of Cu2+ induces the aggregation of 4-MBA modified AgNPs, this resulting in a color change from bright yellow to purpl