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Visual colorimetric detection of berberine hydrochloride with silver nanoparticles

โœ Scribed by Jian Ling; You Sang; Cheng Zhi Huang


Book ID
108189533
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
505 KB
Volume
47
Category
Article
ISSN
0731-7085

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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