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Article
Visual test for melamine using silver nanoparticles modified with chromotropic acid
A simple and low-cost assay for melamine is introduced that is making use of silver nanoparticles (AgNPs) functionalized with chromotropic acid (CTA). The surface of the AgNPs was capped with chromotropic acid...
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Article
Colorimetric detection of Cr3+ using gold nanoparticles functionalized with 4-amino hippuric acid
A facile and effective technique for monitoring Cr3+ concentration based on 4-amino hippuric acid (PAH) decorated Au nanoparticles (PAH-AuNPs) is introduced. The modified AuNPs were easily aggregated in the prese...
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Article
Colorimetric detection of Cd2+ using 1-amino-2-naphthol-4-sulfonic acid functionalized silver nanoparticles
A colorimetric assay has been developed for facile, rapid, and sensitive detection of Cd2+ using 1-amino-2-naphthol-4-sulfonic acid functionalized silver nanoparticles (ANS-AgNPs). The presence of Cd2+ induces th...