Colorimetric detection of melamine based on the size effect of AuNPs

A simple colorimetric detection of melamine was studied using 15 nm (AuNPs-I), 30 nm (AuNPs-II), and 40 nm (AuNPs-III) citrate-capped gold nanoparticles (AuNPs). The AuNPs aggregated in aqueous solution in the presence of melamine, showing a visual color change from red to blue. This color change le...

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Veröffentlicht in:	Analytical methods 2015-01, Vol.7 (4), p.1453-1462
Hauptverfasser:	Paul, Ida Evangeline, Rajeshwari, A., Prathna, T. C., Raichur, Ashok M., Chandrasekaran, N., Mukherjee, Amitava
Format:	Artikel
Sprache:	eng
Schlagworte:	Aqueous solutions Color Colorimetry Cost engineering Mathematical analysis Melamine Nanoparticles Visual
Online-Zugang:	Volltext
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