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Publikováno v:
New J. Chem.. 38:717-722
A colorimetric gold nanoparticle-based sensor, a monolayer of poly(methylacrylic acid)-modified gold nanoparticles (PMAA@Au NPs), was developed for selective detection of Cr3+ ions in aqueous solution. In the presence of Cr3+, PMAA@Au NPs are aggrega