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Platinum nanoparticles as pH sensor for intelligent packaging
Coutinho, Paulo J. G.; Benelmekki, M.; Teixeira, Vasco M. P.; Martins, Ana JoãoPt nanoparticles were produced by reverse micelle templating using DTAB. The resulting nanoparticles showes sizes between 250nm and 500nm and formed clusters. Thioglycolic acid (TGA) was covalently attached to the nanoparticle surface as a stabilizer and as. The Pt nanoparticles were dispersed in water and the dependence of its absorvance on the pH of the solution was studied. The spectra showed surface plamon ...
Data: 2012
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Origem: RepositóriUM - Universidade do Minho
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