Carlos E. Borato

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Atomic force spectroscopy (AFS) was used to measure interaction forces between the tip and nanostructured layers of poly(o-ethoxyaniline) (POEA) in pure water and CuSO4 solutions. When the tip approach and retraction were carried out at low speeds, POEA chains could be physisorbed onto the Si3N4 tip via nonspecific interactions. We conjecture that while(More)
There is an increasing concern with the quality of beverage products, like water, milk, wine and coffee. For wine, in particular, the evaluation is usually performed by human tasters, which may require a long time for their training. Moreover, the use of human tasters usually presents high financial and health costs and has a strong subjective component.(More)
Filmes ultrafinos de poli(o-etoxianilina)-POEA foram depositados sobre lâminas de quartzo pela técnica de automontagem a partir de soluções aquosas desse polímero em pH 3 e 5. A influência das condições de preparação sobre a quantidade de POEA adsorvida foi avaliada por meio de espectroscopia UV-Vis, microscopia de força atômica e voltametria cíclica.(More)
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