Abstract

Nanosized alumina particles with modal diameters of 8 and 13 nm, respectively, were successfully coated by the adsorption of naproxen [(+)-6-methoxy-α-methyl-2-naphthalene acetic acid] and ketoprofen [α-methyl-3-(4-methylbenzoil) benzene acetic acid] in aqueous and ethanol solutions. The presence of the drugs at the alumina surface was confirmed by attenuated total reflection infrared spectroscopy and electrokinetic measurements, while their bound amounts were assessed by thermogravimetric analysis.

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