In this work, were investigated the photocatalytic properties and radiopacity of titanium TiO2and zinc oxide Zn-ZnO nanopowders produced by the pulsed electron beam evaporation method in vacuum. Photocatalytic activity was measured based on the rate of decomposition of methyl violet by nanoparticles of various concentrations under the action of UV radiation. Radiopacity was evaluated by comparing the X-ray attenuation coefficients with Na-CMC buffer solution containing NPs test compounds and commercial iodine computer tomography contrast agent Ultravist®. In both cases, the NPs of zinc compounds showed more pronounced properties by accelerating the photodegradation reaction by 1.6 times, relative to the control sample and showing a attenuation factor of 70% of Ultravist®.
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