Abstract

Silver containing hybrid coatings were synthesized on titanium by sol–gel process. The specimens were studied by transmission electron microscopy, field-emission scanning electron microscopy, bonding test and bacterial counting method. The solid phase content of the sols was increased by the addition of TiO2 nanoparticles, which avoided the formation of microcracks on the coatings surface. The bonding strength of the coated groups showed a bonding strength improvement of 10.6% compared to the uncoated group. The percent reduction in bacterial count against Staphylococcus aureus seeded on silver containing hybrid coating surface was approximately 99.3% after 24h incubation, which indicated the strong antibacterial activity of the coating.

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