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Due to the diffusion of severe pathogens, everyday life is exposed to the risks of contracting severe diseases. For this reason, efficient antimicrobial surfaces are of paramount importance. In this work we present the first evidences of a new technique to obtain an antibacterial ultra high molecular weight polyethylene based on a non-stoichiometric, visible light responsive, titanium oxide coating. The coating was obtained through a process in which titanium ions, resulting from laser ablation of a corresponding target, were accelerated and implanted on the samples. The samples were tested against a Staphylococcus aureus strain, in order to assay their antimicrobial efficacy. Results show that this treatment strongly discourages bacterial colonization of the treated surfaces.
Springer Berlin Heidelberg
Publication date: 
1 Oct 2014

D Delle Side, V Nassisi, E Giuffreda, L Velardi, P Alifano, A Talà, SM Tredici

Biblio References: 
Volume: 117 Issue: 1 Pages: 191-196
Applied Physics A