The influence of nano-scale surface roughness on bacterial adhesion to ultrafine-grained titanium.

  title={The influence of nano-scale surface roughness on bacterial adhesion to ultrafine-grained titanium.},
  author={Vi Khanh Truong and Rimma Lapovok and Yuri S Estrin and Stuart Rundell and James Li-Hsing Wang and Christopher J. Fluke and Russell J. Crawford and Elena P Ivanova},
  volume={31 13},
We discuss the effect of extreme grain refinement in the bulk of commercial purity titanium (CP, Grade-2) on bacterial attachment to the mechano-chemically polished surfaces of the material. The ultrafine crystallinity of the bulk was achieved by severe plastic deformation by means of equal channel angular pressing (ECAP). The chemical composition, wettability, surface topography and roughness of titanium surfaces were characterized using X-ray photoelectron spectroscopy (XPS) and water contact… CONTINUE READING
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