Biocompatibility of Surfaces of TiCN Thin Films

Abstract:

A series of titanium carbonitride (TiCN) films with differing C content were deposited by cathodic arc evaporation of pure Ti in a gas composite environment of N₂ and C₂H₂. The increase of the C₂H₂ fraction in the gas environment leads to a continuous increase in the deposition rate of the TiCN thin films, as well as an increase in the adhesion of the films to the substrate. To evaluate the interaction of the material with the bacteria Escherichia coli CCM 3954 a method was used based on the ČSN EN ISO 56 0100 standard. The bacteria were inoculated in a liquid culture medium. It was observed that the monitored surfaces support the development of bacterial populations of E. coli depending on the type of TiCN thin films.

• Periodical: Defect and Diffusion Forum (Volume 368)
• Pages: 64-68
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.368.64
• Online since: July 2016
• Authors: Totka Bakalova*, Lucie Svobodová, Adéla Coufalová, Nikolay Petkov, Pavel Kejzlar, Petr Louda, Lukáš Voleský
• Keywords: Biocompatibility, Implants, Roughness, Thin Films, TiCN

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