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Diamond/graphite content and biocompatibility of DLC films fabricated by PLD
Authors:Miroslav Jelínek  Tomá? Kocourek  Jan Remsa  Jan Mik?ovsky  Josef Zemek  Karel Smetana Jr  Barbora Dvo?ánková  Thomas Luxbacher
Institution:(1) State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000, China;(2) National Centre for Advanced Tribology at Southampton (nCATS), School of Engineering Sciences, University of Southampton, Southampton, SO17 1BJ, UK;(3) Graduate University of Chinese Academy of Sciences, Beijing, 100039, China;
Abstract:Biocompatibility and physicochemical properties of diamond-like carbon (DLC) thin layers prepared by pulsed laser deposition method were studied. The films of high and low diamond/graphite content were prepared by changing the laser energy density on the graphite target from 4 to 11 J cm−2. The bonds and surface properties as roughness, atomic force microscopy topology, contact angle parameters, and zeta potential were measured. The cell adhesion/proliferation on DLC layers was tested using normal human fibroblasts and keratinocytes.
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