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Antibacterial potency of different deposition methods of silver and copper containing diamond-like carbon coated polyethylene

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Figure

Fig. 1 Scheme of deposition methods for ions: a) direct ion implantation (II), b) plasma immersion ion implantation (PIII); Note: II allowsincorporation of ions only on the sample surface struck by the ion beam; PIII allows homogenous incorporation of ions on complex shapedsurfaces due to liquid plasma state of the ion beam
Fig. 2 Analysis of bacterial growth (CFU: colony-forming units)
Fig. 3 Bacterial growth of S. epidermidis in the Cu- and Ag-DLC-PE testing group 1 with comparison of bactericidal potency of Ag- and Cu-ions(t = 0: before incubation; t = 24 h: after incubation); * = p < .05 (compared to untreated PE)
Fig. 5 SEM-images to exemplify biofilm formation on different polyethylene surfaces. Homogenous biofilm grade 5 after incubation withS

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