Figure 5.

Effect of TiO₂ nanotubes coatings enriched with silver nanoparticles in PEALD process with 25 cycles on the murine fibroblasts L929 adhesion (after 24 h) and proliferation (after 72 h) detected by MTT assay. The absorbance values are expressed as means ± SEM of three independent experiments. Asterisks indicate significant differences between the fibroblasts incubated with Ti6Al4V alloy references sample (Ti6Al4V) compared to the tested TNT/Ag at appropriated incubation time (* p < 0.05, ** p < 0.01, *** p < 0.001, respectively). $ marks denote significant differences between the cells incubated with TNT/Ag for 24 h compared to 72-h incubation time (^$ p < 0.05, ^$$ p < 0.01, ^$$$ p < 0.001, respectively).