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(a) Photographs showing the spread of S. aureus on commercially pure titanium (cpTi), titanium nanotubes (NTs) and Ag-doped TNTs samples. (b) Antibacterial efficacy of all samples immersed in PBS for 3 h and 7 d. The error bars are the standard deviation (n = 5); * denotes p < 0.05 compared with cp-Ti at a 3 h ion extraction time, # denotes p < 0.05 compared with cp-Ti at 7 days ion extraction time. Reproduced with permission from [261]. Copyright Wiley, 2014.
