Abstract
The antibacterial mechanism of GO in solution have been well studied, however, the antibacterial activity of GO as coating material in solid phase is still unclear. Here, we report a direct proof of the antibacterial mechanisms of GO coatings. Oxidative stress induced by GO coating was found to be an important reason for the prevention of bacteria colonization on the coating surface, since a ROS dependent antibacterial effect was detected in this study. This finding could help with understanding bacteria-GO solid surface interaction and further designing such antibacterial implant surfaces.
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