Fig. 7From: Exposure to TiO2 nanoparticles increases Staphylococcus aureus infection of HeLa cellsConfocal microscopy pictures of HeLa control cells (a) and cells exposed to 0.1 mg/ml anatase (b), and rutile TiO2 (c) followed by exposure to S. aureus bacteria. The cells and bacteria were both stained green by SYTO 9. Arrows point to bacteria (green dots)Back to article page