Fig. 4From: Exposure to TiO2 nanoparticles increases Staphylococcus aureus infection of HeLa cellsTEM cross sections of HeLa cells exposed to a 0.1 mg/ml rutile and b 0.1 mg/ml anatase, TEM cross sections of HeLa cells treated with bafilomycin prior to exposure to c 0.1 mg/ml rutile, and d 0.1 mg/ml anatase; e number of vacuoles per HeLa cell exposed TiO2 with and without bafilomycin pre-treatment. *Means P < 0.05Back to article page