T. Popescu, L. Cremer, M. Tudor, and A.-R. Lupu, “ROS-mediated Cytotoxicity and Macrophage Activation Induced by TiO2 Nanoparticles with Different in vitro Non-Cellular Photocatalytic Activities”, SEE J Immunol, vol. 2, no. 1, pp. 1–8, Apr. 2016.