1. Ankamwar, B., Lai, T.C., Huang, J.H., Liu, R.S., Hsiao, M., Chen, C.H. and Hwu, Y.K. (2010): Biocompatibility of Fe3O4 nanoparticles evaluated by in vitro cytotoxicity assays using normal, glia and breast cancer cells. Nanotechnology, 21, 75102.
2. Bosi, S., Da Ros, T., Spalluto, G. and Prato, M. (2003): Fullerene derivatives: an attractive tool for biological applications. Eur. J. Med. Chem., 38, 913-923.
3. Donaldson, K., Tran, L., Jimenez, L.A., Duffin, R., Newby, D. E., Mills, N., MacNee, W. and Stone, V. (2005): Combustion-derived nanoparticles: a review of their toxicology following inhalation exposure. Part. Fibre Toxicol., 2, 10.
4. Elmore, A.R. (2003): Cosmetic Ingredient Review Expert Panel: Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate, sodium magnesium silicate, zirconium silicate, attapulgite, bentonite, Fuller’s earth, hectorite, kaolin, lithium magnesium silicate, lithium magnesium sodium silicate, montmorillonite, pyrophyllite, and zeolite. Int. J. Toxicol., 22 Suppl. 1, 37-102.
5. Figuerola, A., Di, C.R., Manna, L. and Pellegrino, T. (2010): From iron oxide nanoparticles towards advanced iron-based inorganic materials designed for biomedical applications. Pharmacol. Res., 62, 126-143.