1. EU Commission Recommendation. 2011. Definition of nanomaterial. http://eurlex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2011:275:0038:0040:EN:PDF
2. P. Holister, J. Weener, C. Vas, T. Harper. 2003. Nanoparticles: Technology White Papers nr3. http://www.nanoparticles.org/pdf/Cientifica-WP3.pdf.
3. Nanomaterials: New Research Developments;Pertsov,2008
4. Nano-materials: prevalence in personal care products. http://www.ewg.org/skindeep/2007/08/25/hundreds-of-personal-care-products-contain-poorly-studied-nano-materials/.
5. Multimodal silica nanoparticles are effective cancer-targeted probes in a model of human melanoma;Benezra;J. Clin. Invest.,2011