1. Internal Report of the Project INESE (Impact of Nanoparticles in Environmental Sustainability and Ecotoxicity) supported by the Italian Institute of Technology 2006-2013.
2. www.manstore.co/purificup-nanosilver-membrane-filter-tap-water
3. www.epa.gov/oppsrrd1/REDs/factsheets/4082fact.pdf
4. https://www.princeton.edu/∼achaney/tmve/wiki100k/docs/Argyria.html
5. http://emergingtech.foe.org.au/sites/default/files/FOE_nanotech_food_report_low_res.pdf