Context
Titanium dioxide and silver nanoparticles

Nanotechnologies are increasingly present in our daily lives, but often unbeknownst to us; however, some inventories are available and can be consulted.

The Woodrow Wilson Center in the USA offers two inventories, one general and one specifically dedicated to nano-silver. In 2006, the first published general inventory listed 356 products; in 2013, it counted 1,626, so the progression is very significant. The 1,626 products are distributed as follows:...