Silver has been known to kill germs since the Roman era. Nanohorizons incorporates it into socks to make stink-free gym socks, while Samsung sells an antibacterial washing machine that kills germs with nano silver.
Nanovations plans to sell the paint to hospitals. The paint, though, must be handled with care.
(Peterson, by the way, gets credit for coining the term "open source." She slipped the phrase in during a meeting with some early open-source pioneers, and it stuck.)