US Patent 7535786 - Carbon nanohorn drug delivery

http://www.freepatentsonline.com/7537786.html

Sumio Iijima of NEC published the basic paper on carbon nanotubes which launched research on these materials. Now it appears the interest is on a noe form of carbon nanomaterial called nanohorns. This patent includes some basic claims to using carbon nanohorns for drug delivery. Claim 1 reads:

1. A complex of drug and carbon nanohorns, which complex comprises a metal-containing anti-cancer drug being adsorbed onto or included in oxidized porous carbon nanohorns.