US Patent 7956427 - Nanowire chemfet

http://www.freepatentsonline.com/7956427.html

This patent from Charles Lieber's group at Harvard has priority going back to 2000 and includes some basic claims for nanowire ChemFETs. Claim 1 reads:

1. An article comprising: a field effect transistor comprising a semiconductor nanowire and a polymer material deposited on the semiconductor nanowire.