A portable sensor device incorporates a low-power, nanostructure sensor coupled to a wireless transmitter. The sensor uses a nanostructure conducting channel, such as a nanotube network, that is functionalized to respond to a selected analyte. A measurement circuit connected to the sensor determines...http://www.google.com/patents/US7522040?utm_source=gb-gplus-sharePatent US7522040 - Remotely communicating, battery-powered nanostructure sensor devices
