Nanoelectronic CO₂ Breath Sensors

May 12, 2005 By: A. Star et al, Nanomix Inc.

Application of chemical recognition layers to carbon nanotube field effect transistors (NTFET) can induce specificity to analytes of prime interest. In particular, employing pH sensitive polymer layers provides a facile route for the accurate detection of CO2 gas. Coupling the scalable processes for NTFET device fabrication and site- specific polymer deposition can provide an accessible method for producing thousands and even millions of tiny, robust gas sensors for airway monitoring.

Nanotech 2005 Conference Proceedings

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