Jan 5, 2007
RFID for chemicals
A new type of radio frequency identification (RFID) sensor for gaseous molecules has been created based on a standard RFID tag coated with a chemically sensitive film at low cost. The use of multivariate analysis allows these new RFID sensors to be used to identify and quantify vapours important to industrial, in health, law enforcement, and of security applications.
Radislav Potyrailo and William Morris of the Materials Analysis and Chemical Sciences Technology at General Electric Global Research Center, in Niskayuna, New York, explain the benefits of their new technology in a forthcoming issue of the journal Analytical Chemistry. “Distributed sensor networks are critical for numerous applications such as monitoring of transport of pollution plumes across the perimeters of industrial plants, leak detection from storage tanks, health monitoring of buildings, large-area tracking of contamination sources in natural water supplies, and spatially resolved combinatorial screening of materials,” they explain.
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