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Wireless sensor array system for combinatorial screening of sensor materials

Published online by Cambridge University Press:  26 February 2011

William Morris and
Radislav Potyrailo
William Morris
Affiliation:
morris@crd.ge.com, GE Global Research, Bldg K-1 Rm 2D63, 1 Research Circle, Niskayuna, NY, 12309, United States
Radislav Potyrailo
Affiliation:
potyrailo@crd.ge.com, United States
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Abstract

Screening of materials arrays for their viscoelastic, gas-sorbing, and electrical properties is important for a variety of practical applications ranging from sensor to protective coatings. Complex impedance analysis of the materials arrays is an attractive approach to analyze these materials properties. We developed a wireless proximity sensor array system for combinatorial screening of these types of materials and demonstrated its applicability for sensor materials. In the developed system, sensor materials are applied onto an array of resonators and arranged for performance testing in a test chamber. Each resonator is coupled to a receiver antenna. An array of these antennas is read with a single scanning transmitter antenna or an array of transmitter antennas. Such high-throughput screening approach of sensor materials permits their evaluation in complex environments where additional wiring is not desirable or adds a prohibitively complex design.

Keywords

combinatorial synthesispolymersensor

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