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Related Experiment Videos

Wireless resonant sensor array for high-throughput screening of materials.

Radislav A Potyrailo1, William G Morris

  • 1Chemical and Biological Sensing Laboratory, Materials Analysis and Chemical Sciences, Global Research Center, General Electric Company, Niskayuna, New York 12309, USA. potyrailo@crd.ge.com

The Review of Scientific Instruments
|August 4, 2007
PubMed
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We developed a wireless sensor array system for high-throughput screening of material properties. This system simplifies complex measurements of viscoelastic, gas-sorbing, and dielectric behaviors in challenging environments.

Area of Science:

  • Materials Science
  • Sensor Technology
  • Chemical Sensing

Background:

  • Combinatorial materials science requires screening of viscoelastic, gas-sorbing, and dielectric properties.
  • Impedance analysis is crucial for understanding material properties.
  • Wired sensor connections in test cells complicate measurements, especially for sensor arrays.

Purpose of the Study:

  • To develop a wireless proximity resonant sensor array system.
  • To overcome complications associated with wired sensor connections in test cells.
  • To enable high-throughput screening of materials in complex environments.

Main Methods:

  • Utilized an array of thickness-shear mode (TSM) resonators (10 MHz).
  • Integrated receiver coils (antennas) with each TSM resonator.

Related Experiment Videos

  • Employed a single scanning transmitter coil or an array of transmitter coils for wireless readout.
  • Applied polymeric sensing films and conditioned them at various temperatures.

    • Main Results:

    • Demonstrated a wireless sensor materials screening approach.
    • Successfully evaluated vapor-response patterns to ethanol, acetonitrile, and water vapors.
    • Showcased rapid evaluation of conditioned polymeric sensing films.

    Conclusions:

    • The wireless sensor array system effectively simplifies complex material property analysis.
    • This high-throughput method is suitable for evaluating materials in environments where wiring is impractical.
    • The system enables rapid assessment of sensor performance under varying conditions and vapor exposures.