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Design and validation of the transparent oxygen sensor array.

B J Sargent1, D A Gough

  • 1Department of Applied Mechanics and Engineering Sciences, University of California, San Diego, La Jolla 92093.

IEEE Transactions on Bio-Medical Engineering
|May 1, 1991
PubMed
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A novel transparent oxygen sensor array enables continuous, multi-location monitoring of tissue oxygen levels and microvascular activity. This semiconductor-fabricated system offers customizable designs for various physiological applications.

Area of Science:

  • Biomedical Engineering
  • Physiological Monitoring
  • Sensor Technology

Background:

  • Accurate tissue oxygen monitoring is crucial for understanding physiological processes and disease states.
  • Existing methods for oxygen measurement may lack spatial resolution or the ability to integrate with visualization techniques.
  • Continuous, multi-site oxygen sensing on tissue surfaces presents a significant technical challenge.

Purpose of the Study:

  • To develop and characterize a novel transparent oxygen sensor array for simultaneous tissue oxygen monitoring and microvascular visualization.
  • To demonstrate the system's capability for detecting oxygen gradients and its performance in both in vitro and in vivo settings.

Main Methods:

  • Fabrication of a transparent, independently-connected oxygen sensor array on a glass plate using semiconductor-compatible techniques.

Related Experiment Videos

  • In vitro characterization of sensor performance, including oxygen sensitivity, signal stability, and gradient detection.
  • In vivo application of the sensor array for real-time monitoring of exteriorized tissues.

    • Main Results:

    • Successful development of a customizable transparent oxygen sensor array.
    • Demonstrated high oxygen sensitivity, signal stability, and ability to detect oxygen gradients in vitro.
    • Presented a proof-of-concept in vivo application showcasing simultaneous oxygen monitoring and microvascular visualization.

    Conclusions:

    • The developed oxygen sensor array provides a versatile platform for advanced physiological monitoring.
    • This technology facilitates simultaneous assessment of tissue oxygenation and microvascular dynamics.
    • The customizable nature of the sensor array allows for tailored applications in various research and clinical settings.