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Glass-Based Biodegradable Pressure Sensor toward Biomechanical Monitoring with a Controllable Lifetime

Research output: Contribution to journal › Article › peer-review

Abstract

A New Class of Potentially Implantable Solid-State Sensors is Demonstrated Utilizing Biodegradable Glass as the Main Structural Material. the Device Behavior is Manipulated Via Chemical Decomposition, and Then Physically Disintegrated in a Controlled Manner. It is based on the Capacitive Sensing Mechanism, Comprising an Elastic Insulator between Two Borate-Rich Glass Substrates. This Mesoscale Pressure Sensor is Characterized by a Range of Pressure of Up to 14 MPa in a Phosphate Buffer Solution Environment. the Sensor Exhibits Good Sensitivity and Reversibility Responding to Compressive Pressures and Remains Fully Functional Before a Desired, Sudden Failure Caused by Dissolution. the Operational Lifetime Can Be Modified by Altering the Chemical Composition or Thickness of the Biodegradable Glass Component. the Proposed Device Concept is a Viable Option toward Various Temporary Implantable Devices Without Needing an Additional Surgical Procedure to Remove Them after their Duty.

Original languageAmerican English
Article number2500304
JournalIEEE Sensors Letters
Volume7
Issue number2
DOIs
StatePublished - Feb 1 2023

Keywords

  • biodegradable
  • glass
  • implantable
  • Mechanical sensors
  • pressure
  • sensor

Disciplines

  • Aerospace Engineering
  • Electrical and Computer Engineering
  • Mechanical Engineering

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