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Updated: Jun 18, 2026

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
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Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets

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An embedded PDMS nanocomposite strain sensor toward biomedical applications.

Chao-Xuan Liu1, Jin-Woo Choi

  • 1Department of Electrical and Computer Engineering, Louisiana State University, Baton Rouge, LA 70803, USA.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|December 8, 2009
PubMed
Summary

This study introduces a new biocompatible strain gauge using poly(dimethylsiloxane) and carbon nanotubes. The sensor demonstrates reliable performance for implantable biomedical devices, showing potential for advanced medical applications.

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Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Nanotechnology

Background:

  • Biocompatible materials are crucial for implantable medical devices.
  • Strain gauges are essential for monitoring physiological changes.
  • Developing robust and sensitive strain sensors for biomedical applications remains a challenge.

Purpose of the Study:

  • To develop and characterize a novel nanocomposite strain gauge.
  • To evaluate its suitability for miniaturized implantable biomedical devices.
  • To explore its potential in biomedical sensing applications.

Main Methods:

  • Fabrication of a nanocomposite using poly(dimethylsiloxane) and multi-walled carbon nanotubes.
  • Characterization of mechanical and piezoresistive properties.

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Last Updated: Jun 18, 2026

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
09:38

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets

Published on: November 7, 2016

Production of a Strain-Measuring Device with an Improved 3D Printer
06:17

Production of a Strain-Measuring Device with an Improved 3D Printer

Published on: January 30, 2020

Environmentally-controlled Microtensile Testing of Mechanically-adaptive Polymer Nanocomposites for ex vivo Characterization
11:38

Environmentally-controlled Microtensile Testing of Mechanically-adaptive Polymer Nanocomposites for ex vivo Characterization

Published on: August 20, 2013

  • Testing sensor response to tensile strain and cyclic loading via microcontact printing and cast molding.

    • Main Results:

    • The nanocomposite strain gauge exhibited excellent mechanical properties and high sensitivity to tensile strain.
    • The sensor demonstrated consistent and repeatable measurements over multiple stretching and relaxing cycles.
    • A notable hysteresis phenomenon was observed during strain cycling.

    Conclusions:

    • The developed strain gauge shows significant promise for miniaturized implantable biomedical devices due to its biocompatibility and robust performance.
    • Further research into the elastomeric mechanisms could unlock broader biomedical applications for this strain sensing technology.
    • The fabrication method is simple and efficient, facilitating potential scalability.