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Rectifying Memristor Bridge Circuit Realized with Human Skin.

Oliver Pabst1

  • 1Department of Physics, University of Oslo, Oslo, Norway.

Journal of Electrical Bioimpedance
|February 15, 2021
PubMed
Summary

Human skin exhibits memristor (memory resistor) properties, enabling its use as a frequency doubler and rectifier. This study demonstrates a memristor bridge utilizing the skin's non-linear electrical characteristics for novel electronic applications.

Keywords:
Bioimpedancehuman skinmemristornon-linear electrical measurementsrectification

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Area of Science:

  • Biophysics
  • Electrical Engineering
  • Materials Science

Background:

  • Human skin's electrical properties have been previously modeled as memristors (memory resistors).
  • Understanding these non-linear electrical characteristics is crucial for bioelectronic applications.

Purpose of the Study:

  • To construct a memristor bridge using human skin.
  • To investigate the application of human skin as a frequency doubler and half-wave rectifier.
  • To analyze the non-linear electrical measurements influenced by applied stimuli.

Main Methods:

  • A memristor bridge was created by applying voltages of opposite signs to two distinct skin sites.
  • Electrical measurements were conducted to assess the skin's response.

Main Results:

  • Human skin was successfully utilized as a frequency doubler.
  • Human skin functioned as a half-wave rectifier.
  • The electrical measurements confirmed the non-linear behavior of the skin, influenced by the applied stimulus.

Conclusions:

  • Human skin can be engineered into a functional memristor bridge.
  • The non-linear electrical properties of skin allow for signal processing applications like frequency doubling and rectification.
  • This research opens possibilities for novel bioelectronic devices leveraging skin's inherent memristive behavior.