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Optical Control of Living Cells Electrical Activity by Conjugated Polymers
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Optoelectronic Interfaces for Nongenetic Modulation of Excitable Tissues.

Qi Wang1, Jinghua Li1,2

  • 1Department of Materials Science and Engineering, The Ohio State University, Columbus, OH, 43210, USA.

Small Methods
|October 1, 2025
PubMed
Summary

Nongenetic optoelectronic interfaces offer a promising, minimally invasive alternative for modulating excitable tissues like neurons and cardiomyocytes. These advanced light-based systems provide high precision for neurological and cardiac disorder research and therapies.

Keywords:
cardiac stimulationflexible electronicsneuromodulationnongenetic modulationoptoelectronics

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Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Cardiology

Background:

  • Precise control of excitable tissues (neurons, cardiomyocytes) is vital for physiological understanding and treating neurological/cardiac disorders.
  • Conventional methods (electrical, pharmacological, optogenetics) have limitations: invasiveness, poor resolution, or genetic modification needs.
  • Optoelectronic interfaces present a wireless, nongenetic alternative with high spatiotemporal resolution and reduced invasiveness.

Purpose of the Study:

  • To summarize recent advancements in nongenetic optoelectronic modulation strategies.
  • To discuss material selection, device design, working principles, and fabrication techniques.
  • To explore characterization methods and applications in cardiac and nervous systems.

Main Methods:

  • Review of recent literature on optoelectronic interfaces for tissue modulation.
  • Discussion of material science, device engineering, and fabrication processes.
  • Analysis of characterization techniques and in vitro/in vivo validation.

Main Results:

  • Optoelectronic platforms enable wireless, nongenetic modulation with high spatiotemporal precision.
  • Various materials, designs, and fabrication methods are explored for diverse applications.
  • Successful applications demonstrated in cardiac and nervous system models.

Conclusions:

  • Nongenetic optoelectronic modulation is a rapidly advancing field with significant potential.
  • These technologies offer a promising avenue for fundamental research and next-generation therapeutics.
  • Future directions include further development for clinical translation in neurological and cardiac disorders.