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Related Experiment Video

Updated: Mar 22, 2026

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing
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Nanofiber-Based Electroactive Interfaces Enabling Coordinated Neuromodulation and Peripheral Nerve Regeneration.

Lulu Sun1,2, Feng Xiong1,2, Bowen Gong1,2

  • 1Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
|March 20, 2026
PubMed
Summary
This summary is machine-generated.

Flexible nanofibers with conductive shells enable nerve repair and electrical modulation. This bioelectronic interface material supports nerve regeneration and function, offering a promising solution for peripheral nerve injuries.

Keywords:
electroactive nanofibersflexible bioelectrodesnerve guide conduitnerve regeneration

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Area of Science:

  • Biomaterials Science
  • Neuroscience
  • Regenerative Medicine

Background:

  • Peripheral nerve repair and modulation require advanced bioelectronic interfaces.
  • Existing conductive materials face challenges like unstable conductivity and mechanical mismatch.
  • These limitations hinder effective nerve regeneration and long-term neuromodulation.

Purpose of the Study:

  • To develop flexible, electroactive core-shell nanofibers for enhanced bioelectronic interfaces.
  • To integrate mechanical compliance, conductivity, and stability for nerve repair applications.
  • To evaluate the efficacy of these nanofibers in nerve stimulation, recording, and regeneration.

Main Methods:

  • Fabrication of poly(ε-caprolactone) (PCL) core and PEDOT:PSS/polyurethane (PEDOT:PSS/PU) shell nanofibers using coaxial electrospinning.
  • Assembly of nanofibers into flexible bioelectrodes for neural stimulation and recording.
  • Processing nanofibers into nerve guidance conduits for bridging nerve gaps.

Main Results:

  • The core-shell nanofibers demonstrated continuous conductivity, mechanical compliance, and operational stability.
  • Flexible bioelectrodes facilitated effective stimulation and high-fidelity neural recording in peripheral nerves with minimal tissue damage.
  • Nerve guidance conduits promoted axonal regeneration, remyelination, and motor functional recovery in a rat sciatic nerve defect model.

Conclusions:

  • The developed nanofiber platform offers synergistic structural repair and electrical modulation for peripheral nerves.
  • This strategy presents a promising approach for advanced bioelectronic interfaces in tissue regeneration.
  • The material design addresses key limitations of current technologies for neuromodulation and nerve repair.