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Related Experiment Video

Updated: Feb 16, 2026

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing
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Implantable, wireless device platforms for neuroscience research.

Philipp Gutruf1, John A Rogers1

  • 1Departments of Materials Science and Engineering, Biomedical Engineering, Chemistry, Neurological Surgery, Mechanical Engineering, Electrical Engineering and Computer Science, Simpson Querrey Institute & Feinberg Medical School, 2145 Sheridan Road, Evanston, IL 60208, United States.

Current Opinion in Neurobiology
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Ultraminiaturized wireless devices offer advanced neuroscience research tools for precise neural circuit manipulation. These implantable systems enable new experimental possibilities in naturalistic settings, overcoming limitations of traditional tethered hardware.

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Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Materials Science

Background:

  • Conventional neuroscience research is limited by tethered hardware (optical fibers, cables, tubing).
  • Need for advanced tools to study neural circuits with greater precision and flexibility.

Purpose of the Study:

  • Introduce ultraminiaturized wireless devices for neuroscience research.
  • Highlight capabilities for optogenetics, pharmacological delivery, and physiological measurements.
  • Demonstrate enhanced experimental possibilities beyond traditional methods.

Main Methods:

  • Development of implantable, biocompatible ultraminiaturized wireless devices.
  • Integration of semiconductor device designs and systems engineering.
  • Leveraging advances in materials science for device fabrication.

Main Results:

  • Devices function as wireless light sources for optogenetics (stimulation/inhibition).
  • Integrated microfluidic systems allow programmed pharmacological delivery.
  • Multimodal sensors enable real-time physiological measurements.
  • Enabled studies in naturalistic 3D environments and social interactions.

Conclusions:

  • Ultraminiaturized wireless devices represent a significant advancement in neuroscience research tools.
  • These technologies offer qualitatively distinct modes of operation compared to conventional approaches.
  • Enable unprecedented insights into neural function through precise manipulation and recording.