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Related Experiment Video

Updated: Jul 23, 2025

Author Spotlight: Development of Bio-Hybrid AFM Cantilevers for Quantitative Analysis of Mosquito Biting Mechanisms
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Published on: April 26, 2024

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A mosquito mouthpart-like bionic neural probe.

Yu Zhou1,2, Huiran Yang1,2, Xueying Wang1,2

  • 1State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China.

Microsystems & Nanoengineering
|July 14, 2023
PubMed
Summary

Inspired by mosquitoes, a new biomimetic neural probe system offers minimally invasive brain implantation. Its tactile sensors detect blood vessels, preventing damage during flexible electrode array insertion for neuroscience research.

Keywords:
BiosensorsElectrical and electronic engineering

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Area of Science:

  • Neuroscience
  • Biomimetics
  • Medical Device Engineering

Background:

  • Flexible neural probes offer improved stability and longevity over rigid devices for brain recordings.
  • Current implantation methods using shuttle devices face challenges with brain membranes and risk hidden damage to blood vessels.

Purpose of the Study:

  • To develop a biomimetic neural probe system inspired by mosquito mouthparts for minimally invasive brain implantation.
  • To integrate high-sensitivity sensors for real-time monitoring and early warning of intracranial structures, particularly blood vessels.

Main Methods:

  • Designed a neuroprobe system mimicking mosquito mouthpart anatomy, incorporating a tactile sensor module and a multichannel flexible electrode array.
  • Enabled distributed and minimally invasive implantation across brain regions without additional dural removal.
  • Utilized a tactile sensor array for nonvisual monitoring during implantation to detect soft tissues like vessels.

Main Results:

  • The system allows for distributed implantation across multiple brain regions, minimizing invasiveness.
  • Real-time tactile sensing provided early warnings for intracranial soft tissues, significantly reducing the risk of vascular injury.
  • Demonstrated exceptional sensitivity, adaptability, and outstanding performance in both short-term postoperative and long-term chronic neural recordings.

Conclusions:

  • The biomimetic neural probe system offers a promising solution for safer and more effective neural recording and stimulation.
  • This technology has significant potential for advancing neuroscience research and brain-machine interface applications.
  • Minimally invasive implantation with integrated safety monitoring enhances the utility of flexible neural probes.