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Updated: Jun 4, 2026

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators
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Published on: April 25, 2020

Recent advances in smart responsive actuators based on chitosan materials.

Shuai Yang1, Zijian Song1, Dawei Zhang2

  • 1School of Materials Science and Engineering, North University of China, Taiyuan, 030051, PR China; Shanxi Center of Technology Innovation for Polyamide Materials, North University of China, Taiyuan, 030051, PR China.

Carbohydrate Polymers
|June 2, 2026
PubMed
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Chitosan-based smart actuators offer biocompatible solutions for sensing and robotics. Future developments aim for precision, minimally invasive, and modular designs through AI integration.

Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Robotics

Background:

  • Smart responsive actuators are crucial for advanced detection and sensing technologies.
  • Chitosan is an ideal matrix for smart actuators due to its biocompatibility, biodegradability, and modifiability.
  • These actuators have potential applications in biomedical engineering, soft robots, wearable health monitoring, and human-computer interaction.

Purpose of the Study:

  • To review recent advancements in chitosan-based smart actuators.
  • To discuss various matrix material forms, stimuli types, and applications.
  • To identify current challenges and future trends in the field.

Main Methods:

  • Review of recent scientific literature on chitosan-based smart actuators.
Keywords:
ChitosanShape memory polymersSmart responsive actuatorsStimuli-responsive gels

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  • Categorization of actuators based on material forms (gels, polymers) and stimuli (moisture, pH, light, heat, electricity, magnetism).
  • Analysis of applications in biomedical engineering, soft robotics, and real-time monitoring.

    • Main Results:

    • Chitosan-based smart actuators demonstrate versatility across different stimuli and applications.
    • Significant progress has been made in developing stimuli-responsive gels and shape memory polymers from chitosan.
    • Key application areas include advanced prosthetics, minimally invasive surgical tools, and wearable sensors.

    Conclusions:

    • Chitosan-based smart actuators are a promising area with substantial potential in various high-tech fields.
    • Future research should focus on functional optimization, interdisciplinary integration, and artificial intelligence.
    • The trend is towards actuators that are more precise, minimally invasive, and modular.