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Related Experiment Video

Updated: Feb 6, 2026

Shape Memory Polymers for Active Cell Culture

Shape Memory Polymers for Active Cell Culture

Published on: July 4, 2011

Stretchable Multiresponsive Hydrogel with Actuatable, Shape Memory, and Self-Healing Properties.

Feng Zhang¹, Ligui Xiong¹, Yongjian Ai¹

¹Key Laboratory of Chemical Biology (Ministry of Education) Beijing Key Laboratory of Microanalytical Methods and Instrumentation Department of Chemistry Tsinghua University Beijing 100084 China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|August 22, 2018

Summary

This summary is machine-generated.

Researchers developed a highly stretchable smart hydrogel with actuation, shape memory, and self-healing properties. This advanced material responds to triple external triggers, offering potential for soft robotics and electronic devices.

Keywords:

actuation multiresponsive hydrogels self‐healing properties shape memory stretchable materials

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Last Updated: Feb 6, 2026

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Area of Science:

Materials Science
Polymer Chemistry

Background:

Smart hydrogels exhibit responsive behaviors, but creating stretchable hydrogels with multiple stimulus-responsive properties remains challenging.
Developing advanced materials that integrate actuation, shape memory, and self-healing is crucial for next-generation technologies.

Purpose of the Study:

To engineer a highly stretchable hydrogel with integrated actuation, shape memory, and self-healing capabilities.
To demonstrate the hydrogel's response to triple external triggers for versatile applications.

Main Methods:

Rational engineering of multiple functional moieties within the hydrogel matrix.
Incorporation of a moisture-insensitive polymer film for hydroactuation.
Utilizing ionic crosslinking (multivalent cations) and dynamic borate ester (pH) for shape memory and self-healing.

Main Results:

Achieved a highly stretchable hydrogel (strain >15) with excellent fatigue resistance (100 cycles at 100% strain).
Demonstrated hydroactuated functionality and realized shape memory and self-healing properties.
Proof-of-concept demonstrated with deformable plastic flowers.

Conclusions:

Successfully integrated actuation, shape memory, and self-healing into a single, highly stretchable hydrogel.
The developed smart hydrogel shows significant potential for applications in electronic devices, soft robotics, and actuators.