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Related Experiment Video

Updated: May 27, 2026

Light-mediated Formation and Patterning of Hydrogels for Cell Culture Applications

Light-mediated Formation and Patterning of Hydrogels for Cell Culture Applications

Published on: September 29, 2016

Digital Light Processing of Three-dimensional Liquid Metal Hydrogels.

Junjie Du^1,2, Yuting Wang^1,2, Wenbo Zhao²

¹Key laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, Ningbo, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)

|May 26, 2026

Summary

Researchers developed advanced 3D liquid metal (LM) hydrogels using digital light processing. These novel materials offer high precision and enhanced properties for flexible electronics and soft robotics applications.

Keywords:

4D printing digital light processing liquid metal hydrogel orthogonal encryption display soft robot

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Last Updated: May 27, 2026

Light-mediated Formation and Patterning of Hydrogels for Cell Culture Applications

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Published on: September 29, 2016

Fabrication of Micropatterned Hydrogels for Neural Culture Systems using Dynamic Mask Projection Photolithography

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Published on: February 11, 2011

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

Published on: July 18, 2018

Area of Science:

Materials Science
Robotics
Electronics

Background:

Liquid metal (LM) hydrogels are promising for flexible electronics and soft robotics.
Current LM hydrogels face limitations in structural complexity, precision, and functional design.

Purpose of the Study:

To demonstrate the first digital light processing (DLP) of 3D LM hydrogels with micrometer precision.
To develop a universal strategy for creating arbitrarily architected 3D LM hydrogels.

Main Methods:

Encapsulation of LM droplets with sodium alginate (SA) to create photo-curable resins.
Utilizing DLP for precise 3D fabrication of LM hydrogels.
Characterization of mechanical, electrical, and thermal properties.

Main Results:

Achieved micrometer precision (10 µm) in 3D LM hydrogel fabrication.
Developed SA-coated inks preventing sedimentation and maintaining photo-curing properties.
Demonstrated enhanced tensile stretchability (2000%) and cycling stability (800 cycles at 500% strain).
Exhibited tunable photothermal responsivity and enhanced sensitivity.

Conclusions:

The developed DLP method enables the creation of complex, high-performance 3D LM hydrogels.
These advanced hydrogels show superior mechanical and functional properties compared to existing materials.
Potential applications include advanced strain sensors, robotics, and anti-counterfeiting systems.