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Updated: May 2, 2026

Synthesis of Biocompatible Liquid Crystal Elastomer Foams as Cell Scaffolds for 3D Spatial Cell Cultures

Synthesis of Biocompatible Liquid Crystal Elastomer Foams as Cell Scaffolds for 3D Spatial Cell Cultures

Published on: April 11, 2017

Shape-responsive liquid crystal elastomer bilayers.

Aditya Agrawal¹, TaeHyun Yun, Stacy L Pesek

¹Chemical and Biomolecular Engineering, Rice University, Houston, Texas, USA. rafaelv@rice.edu.

|March 22, 2014

Summary

This summary is machine-generated.

This study shows liquid crystal elastomers (LCEs) can achieve complex shape changes like twisting and folding. These advanced shape-responsive materials offer new possibilities for programmable soft robotics and smart devices.

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Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Published on: February 6, 2016

Area of Science:

Materials Science
Polymer Chemistry
Soft Robotics

Background:

Monodomain liquid crystal elastomers (LCEs) exhibit shape-responsive properties.
Current LCE applications are limited to simple uniaxial shape changes.

Purpose of the Study:

To demonstrate complex surface patterns and shape changes in LCE-polystyrene (PS) bilayers.
To explore control over these shape changes using material parameters and temperature stimuli.

Main Methods:

Fabrication of LCE-PS bilayers with patterned polystyrene films.
Inducing shape changes through controlled temperature variations.
Utilizing finite element simulations to model and validate experimental observations.

Main Results:

Achieved complex shape changes including patterned wrinkles, helical twisting, and reversible folding in LCE-PS bilayers.
Demonstrated that shape changes are temperature-dependent and tunable via aspect ratio and film thicknesses.
Created a leaf-like elastomer that reversibly folds and unfolds with temperature changes.

Conclusions:

LCE-PS bilayers offer a versatile platform for complex, programmable shape transformations.
The ability to control shape through patterning and material parameters opens avenues for advanced soft actuators.
This work expands the utility of LCEs beyond simple extensions and contractions.