Related Experiment Video
Updated: Feb 17, 2026
13:38
Synthesis of Biocompatible Liquid Crystal Elastomer Foams as Cell Scaffolds for 3D Spatial Cell Cultures
Published on: April 11, 2017
10.1K
Liquid crystal elastomer foams with elastic properties specifically engineered as biodegradable brain tissue
M E Prévôt1, H Andro2, S L M Alexander3
1Liquid Crystal Institute, Kent State University, 1425 Lester Lefton Esplanade, Kent, OH 44242, USA and Department of Biological Sciences, Kent State University, 850 Lester Lefton Esplanade, Kent, OH 44242, USA. rclement@kent.edu ehegmann@kent.edu.
Soft Matter
|December 14, 2017
Summary
Researchers developed novel liquid crystal elastomers (LCEs) from star block-copolymers as dynamic 3D scaffolds. These biocompatible, porous LCEs support neuron growth and alignment, advancing tissue regeneration research.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Polymer Chemistry
Background:
- Tissue regeneration necessitates 3D scaffolds that mimic extracellular matrix mechanical properties.
- Current scaffolds are often static, limiting dynamic cell interactions and nutrient transport.
- Responsive polymeric materials offer potential for dynamic cell culture substrates.
Purpose of the Study:
- To develop novel 3D scaffolds using responsive liquid crystal elastomers (LCEs).
- To create porous, biocompatible LCEs mimicking native tissue mechanical properties.
- To investigate LCE scaffold-cell interactions, particularly neuron growth and alignment.
Main Methods:
- Synthesized lactone- and lactide-based star block-copolymers with liquid crystal side-groups.
- Crosslinked copolymers into porous Liquid Crystal Elastomers (LCEs) using a salt-leaching method.
- Characterized LCE mechanical properties (Young modulus) and biodegradability.
- Performed neuron cell culture experiments on the LCE scaffolds.
Main Results:
- Developed interconnected-porous SmA LCE foams with a Young modulus of 0.23 ± 0.07 MPa.
- Achieved approximately 20% biodegradability after 15 weeks, mimicking native environments.
- Demonstrated neuron growth and proliferation on LCE scaffolds over four weeks.
- Observed cell alignment induced by liquid crystal moieties within the LCE scaffold.
Conclusions:
- LCEs offer a dynamic platform for cell culture beyond static 3D scaffolds.
- The developed LCE scaffolds possess optimized mechanical and degradation properties for tissue regeneration.
- Liquid crystal moieties in LCEs promote neuron alignment, enabling brain-like tissue engineering.
