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One-Pot Synthesis of Unsaturated Polyester Bioelastomer with Controllable Material Curing for Microscale Designs
Locke Davenport Huyer1,2,3, A Dawn Bannerman1,2,3, Yufeng Wang1,3
1Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario, Canada.
Advanced Healthcare Materials
|July 18, 2019
Summary
Researchers developed a new tunable polyester material, poly(itaconate-co-citrate-co-octanediol) (PICO), for healthcare applications. This PICO material offers controllable elasticity and rapid gelation, supporting tissue engineering like cardiac patches.
Area of Science:
- Biomaterials Science
- Polymer Chemistry
- Tissue Engineering
Background:
- Synthetic polyester elastomers are crucial for healthcare due to their tunable, tissue-mimicking elastic properties.
- Developing materials with controllable mechanical design and curing is essential for advanced biomedical applications.
Purpose of the Study:
- To synthesize and characterize a novel polyester material, poly(itaconate-co-citrate-co-octanediol) (PICO), with tunable elastomeric properties.
- To demonstrate the potential of PICO in healthcare applications, specifically as a scaffold for cardiac tissue engineering.
Main Methods:
- Synthesis of PICO through radical crosslinking of itaconate within polyester gels.
- Modulation of material properties by varying reaction times and monomer molar composition.
- Characterization of elasticity, gelation kinetics, and performance as a cardiac tissue scaffold.
Main Results:
- PICO elastomers exhibited a wide range of tunable elasticity (36-1476 kPa).
- Materials showed rapid and controllable gelation times under mild conditions.
- PICO scaffolds successfully supported cardiac tissue organization and viability in proof-of-principle studies.
Conclusions:
- PICO offers a versatile platform for creating elastomeric biomaterials with precisely controlled properties.
- The material's tunable elasticity and rapid, controllable gelation make it suitable for various healthcare applications requiring soft tissue support.
- PICO demonstrates significant potential for use in tissue engineering, particularly for cardiac repair applications.
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