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Injectable Supramolecular Polymer-Nanoparticle Hydrogels for Cell and Drug Delivery Applications
Published on: February 7, 2021
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Interpenetrating polymer network hydrogels as bioactive scaffolds for tissue engineering
Cody O Crosby1, Brett Stern1, Nikhith Kalkunte1
1University of Texas at Austin, Department of Biomedical Engineering, Austin, Texas.
Reviews in Chemical Engineering
|April 11, 2022
Summary
Interpenetrating polymer network hydrogels offer a promising solution for tissue engineering scaffolds. These advanced biomaterials mimic the extracellular matrix, enhancing cell adhesion and mechanical strength for improved clinical translation.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Polymer Chemistry
Background:
- Tissue engineering has faced challenges in clinical translation due to a lack of suitable biomaterial scaffolds.
- Existing scaffolds often lack the necessary mechanical properties, bioactivity, and cytocompatibility of native human tissues.
Purpose of the Study:
- To propose interpenetrating polymer network (IPN) hydrogels as advanced biomaterial scaffolds for tissue engineering.
- To highlight recent advances and applications of IPN hydrogels in creating functional tissue constructs.
Main Methods:
- Synthesizing IPN hydrogels using combinations of biologically-derived and synthetic polymers.
- Reviewing critical advances in IPN hydrogel properties: mechanical strength, stiffness, conductivity, and degradation.
- Examining the integration of IPN hydrogels into organ-on-a-chip and bioprinting technologies.
Main Results:
- IPN hydrogels provide a 3D microenvironment mimicking the extracellular matrix, promoting cell adhesion and viability.
- Combinations of natural and synthetic polymers allow for tunable properties, balancing bioactivity with mechanical integrity.
- Recent advancements have significantly improved mechanical strength, stiffness, conductivity, and degradation control in IPN hydrogels.
Conclusions:
- IPN hydrogels represent a significant advancement in biomaterial design for tissue engineering.
- Their tunable properties and bioactivity make them ideal for creating functional tissue replacements.
- IPN hydrogels are poised to be critical in developing advanced tissue engineering applications like organ-on-a-chip and bioprinting for regenerative medicine.
