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Self-Healable Porous Polyampholyte Hydrogels with Higher Water Content as Cell Culture Scaffolds for Tissue
Jui-Hsiang Liu1, Yi-Hua Hung1, Kai-Ti Chang1
1Department of Chemical Engineering, National Cheng Kung University, No. 1, University Road, Tainan City 70101, Taiwan, ROC.
ACS Applied Bio Materials
|January 13, 2022
Summary
This study developed advanced polyampholyte (PA) hydrogels with tunable pore sizes and self-healing properties by incorporating 2-hydroxyethyl methacrylate (HEMA). These biocompatible PA gels demonstrate potential as polymeric scaffolds for cell culture applications.
Area of Science:
- Materials Science
- Polymer Chemistry
- Biomedical Engineering
Background:
- Polyampholytes (PA) require improved mechanical properties for advanced applications.
- Controlling hydrogel pore size is crucial for scaffold development.
- Self-healing and biocompatibility are key features for biomaterials.
Purpose of the Study:
- To control polyampholyte hydrogel film pore size using 2-hydroxyethyl methacrylate (HEMA).
- To enhance mechanical properties and introduce self-healing capabilities in PA hydrogels.
- To evaluate the biocompatibility and potential of these PA gels as cell culture scaffolds.
Main Methods:
- Incorporation of HEMA and N,N'-methylenebisacrylamide (Bis-Am) into the PA chain.
- Synthesis of chemically cross-linked PA gels.
- Cytotoxicity testing using cell attachment assays.
Main Results:
- HEMA content controlled film pore size and increased water content, forming porous xerogels.
- Copolymers exhibited enhanced mechanical properties and optical behavior.
- Synthesized PA gels demonstrated self-healing ability, high stability in saline, and biocompatibility.
Conclusions:
- The synthesized PA gels possess tunable pore sizes and self-healing properties.
- The hydrogels exhibit excellent mechanical stability and biocompatibility.
- These PA gels are suitable for application as polymeric scaffolds in cell culture.
