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Study of 3D-printed chitosan scaffold features after different post-printing gelation processes
Carlo Bergonzi1, Antonina Di Natale1, Francesca Zimetti1
1Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124, Parma, Italy.
Scientific Reports
|January 25, 2019
Summary
3D printed chitosan scaffolds were tested using different gelation methods. Ammonia vapor provided the best structural integrity and biocompatibility for tissue engineering applications.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Biotechnology
Background:
- 3D biomaterial manufacturing is crucial for developing novel tissue engineering therapies.
- Chitosan (CH) is a promising biomaterial for scaffold fabrication.
- Post-printing processing significantly influences scaffold properties.
Purpose of the Study:
- To investigate the behavior of 3D printed chitosan scaffolds.
- To evaluate the effect of different gelation media on scaffold properties.
- To assess the biocompatibility of the fabricated scaffolds.
Main Methods:
- 3D printing of chitosan-based scaffolds.
- Testing gelation properties of KOH, Na2CO3, and ammonia vapor.
- Analysis of scaffold structural integrity, water content, mechanical resistance, and porosity.
- Biocompatibility testing using fibroblast cell lines.
Main Results:
- Different gelation media significantly impacted scaffold properties.
- Ammonia vapor exhibited superior performance in retaining 3D structure and porosity.
- Chitosan scaffolds demonstrated good biocompatibility with fibroblasts.
Conclusions:
- Post-printing gelation is a critical step in 3D printed chitosan scaffold fabrication.
- Ammonia vapor is a suitable medium for achieving desired properties in 3D printed chitosan scaffolds for tissue engineering.
- Further research can optimize these scaffolds for various regenerative medicine applications.
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