3D Printing of Polysaccharide-Based Self-Healing Hydrogel Reinforced with Alginate for Secondary Cross-Linking
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of Oxidized Hyaluronate and Glycol Chitosan
2.3. Hydrogel Fabrication and Characterization
2.4. Confirmation of Self-Healing Property of the Hydrogel
2.5. Three-Dimensional Printing
2.6. Cell Culture
2.7. In Vitro Cell Viability
2.8. Quantification of Gene Expression
2.9. Statistical Analysis
3. Results and Discussion
3.1. Preparation and Characterization of the OHA/GC/ADH/ALG Hydrogel
3.2. Self-Healing Properties of OHA/GC/ADH/ALG Hydrogels
3.3. Three-Dimensional Bioprinting with Self-Healing Hydrogels
3.4. In Vitro Cell Viability Test
3.5. Chondrogenic Differentiation In Vitro
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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[ALG] (wt%) | 0.3 | 0.6 | 0.9 | 1.2 |
G’ (Pa) | 671 ± 27 | 535 ± 57 | 318 ± 51 | N/A |
complete gelation time | 10 min | >20 min | >1 h | >1 h |
G’ after second cross-linking (Pa) | 948 ± 57 | 712 ± 71 | 671 ± 48 | 531 ± 51 |
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Roh, H.-H.; Kim, H.-S.; Kim, C.; Lee, K.-Y. 3D Printing of Polysaccharide-Based Self-Healing Hydrogel Reinforced with Alginate for Secondary Cross-Linking. Biomedicines 2021, 9, 1224. https://doi.org/10.3390/biomedicines9091224
Roh H-H, Kim H-S, Kim C, Lee K-Y. 3D Printing of Polysaccharide-Based Self-Healing Hydrogel Reinforced with Alginate for Secondary Cross-Linking. Biomedicines. 2021; 9(9):1224. https://doi.org/10.3390/biomedicines9091224
Chicago/Turabian StyleRoh, Hyun-Ho, Hyun-Seung Kim, Chunggoo Kim, and Kuen-Yong Lee. 2021. "3D Printing of Polysaccharide-Based Self-Healing Hydrogel Reinforced with Alginate for Secondary Cross-Linking" Biomedicines 9, no. 9: 1224. https://doi.org/10.3390/biomedicines9091224