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Tri-Component Hydrogel as Template for Nanocrystalline Hydroxyapatite Deposition Using Alternate Soaking Method for
Irina Mihaela Pelin1, Irina Popescu1, Manuela Calin2
1"Petru Poni" Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania.
Gels (Basel, Switzerland)
|November 24, 2023
Summary
New composite hydrogels with hydroxyapatite particles promote osteoblast proliferation for bone tissue engineering. These mineralized scaffolds enhance cell growth compared to unmineralized hydrogels.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Materials Chemistry
Background:
- Composite hydrogels are promising scaffolds for bone regeneration.
- Osteoblast proliferation is crucial for bone tissue engineering.
Purpose of the Study:
- To develop and characterize novel composite hydrogels incorporating apatite-like particles.
- To evaluate the potential of these mineralized hydrogels as scaffolds for osteoblast proliferation.
Main Methods:
- Fabrication of porous hydrogels from chitosan, oxidized pullulan, and PVA.
- Mineralization via alternate soaking in calcium and phosphate solutions.
- Characterization using FTIR, SEM, XRD, and TGA.
Main Results:
- Composite hydrogels with 80-92% hydroxyapatite deposited on pore walls were successfully synthesized.
- The organic matrix composition influenced hydroxyapatite crystallization and mechanical properties.
- Mineralized hydrogels significantly enhanced MG-63 osteoblast-like cell proliferation.
Conclusions:
- The developed composite hydrogels serve as effective scaffolds for bone tissue engineering.
- Mineralization with hydroxyapatite improves osteoblast proliferation.
- These findings highlight the potential of tailored composite hydrogels for regenerative medicine.
