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Synthesis of Graphene-Hydroxyapatite Nanocomposites for Potential Use in Bone Tissue Engineering
Published on: July 27, 2022
Carboxymethyl cellulose-hydroxyapatite hybrid hydrogel as a composite material for bone tissue engineering
Daniela Pasqui1, Paola Torricelli, Milena De Cagna
1C.R.I.S.M.A. University of Siena, 53034, Colle di Val d'Elsa, (SI), Italy; Prior at Department of Clinical and Molecular Science, Università Politecnica delle Marche, 60121, Ancona, Italy.
Journal of Biomedical Materials Research. Part A
|May 31, 2013
Summary
This study introduces a new carboxymethylcellulose (CMC)-based hydrogel composite with hydroxyapatite (HA) nanocrystals. The CMC-HA hydrogel enhances osteoblast cell activity and matrix production, showing potential for bone tissue engineering.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Tissue Engineering
Background:
- Natural bone is a hierarchical nanocomposite of hydroxyapatite (HA) and collagen.
- Developing biomimetic materials is crucial for bone regeneration.
- Carboxymethylcellulose (CMC) hydrogels offer a promising scaffold material.
Purpose of the Study:
- To create a novel hybrid carboxymethylcellulose-hydroxyapatite (CMC-HA) hydrogel.
- To characterize the physicochemical and morphological properties of the CMC-HA hydrogel.
- To evaluate the biological performance of the CMC-HA hydrogel for bone tissue engineering.
Main Methods:
- Synthesized CMC-HA hydrogel by swelling freeze-dried CMC in HA microcrystal solution.
- Characterized material using FTIR spectroscopy, rheological measurements, and FESEM.
- Assessed HA distribution with ToF-SIMS and FESEM.
- Evaluated biological performance using MG63 osteoblast cells.
Main Results:
- The CMC-HA hydrogel demonstrated stable HA integration with no release in aqueous solutions.
- FESEM and ToF-SIMS confirmed HA distribution within the hydrogel matrix.
- In vitro studies showed enhanced MG63 cell proliferation and metabolic activity on CMC-HA compared to CMC alone.
- CMC-HA hydrogel promoted increased production of mineralized extracellular matrix.
Conclusions:
- The developed CMC-HA hydrogel is a stable and promising biomaterial.
- The incorporation of HA significantly enhances the biological properties of CMC hydrogels for bone regeneration.
- This hybrid material shows potential for applications in bone defect repair and tissue engineering.
