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Chlorinated-based bioceramics incorporated in polycaprolactone membranes
Carolina Curcio Lott Guimarães1, Joyce Rodrigues de Souza2, Tiago Moreira Bastos Campos1
1Department of Materials Manufacture and Automation, Technological Institute of Aeronautics (ITA), São Paulo, Brazil.
Summary
Researchers developed novel bioactive membranes using bioceramics and polycaprolactone fibers for bone repair. These composite membranes enhanced cell viability and promoted bone mineralization, showing promise for tissue engineering applications.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Regenerative Medicine
Background:
- Bioactive membranes are crucial for bone repair in tissue engineering.
- Developing effective materials for bone regeneration remains a significant challenge.
Purpose of the Study:
- To fabricate and characterize composite membranes of sol-gel bioceramics and polycaprolactone (PCL) fibers.
- To evaluate the potential of these membranes for bone tissue regeneration.
Main Methods:
- Sol-gel synthesis of bioceramics using nitrate and chloride precursors.
- Electrospinning of bioceramic and PCL solutions into ultrafine fiber mats.
- Characterization using Raman, XRD, FTIR, TGA, and SEM; in vitro biological assessments.
Main Results:
- Bioceramics crystallized into the α-wollastonite phase, with chlorinated versions crystallizing at lower temperatures.
- Composite membranes exhibited enhanced cell viability compared to controls.
- Promoted significant mineralization nodule formation, indicating osteoconductive potential.
Conclusions:
- The developed composite membranes are bioactive and suitable for bone tissue engineering.
- This approach offers a promising strategy for advanced bone regeneration therapies.
- The study highlights the potential of combining sol-gel bioceramics with PCL electrospun fibers.
