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Updated: May 1, 2026
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Synthesis of Graphene-Hydroxyapatite Nanocomposites for Potential Use in Bone Tissue Engineering
Published on: July 27, 2022
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TiO2-graphene nanocomposites for enhanced osteocalcin induction
Kavitha Kandiah1, Prabhu Muthusamy1, Selvam Mohan1
1Centre for Nano Science and Technology, K.S. Rangasamy College of Technology, Tiruchengode 637 215, Tamil Nadu, India.
Summary
Researchers developed titania-graphene nanocomposites (TGS) for bone repair. The TG2 and TG4 TGS materials show promise for bone regeneration due to enhanced cell attachment and reduced nanoparticle migration.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Orthopedic Research
Background:
- Bone defects and damage necessitate advanced biomaterials for effective treatment.
- Titania-graphene nanocomposites (TGS) offer potential for bone regeneration applications.
Purpose of the Study:
- To synthesize and characterize titania-graphene nanocomposites (TGS) for potential use as bone biomaterials.
- To evaluate the biocompatibility and bone-mimicking properties of TGS materials.
Main Methods:
- In situ sol-gel synthesis of titania-graphene nanocomposites with varying graphene content (2:x, where x = 0.25, 0.5, 1.0, 2.0, 4.0 g).
- Structural characterization including surface area and porosity analysis.
- In vitro biological evaluation using simulated body fluid and human cell lines (AGS and MG-63).
Main Results:
- Synthesized TGS nanocomposites exhibited irregular sheet morphology with intercalated spherical TiO2.
- High surface area (167.98–234.56 m²/g) and mesoporosity (11.55–26.13%) were observed.
- TG2 (2:2) and TG4 (2:4) samples demonstrated enhanced human cell attachment and reduced nanoparticle aggregation.
Conclusions:
- Titania-graphene nanocomposites possess favorable properties for bone biomaterial applications.
- The TG2 and TG4 compositions show significant potential for promoting bone regeneration and mimicking bone action.
