Improved Properties of Carbon Nanotube‐Fluorhydroxyapatite Biocomposite: Mechanical, Chemical Stability, and Antibacterial Activity
Source abstract
Abstract
A novel carbon nanotubes‐based fluoridated hydroxyapatite (CNTs/FHA) composite is prepared by an in situ chemical synthesis method and spark plasma sintering technology. The 1 wt% CNTs/FHA composite exhibits ≈82 and ≈86% improvement in fracture toughness and hardness, respectively. The chemical stability of the CNTs/FHA composite is evaluated by determining the Ca2+ ion release. The result indicates that the substitution of F− ions into the HA structure has a positive effect on the dissolution resistance of HA. The in vitro bioactivity assessment shows that the osteoblast proliferation and differentiation ability are improved. Further, it is observed that the composites can effectively inactivate oral bacteria. Therefore, the CNTs/FHA composite is expected to be a promising material for dental implants.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Bone Tissue Engineering Materials · Graphene and Nanomaterials Applications · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering, Inner Mongolia University of Technology Inner Mongolia Key Laboratory of Thin Film and Coatings Hohhot 010051 Inner Mongolia China
Key Laboratory of Inorganic Coating Materials Chinese Academy of Sciences Shanghai 200050 China
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