Cells-nano interactions and molecular toxicity after delayed hypersensitivity, in Guinea pigs on exposure to hydroxyapatite nanoparticles

- HANP was synthesized by chemical method.
- Characterized of HANP by TEM, SEM, FT-IR, XRD.
- The HANPs were biocompatible with more than 80% viable.
- Non-skin irritant after skin sensitization in G. pigs.
- Not altered the antioxidant potential in vitro and in vivo.