biocompatibility investigation of hydroxyapatite/chitosan nanocomposites doped by metal oxides

Esmaeilzadeh, Alireza; Haghbin-lasht Neshani, Saeede; Heshmatpour, Felora

biocompatibility investigation of hydroxyapatite/chitosan nanocomposites doped by metal oxides

Document Type : Research Article

Authors

Department of Inorganic Chemistry, Faculty of Chemistry, Khajeh Nasir al-Din Tusi University of Technology, Tehran, Iran

Abstract

Nano Hydroxyapatite (nHA) composites have been widely used in bone regeneration due to their unique properties. In this paper, doped nHA composites with doping of MgO, ZnO, and CeO₂metal oxides into nHA structure were successfully attained using precipitation method. Also, chitosan (CS) was added to the nHA composites to improve the biocompatibility. As the results showed, doping the metal oxides into the nHA structure led to the change of the lattice parameters in nHA structure. Finally, bioactivity of the composites was investigated by MTT assay by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide. MTT assay is shown that doped-nHA structure gives acceptable cytotoxicity against the MG-63 cell.

Keywords

Main Subjects

Inorganic Chemistry

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