Volume 34, Issue 1 (Journal of Advanced Materials-Spring 2015)                   jame 2015, 34(1): 79-86 | Back to browse issues page

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Mohammadi S, Doostmohammadi A, Saeri M. Fabrication and Characterization of Novel Willemite Nanobioceramic for Bone Defect Repair. jame 2015; 34 (1) :79-86
URL: http://jame.iut.ac.ir/article-1-643-en.html
Abstract:   (8607 Views)

The positive effect of Si and Zn ions on bone formation and metabolism has already been confirmed. The aim of this study was preparation and characterization of Willemite (Zn2SiO4) for the repair of bone defects. Willemite was prepared through solid state reaction. Phase analysis and chemical compositions were investigated. The zeta potential of the nanoparticles was determined in physiological saline, and compressive strength and Young's modulus of the samples were measured. The ability of hydroxyapatite formation was investigated in simulated body fluid (SBF) and cytotoxicity of the particles was evaluated in contact with human bone marrow stem cells. The results of this study showed that Willemite nanobioceramic is obtained with the expected chemical composition and negative zeta potential. The results also showed that the hydroxyapatite forming ability in SBF was not strong. MTT assay confirmed the cell proliferation and availability in contact with a specific concentration of Willemite nanoparticles. All these findings indicate that Willemite nanobioceramic with proper biocompatibility can be suggested as a novel biomaterial for the repair of bone defects.

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Type of Study: Research | Subject: Surface engineering and coatings
Received: 2015/06/28 | Accepted: 2015/06/28 | Published: 2015/06/28

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