Fabrication, Characterization and Osteoblast Response of Cobalt-Based Alloy/Nano Bioactive Glass Composites
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
View: 83
This Paper With 11 Page And PDF Format Ready To Download
- Certificate
- من نویسنده این مقاله هستم
استخراج به نرم افزارهای پژوهشی:
شناسه ملی سند علمی:
JR_JMATPR-4-3_001
تاریخ نمایه سازی: 12 مهر 1400
Abstract:
IIn this work, cobalt-based alloy/ nano bioactive glass (NBG) composites with ۱۰, ۱۵ and ۲۰ wt% NBG were prepared and their bioactivity after immersion in simulated body fluid (SBF) for ۱ to ۴ weeks was studied. The scanning electron microscopy images of two- step sintered composites revealed a relatively dense microstructure the density of which decreased with the increase in the NBG amount. Microstructural analysis as well as energy dispersive X-ray analysis (EDX) revealed that after ۱ week of immersion in SBF, a small amount of calcium phosphate phases precipitates on the surface of the composite samples. After ۲ weeks of immersion, a considerable amount of cauliflower-like shaped precipitations was observed on the surface of composites. The observed peaks in the Fourier transform infrared (FTIR) spectroscopy of the composite samples in SBF immersed for ۴ weeks were assigned to hydroxyapatite. Therefore, a hydroxyapatite layer has been possibly formed on the surface of the composite samples during immersion in SBF. Cell culture results indicate that unlike the Co-based alloy, the Co-based/NBG composites are bioactive and bone cells could be vivid and grow on their surfaces, promising their possibility for implant applications.
Keywords:
Authors
Mohammad Reza Bafandeh
Department of Materials Science and Engineering, Faculty of Engineering, University of Kashan, Kashan, I.R. Iran
Raziyeh Gharahkhani
Department of Materials Engineering, Isfahan University of Technology (IUT), Isfahan ۸۴۱۵۶-۸۳۱۱۱, Iran
Mohammad Hossein Fathi
Department of Materials Engineering, Isfahan University of Technology (IUT), Isfahan ۸۴۱۵۶-۸۳۱۱۱, Iran
مراجع و منابع این Paper:
لیست زیر مراجع و منابع استفاده شده در این Paper را نمایش می دهد. این مراجع به صورت کاملا ماشینی و بر اساس هوش مصنوعی استخراج شده اند و لذا ممکن است دارای اشکالاتی باشند که به مرور زمان دقت استخراج این محتوا افزایش می یابد. مراجعی که مقالات مربوط به آنها در سیویلیکا نمایه شده و پیدا شده اند، به خود Paper لینک شده اند :