نوع مقاله : علمی و پژوهشی
نویسندگان
1 گروه مهندسی مواد، دانشکده فنی و مهندسی گلپایگان.
2 دانشکده مهندسی و علم مواد، دانشگاه صنعتی شریف، تهران.
3 دانشکده پیراپزشکی، دانشگاه علوم پزشکی ایران.
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Bone defects and developed surgery with low injuries have conducted researches to design and produce composites containing biodegradable polymer and bioactive ceramic, introducing as a biocompatible scaffold for bone tissue engineering. In the present study, bioactive nanocomposite scaffolds of silk fibroin/titanium dioxide nanoparticles (SF/TiO2) and silk fibroin/titanium dioxide nanoparticles which contain flour ions (SF/TiO2-F) were prepared. Accordingly, flour ions were bound to TiO2 nanoparticles and both SF/TiO2 and SF/TiO2-F scaffolds were produced. Then, the bioactivity and apatite formation on the surface of prepared scaffolds were evaluated by immersing in simulated body fluid (SBF) for 28 days. As a resultant, SF/TiO2-F scaffolds showed improved bioactivity in comparison with SF/TiO2 ones, as such, after 12 days of immersion in SBF, apatite precipitations covered around 40 % of surface of prepared scaffolds.
کلیدواژهها [English]
6. جعفرینژاد، ش.، "عناصر پایه در فناوری نانو و نانوکامپوزیتهای پلیمری"، انتشارات سیمای دانش, (1388).
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