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자료유형
학술저널
저자정보
Kamel, Nagwa A. (Microwave Physics and Dielectrics Department, National Research Centre) Mansour, Samia H. (Polymers and Pigments Department, National Research Centre) Abd-El-Messieh, Salwa L. (Microwave Physics and Dielectrics Department, National Research Centre) Khalil, Wafaa A. (Biophysics Department, Faculty of Science, Cairo University) Abd-El Nour, Kamal N. (Microwave Physics and Dielectrics Department, National Research Centre)
저널정보
테크노프레스 Advances in materials research : AMR Advances in materials research : AMR 제4권 제3호
발행연도
2015.1
수록면
145 - 164 (20page)

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Biodegredable and injectable nanocomposites based on polypropylene fumarate (PPF) as unsaturated polyester were prepared. The investigated polyester was crosslinked with three different monomers namely N-vinyl pyrrolidone (NVP), methyl methacrylate (MMA) and a mixture of NVP and MMA (1:1 weight ratio) and was filled with 45 wt% of hydroxyapatite (HA) incorporated with different concentrations of chemically treated natural bone powder (NBP) (5, 10 and 15 wt%) in order to be used in treatment of orthopedics bone diseases and fractures. The nanocomposites immersed in the simulated body fluid (SBF) for 30 days, after the period of immersion in-vitro bioactivity of the nanocomposites was studied through Fourier transform infrared (FTIR), scanning electron microscope (SEM), energy dispersive X-ray (EDX) in addition to dielectric measurements. The degradation time of immersed samples and the change in the pH of the SBF were studied during the period of immersion.

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