Preparation and Investigation of Natural and Biocompatible Chitosan/Magnetite Nonocomposite Pproperties

Subject Areas :

فاطمه  حیدری ¹ (دانشگاه یاسوج)
رضا  بازرگان لاری ² (دانشگاه آزاد اسلامی واحد مرودشت)
محمدابراهیم  بحرالعلوم ³ (دانشگاه شیراز)

Received: 2015-06-09 Accepted : 2015-12-21 Published : 2015-11-22

Keywords:

Abstract :

Both of chitosan (CS) and magnetite are biocompatible and biodegradable materials. In this study, natural CS/magnetite nanocomposite was prepared with in situ precipitation. Surface morphology, magnetite nanoparticles size and investigation of nanocomposite composition was done with scanning electron microscope(SEM), Transmition electron microscope(TEM) and Fourier transform infrared (FTIR). Magnetite nanoparticles and its crystal size investigation were done with X-ray diffraction (XRD) which was 23.5 nm.magnetic properties measurements were done with Vibrating sample magnetometer (VSM) which saturated magnetization was 3.04 emug-1 and cohersive force was 128.39Oe. Chitosan/magnetite nanocomposite with lower contents of magnetite had lower saturated magnetization. This nanocompoaite was superparamagnetic. For investigation of viability, samples cultured in the presence of stem cells and results show that this nanocomposite has biocompatibility.

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