Advances in Bioscience and Biotechnology

Volume 1, Issue 3 (August 2010)

ISSN Print: 2156-8456   ISSN Online: 2156-8502

Google-based Impact Factor: 1.18  Citations  h5-index & Ranking

Structure and properties of bone-like-nanohydroxyapatite/gelatin/polyvinyl alcohol composites

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DOI: 10.4236/abb.2010.13026    6,687 Downloads   13,115 Views  Citations

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ABSTRACT

Bone-like nanohydroxyapatite powders (b-nanoHA) were synthesized in simulated body fluid (SBF). The b-nanoHA, gelatin (Gel) and Polyvinyl Alcohol (PVA) were used to prepare bone-like composites (b-nanoHA/ Gel/PVA) at room temperature. Characterizations of b-nanoHA powders and b-nanoHA/Gel/PVA composites were investigated by using X-ray diffraction (XRD), transmission electron microscopy (TEM), High-resolution transmission electron microscopy (HRTEM), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR). Bending strength and compressive strength of the composite were tested. It was found that microstructure of the b-nanoHA powders was whisker shape and its crystalline degree was low similar to natural bone, bending strength and compressive strength of the b-nanoHA/Gel/PVA composite depended on the mixing ratio of HA, Gel and PVA, and also PVA could induce the network formation in the b-nanoHA/Gel/ PVA composite.

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Wang, F. , Guo, E. , Song, E. , Zhao, P. and Liu, J. (2010) Structure and properties of bone-like-nanohydroxyapatite/gelatin/polyvinyl alcohol composites. Advances in Bioscience and Biotechnology, 1, 185-189. doi: 10.4236/abb.2010.13026.

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