DOI: 10.3724/SP.J.1077.2014.14148

Journal of Inorganic Materials (无机材料学报) 2014/29:7 PP.776-780

Microwave-assisted Solvothermal Synthesis of Calcium Phosphate Microspheres and Polyhedra

Synthetic calcium phosphate (CaP) has been investigated as promising biomaterial due to its excellent biocompatibility. CaP nanosheet-assembled microspheres were prepared using Ca(CH3COO)2, NaH2PO4·2H2O and PLA-mPEG in aqueous solution by microwave-assisted hydrothermal method at 120℃ for 30 min. Meanwhile, CaP polyhedral were prepared using Ca(CH3COO)2, NaH2PO4·2H2O and PLA-mPEG in mixed solvent of water and ethylene glycol (EG) by microwave-assisted solvothermal method at 120℃ for 30 min. The products were characterized with X-ray powder diffraction (XRD), transmission electron microscope (TEM), scanning electron microscope (SEM) and thermogravimetric analysis (TG). EG showed a significant effect on the chemical composition and morphology of the product. The hemoglobin protein adsorption properties of the as-prepared products were investigated. The Hb adsorption amount increased with increasing Hb initial concentration, and were decreased with increasing volume of EG.

Key words:biomaterials,calcium phosphate,microwave,self-assembling,protein adsorption

ReleaseDate:2016-07-11 11:25:05

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