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	Effect of pH on the fibroin regulated mineralization of calcium phosphate
	Sun, X.-D. ; Ying-Li Zhou ; Juan-Yong Ren ; Fu-Zhai Cui ; Heng-De Li
	2010-05-10 ; 2010-05-10
关键词	Practical Experimental/ bioceramics calcium compounds crystal morphology Fourier transform spectra infrared spectra molecular biophysics pH proteins scanning electron microscopy transmission electron microscopy X-ray diffraction/ pH effect fibroin regulated mineralization calcium phosphate powder X-ray diffraction XRD Fourier transform infrared spectroscopy FTIR scanning electron microscopy SEM transmission electron microscopy TEM hydroxyapatite brushite crystal morphology crystal structure 10 h Ca/sub 10/(PO/sub 4/)/sub 6/(OH)/sub 2/ CaHPO/sub 4/H/sub 2/O/ A8770M Biomedical materials A8715 Molecular biophysics A8245 Electrochemistry and electrophoresis A7830G Infrared and Raman spectra in inorganic crystals A6150J Crystal morphology and orientation/ time 3.6E+04 s/ Ca10PO4OH/ss Ca10/ss PO4/ss O4/ss Ca/ss OH/ss H/ss O/ss P/ss CaHPO4H2O/ss PO4/ss O4/ss H2/ss Ca/ss H/ss O/ss P/ss
中文摘要	The effect of pH on the mineralization of calcium phosphate regulated by fibroin is investigated in this paper. Calcium phosphates were prepared under different pH of the solution. The products were characterized by powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results demonstrated the great influence of pH on the formation of calcium phosphate, both in the presence and in the absence of fibroin. Pure hydroxyapatite (Ca/sub 10/(PO/sub 4/)/sub 6/(OH)/sub 2/,HA) can be obtained at relatively high pH (pH 8.0), while brushite (CaHPO/sub 4/ middot 2H/sub 2/O, DCPD) is the usual product at low pH (pH 4.0, 5.2) in 10h. Additionally, the presence of the fibroin can accelerate the transformation from DCPD to HA and regulate the morphology and structure of the HA crystals obtained. [All rights reserved Elsevier].
语种	英语 ; 英语
出版者	Elsevier ; Netherlands
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21241]
专题	清华大学
推荐引用方式 GB/T 7714	Sun, X.-D.,Ying-Li Zhou,Juan-Yong Ren,et al. Effect of pH on the fibroin regulated mineralization of calcium phosphate[J],2010, 2010.
APA	Sun, X.-D.,Ying-Li Zhou,Juan-Yong Ren,Fu-Zhai Cui,&Heng-De Li.(2010).Effect of pH on the fibroin regulated mineralization of calcium phosphate..
MLA	Sun, X.-D.,et al."Effect of pH on the fibroin regulated mineralization of calcium phosphate".(2010).

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