JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2010, Vol. 40 ›› Issue (3): 86-90.

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Synthesis of bone-like hydroxyapatite in simulated body fluid

ZHANG Ai-juan   

  1. School of Material Science and Engineering, Shandong University of Technology, Zibo 255049, China
  • Received:2009-10-27 Online:2010-06-16 Published:2009-10-27

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Abstract:

Bone-like nanograde hydroxyapatite(HAP)spicula were synthesized in simulated body fluid(SBF)by increasing the concentration of Ca and  P in the  SBF by a biomimetic method. The mass phase composition, chemical composition, micromorphology, thermal stability,  bioactivity and  high temperature  during stability at different sintering temperature 500～1300℃ of the obtained HAP were studied by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscope, differential thermal analysis and  atomic absorption spectrometry. The results indicated that the synthesized HAP had a  pin-like shape close to natural bone with a 70～80nm length and 10～20nm width. Though the degree of crystallization of HAP is better and better with  temperature increasing, the HAP could be decomposed when the sintering temperature is above 1000℃.The synthesized HAP powders have  good ability for inducing the deposition of Ca and P.

Key words: simulated body fluid, hydroxyapatite, biomimetic synthesis, high temperature stability

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[2] ZHANG Ai-juan, LI Cheng-feng. Preparation of nano-hydroxyapatite with the aid of ultrasonic waves [J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2011, 41(1): 54-57.
[3] LI Cheng-feng. Study  of surface modification of hydroxyapatite powers by ions of ferrous iron [J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2008, 38(6): 87-90.
[4] ZHANG Ai-juan . Preparation of biomimetic nanograde hydroxyapatite in simulated body fluid [J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2008, 38(5): 102-106 .
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[6] SHEN Xiang,LI Musen,CAO Ning,WANG Chengxiang,L Yupeng,BAI Yunqiang . The dispersant effect on HA powder prepared by chemical [J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2006, 36(3): 5-08 .
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