纤维状的磷酸八钙陶瓷具有良好的生物活性及优异的力学性能,可与生物医用高分子复合形成编织状多孔材料,可作为骨替代物,也可作为催化剂的载体.本研究采用低温水溶液均相沉淀技术,以尿素为沉淀剂,通过控制离子在体系中的释放速度,使晶核按一定方式生长和发展,从而制备出结晶度好、纯净的纤维状磷酸八钙单晶体,而且该纤维能互相编织形成大片的薄膜.X射线衍射谱、红外吸收光谱、透射电镜分析证明所得晶体为磷酸八钙单晶体.
参考文献
| [1] | Kamakura S;Sasano Y;Shimizu T et al.Implanted octacalcium phosphate is more resorbable than b-tricalcium phosphate and hydroxyapatite[J].Journal of Biomedical Materials Research,2002,59:29-34. |
| [2] | P. HABIBOVIC;C. M. VAN DER VALK;C. A. VAN BLITTERSWIJK;K. DE GROOT;G. MEIJER .Influence of octacalcium phosphate coating on osteoinductive properties of biomaterials[J].Journal of Materials Science. Materials in Medicine,2004(4):373-380. |
| [3] | Florence Barrere;Chantal M. van der Valk;Remco A. J. Dalmeijer .Osteogenecity of octacalcium phosphate coatings applied on porous metal implants[J].Journal of biomedical materials research, Part B. Applied biomaterials,2003(4):779-788. |
| [4] | Al-Oraimi SK;Seibi AC .Mechanical characterizationand impact behaviors of concrete reinforced with Natural Fibre[J].Computers & Structures,1995,32:165-171. |
| [5] | Thomson RC;Yaszemski MJ;Powers JM;Mikos AG .Hydroxyapatite fiber reinforced poly(alpha-hydroxy ester) foams for bone regeneration.[J].Biomaterials,1998(21):1935-1943. |
| [6] | Takashi Nishino;Koichi Hirao;Masaru Kotera .Kenaf reinforced biodegradable composite[J].Composites science and technology,2003(9):1281-1286. |
| [7] | 傅希贤;吕忠良;杨宏秀.新型纤维状羟基磷灰石的制备[J].硅酸盐通报,1996(04):26-28. |
| [8] | 王友法,闫玉华,梁飞,张宏泉.水热条件下针状羟基磷灰石单晶体的均相合成[J].硅酸盐通报,2001(02):30-34. |
| [9] | Bonfield W .Ultrastructural observation of single-crystal apatite fibres.[J].Biomaterials,2005(17):3427-3433. |
| [10] | Mamoru Aizawa;Nelesh Patel;Alexandra E. Porter;Serena M. Best;William Bonfield .Syntheses of Silicon-containing Apatite Fibres by a Homogeneous Precipitation Method and Their Characterization[J].Key engineering materials,2006(2):1129-1132. |
| [11] | Barrere F;Layrolle P;Blitterswijk CA .biomimetic coatings on titanium a crystal growth study of octacalcium phosphate[J].Journal of Materials Science:Materials in Medicine,2001,12:529-524. |
| [12] | Elliott JC.structure and chemistry of the apatites and other calcium orthophosphates[M].Amsterdam:Elsevier Science,1994 |
| [13] | Xiong Lu;Zhanfeng Zhao;Yang Leng .Calcium phosphate crystal growth under controlled atmosphere in electrochemical deposition[J].Journal of Crystal Growth,2005(3/4):506-516. |
| [14] | Lu X;Leng Y .Theoretical analysis of calcium phosphate precipitation in simulated body fluid.[J].Biomaterials,2005(10):1097-1108. |
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