摘要
商业纯钛片经磨平、喷砂、清洗、酸洗后分成A、B两组。A组不作任何处理,B组用H2SO4和HCl混合液酸蚀,然后两组钛片同时置于37℃的仿生液SBF-A中1d及SBF-B中2d。结果两组钛片表面均可沉积磷灰石涂层,涂层为多孔片状结构,X射线衍射分析证实其为碳酸化羟基磷灰石和磷酸八钙的混合物,钙磷原子量比约1.51。这说明在多孔纯钛表面可以快速仿生沉积碳酸化磷灰石涂层。
The aim of this study was to elaborate a dense, strong and thin calcium-phosphate coating on commercial porous pure titanium implant surface in the light of a fast biomimetic procedure. After being polished, sandblasted, cleaned and treated with the mixture of HF and HNO3, the titanium plates were divided into two groups,namely group A and group B. The specimens of group A were free from any treatment. The specimens of group B were treated with the mixture of 48%H2SO4 and 18%HCl. All specimens soaked in SBF-A solution for ld. Then the specimens were immersed in the SBF-B solution for 2 d. A thin calcium-phosphate coating was deposited on all the specimens of the two groups ,the surface consisted of well-formed crystals, which were proved to be the mixture of hydroxycarbonated apatite （HCA） and octacalcium phosphate （OCP） ; the coating＇s Ca/P rate was 1.51. A thin carbonated calcium-phosphate coating was deposited on porous pure titanium by the use of the fast biomimetic procedure.
出处
《生物医学工程学杂志》
EI
CAS
CSCD
北大核心
2007年第4期806-811,共6页
Journal of Biomedical Engineering
基金
浙江省医药卫生优秀青年科技人才专项科研基金资助项目(2004016)
浙江省科技计划重点项目资助(200523006)
关键词
纯钛
仿生液
钙磷涂层
Pure titanium Simulated body fluid（SBF） Calcium-phosphate coating
