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Calcium phosphate coated rapid prototyped porous titanium scaffolds

机译:磷酸钙涂层的快速原型多孔钛支架

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Porous Titanium Scaffolds were produced by using a rapid prototyping technique. These scaffolds were either coated or not with a calcium phosphate coating via an eletrodeposition method. Rat bone marrow mesenchymal stem cells were cultured on the scaffolds at a density of 10~6 cells/scaffold for a period of 3 days. Cell proliferation was measured by using the Alamar Blue assay. The scaffolds were observed by SEM and polarized light microscopy. Constructs were then implanted subcutaneously for 4 weeks in syngenic rats. Cells proliferated well after seeding. After subcutaneous implantation, histology and SEM revealed the presence of uniform coatings as well as Ca and P deposits in the non-coated scaffolds suggesting mineralization.
机译:多孔钛支架是使用快速成型技术生产的。这些支架通过电沉积法涂覆或不涂覆磷酸钙涂层。大鼠骨髓间充质干细胞在支架上以10〜6个细胞/支架的密度培养3天。通过使用Alamar Blue测定法测量细胞增殖。通过SEM和偏光显微镜观察支架。然后将构建体皮下植入同基因大鼠中4周。接种后细胞增殖良好。皮下植入后,组织学和扫描电镜显示未涂覆的支架中存在均匀的涂层以及钙和磷的沉积,表明存在矿化作用。

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