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OALib Journal期刊
ISSN: 2333-9721
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钛(iv)配合物催化合成ti-p聚乳酸材料的亲水性、降解率和细胞毒性*
Keywords: 有机高分子材料,配合物,丙交酯,聚乳酸,降解,生物相容性
Abstract:
？以双(烷氧-亚胺芳氧)基钛(iv)配合物(baip-ti(iv))为催化剂催化d,l-丙交酯开环聚合合成的ti-p聚乳酸,用静态水接触角、吸水率及降解实验考察其理化性能,以小鼠颅顶前骨细胞(mc3t3-e1)考察其在材料表面的增值和黏附铺展情况。结果表明:ti-p聚乳酸比sn-p聚乳酸有较低的亲水性和较高的抗水解性;mc3t3-e1细胞在ti-p聚乳酸材料表面显示出的较好的增值活力以及细胞黏附与铺展能力;在ti-p聚乳酸中残存的微量ti(iv)金属配合物对mc3t3-e1细胞无细胞毒性,不影响mc3t3-e1细胞在其材料表面上生长。
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