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| 碳纳米管-聚氨酯复合膜的力学特性及生物相容性初步研究 | |
| 引用本文： | 董生,袁正,吴胜伟,李文新. 碳纳米管-聚氨酯复合膜的力学特性及生物相容性初步研究[J]. 介入放射学杂志, 2011, 20(2): 127-130 |
| 作者姓名： | 董生 袁正 吴胜伟 李文新 |
| 作者单位： | 1. 第二军医大学长征医院放射科,上海,200003 2. 南京军区南京总医院放射科 3. 中国科学院上海医用物理研究所 |
| 基金项目： | 国家自然科学基金(30270418); 上海市科委重点纳米专项基金(0452nm037) |
| 摘 要： | 目的 探讨碳纳米管-聚氨酯复合膜的力学特性和生物相容性.方法 将经超声处理的碳纳米管与聚氨酯混合制成复合膜,用万能材料试验机检测不同质量比的复合膜的力学特性,在支架弯曲90°时电镜观察膜的表面,将不同含量的复合膜溶液与人肝癌细胞7721细胞培养进行细胞毒性试验,用浸涂法制备碳纳米管-聚氨酯覆膜金属支架,并置入兔食管进行... |
| 关 键 词： | 碳纳米管 聚氨酯 力学特征 生物相容性 支架 |
The mechanics and biocompatibility characteristics of carbon nanotubes-polyurethane composite membranes: a preliminary study |
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| DONG Sheng,YUAN Zheng,WU Sheng-wei,LI Wen-xin. The mechanics and biocompatibility characteristics of carbon nanotubes-polyurethane composite membranes: a preliminary study[J]. Journal of Interventional Radiology, 2011, 20(2): 127-130 | |
| Authors: | DONG Sheng YUAN Zheng WU Sheng-wei LI Wen-xin |
| Affiliation: | DONG Sheng,YUAN Zheng,WU Sheng-wei,LI Wen-xin.Department of Radiology,Changzheng Hospital,Second Military Medical University,Shanghai 200003,China |
| Abstract: | Objective To discuss the mechanics and biocompatibility characteristics of carbon nanotubes-polyurethane composite membranes.Methods The mechanics property of carbon nanotubes-polyurethane composite membranes with different carbon nanotubes contents were tested by universal material testing machine.The surface of the membranes was observed by electron microscope when the stent was bent 90 degree.And its cytotoxicity was tested by cultivating study with 7721 cell.The metallic stent that was covered with carb... |
| Keywords: | carbon nanotube polyurethane mechanics characteristics biocompatibility nona material stent |
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