在微波电子回旋共振低温等离子体条件下,用二乙二醇二甲醚为试剂对镍钛合金进行表面改性.在表面得到一层均匀、致密的固体薄膜.经过X射线光电子能谱和衰减全反射傅立叶变换红外光谱的分析和表征,发现沉积的涂层为类PEG结构,表面主要聚集大量-CH2-CH2-O键;血浆蛋白吸附实验显示,与改性前相比,等离子体沉积在镍钛合金表面的类PEG涂层能够有效抵抗蛋白质吸附.
参考文献
| [1] | SHAALOVSKASA .Surface,corrosionandbiocompatibilityaspectsofNitinol[J].Biomedical Materials & Engineering,2002,12:69-70. |
| [2] | OHHK;YOUNG C N;KI D P .Graftcopolymerizationofpolyethyleneglycolmethacrylateontopolyethylenefilmanditsbloodcompatibility[J].Journal of Applied Polymer Science,1999,71:631. |
| [3] | HarrisJM.Poly ethylene glycol Chemistry[M].NewYork:PlenumPress,1992:1-14. |
| [4] | RatnerD;HOFFMAN A S;SCHOEN F J.Thin films, grafts, and coatings, in Biomaterials Science, An Introduction to Materials in Medicine[M].SanDiego:AcademicPress,1996:105. |
| [5] | Agnes R. Denes;Eileen B. Somers;May C. L. Wong;Ferencz Denes .12-Crown-4-Ether and Tri(ethylene glycol) Dimethyl-Ether Plasma-Coated Stainless Steel Surfaces and Their Ability to Reduce Bacterial Biofilm Deposition[J].Journal of Applied Polymer Science,2001(14):3425-3438. |
| [6] | PRIMKL;WHITESIDES G M .Self-assembledorganicmonolayers:modelsystemsforstudyingadsorptionofproteinsatsurfaces[J].SCIENCE,1991,25:1164-1166. |
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