通过在铝合金表面制备等离子体聚合物薄膜以减少蛋白质吸附,提高铝合金生物相容性.采用四乙二醇二甲醚为有机试剂,在电子回旋共振低温微波等离子体条件下,在铝合金表面制备了一层涂层,用X-ray光电子能谱、衰减全反射红外光谱和血浆蛋白吸附试验对涂层进行分析表征.结果表明:铝合金表面沉积的涂层均匀、致密,其化学组成为类PEG结构,主要聚集大量碳氢和碳氧极性键;与改性前相比,等离子体沉积在铝合金表面的类PEG涂层能够有效抵抗蛋白质吸附.
参考文献
| [1] | Wataha JC .Biocompatibility of dental casting alloys: a review.[J].The Journal of Prosthetic Dentistry,2000(2):223-234. |
| [2] | OH H K;YOUNG C N;KID P .Graft copolymerization of polyethylene glycol methacrylate onto polyethylene film and its blood compatibility[J].Journal of Applied Polymer Science,1999,71:631-640. |
| [3] | RATNER B D;HOFFMAN A S.Thin films,grafts,and coatings[A].San Diego:Academic Press,1996:105-108. |
| [4] | 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. |
| [5] | HARRIS JM.Poly (ethylene glycol) Chemistry[M].New York:Plenum Press,1992 |
| [6] | 袁坚,赵兹君,欧阳世翕.WO3-PEO（聚环氧乙烷）溶胶-凝胶过程及表征[J].材料科学与工艺,2003(04):367-369. |
| [7] | 杨隽,汪建华.低温等离子体在铝片表面沉积类PEG结构研究[J].武汉化工学院学报,2003(03):47-50. |
| [8] | PRIM K L;WHITESIDES G M .Self-assembled organic monolayers:model systems for studying adsorption of proteins at surfaces[J].Science,1991,25:1164-1166. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%