Incorporation of amine moieties onto ultra-high molecular weight polyethylene (UHMWPE) surface via plasma and UV polymerization of allylamine

被引:35
作者
Aziz, Gaelle [1 ]
De Geyter, Nathalie [1 ]
Declercq, Heidi [1 ,2 ]
Cornelissen, Ria [2 ]
Morent, Rino [1 ]
机构
[1] Univ Ghent, Fac Engn & Architecture, Dept Appl Phys, RUPT, B-9000 Ghent, Belgium
[2] Univ Ghent, Fac Med & Hlth Sci, Dept Basic Med Sci, B-9000 Ghent, Belgium
基金
欧洲研究理事会; 比利时弗兰德研究基金会;
关键词
Allylamine; Plasma polymerization; Post-irradiation grafting; UV polymerization; Amine functionalities; Cell tests; CELL-ADHESION; POLYETHYLENTEREPHTALAT MEMBRANES; PHOTOELECTRON-SPECTROSCOPY; POLY(ETHYLENE GLYCOL); TITANIUM SURFACES; FUNCTIONAL-GROUPS; WETTABILITY; POLYMERS; FILMS; FIBROBLASTS;
D O I
10.1016/j.surfcoat.2015.01.027
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Allylamine was plasma, post-irradiation grafted and UV polymerized onto UHMWPE surface to improve its cell adhesion and proliferation properties as well as to increase its wettability. For plasma polymerization, samples were coated using different process parameters. The effect of the various processes and process parameters on the physical and chemical properties of the deposited allylamine coatings was evaluated by different physical and chemical characterization techniques. Wettability, surface chemistry, thickness and surface morphology were determined. Stability and aging tests for a 7 day period were also investigated. Moreover, cell tests using human foreskin fibroblasts were performed and evaluations were conducted after 1 and 7 days of culturing. Different chemistries and surface morphologies were induced after each treatment and various nitrogen and oxygen functionalities were incorporated making the surface more hydrophilic. Coatings were relatively stable and cell viability was found to be significantly higher on plasma and UV treated UHMWPE compared to plain UHMWPE; this was confirmed by the overall cell morphology. (c) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:39 / 47
页数:9
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