ENDOTHELIAL-CELL GROWTH ON OXYGEN-CONTAINING FILMS DEPOSITED BY RADIOFREQUENCY PLASMAS - THE ROLE OF SURFACE CARBONYL GROUPS

被引:90
作者
ERTEL, SI
CHILKOTI, A
HORBETT, TA
RATNER, BD
机构
[1] UNIV WASHINGTON,DEPT CHEM ENGN,BF-10,SEATTLE,WA 98195
[2] UNIV WASHINGTON,CTR BIOENGN,SEATTLE,WA 98195
关键词
ENDOTHELIAL CELL; CELL GROWTH; CELL ATTACHMENT; RADIOFREQUENCY PLASMA DEPOSITION; DERIVATIZATION;
D O I
10.1163/156856291X00269
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Polystyrene substrates were modified by radio-frequency plasma deposition from mixtures of various organic vapors (acetone, methane, methanol, and formic acid) and oxygen. The resulting surfaces exhibited a wide range of surface oxygen concentrations, as measured by electron spectroscopy for chemical analysis (ESCA). The surface hydroxyl, carboxyl, and carbonyl groups were derivatized with trifluoroacetic anhydride, trifluoroethanol, or hydrazine, respectively, and their concentrations subsequently determined by ESCA. The growth of bovine aortic endothelial cells was found to increase with the surface carbonyl concentration but did not appear to correlate with the hydroxyl or carboxyl concentrations.
引用
收藏
页码:163 / 183
页数:21
相关论文
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