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Bacterial Adhesion, Cell Adhesion and Biocompatibility of Nafion Films SCIE SCOPUS

Title
Bacterial Adhesion, Cell Adhesion and Biocompatibility of Nafion Films
Authors
Kim, GKim, HKim, IJKim, JRLee, JIRee, M
Date Issued
2009-01
Publisher
VSP BV
Abstract
We investigated bioadhesion (bacterial and cell adhesion) and biocompatibility of poly(tetrafluoroethylene-co-perfluoro-3,6-dioxa-4-methyl-7-octenesulfonic acid) (Nafion(TM)) and compared the results with those obtained with poly(vinylidene fluoride-co-hexafluoropropylene) (PVFHFP). When incubated with bacteria for 4 h to 7 days, Nafion film exhibited scarce bacterial adhesion at 6 h, after which the adhesion gradually increasing to relatively low levels. In contrast, significant bacterial adhesion to PVFHFP film was observed at 4 h, and much higher adhesion levels were shown thereafter. Although HEp-2 human cells adhered normally to both films, reaching confluence in 7-8 days, the cells adhered to Nafion appeared more lively and stable than those to PVFHFP. Subcutaneous implantation in mice revealed that Nafion elicited a mild acute inflammatory reaction without chronic inflammation or tissue necrosis, indicating excellent biocompatibility in mice. PVFHFP, however, provoked a moderate and prolonged acute inflammatory response. These differences in the biological characteristics of Nafion and PVFHFP films may be attributable to the differences in the chemical and physical natures of these polymer films. Nafion film provided a sufficiently solid support, expressing a high surface charge density and good water-wettability. In summary, Nafion is suitable for use in biomedical applications that require biocompatibility with a reduced possibility of post-operative infections. (C) Koninklijke Brill NV, Leiden, 2009
Keywords
Nafion film; perfluorinated polymer; bacterial adhesion; cell adhesion; biocompatibility; water sorption; water contact angle; PSEUDOMONAS-AERUGINOSA BIOFILMS; HUMAN ENDOTHELIAL-CELLS; STAPHYLOCOCCUS-AUREUS; IN-VITRO; POLYURETHANE SURFACES; POLYMER SURFACE; BIOMATERIALS; BIODEGRADATION; FIBRONECTIN; ATTACHMENT
URI
https://oasis.postech.ac.kr/handle/2014.oak/27563
DOI
10.1163/156856208X386273
ISSN
0920-5063
Article Type
Article
Citation
JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION, vol. 20, no. 12, page. 1687 - 1707, 2009-01
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이문호REE, MOONHOR
Dept of Chemistry
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