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Antibacterial Property and Biocompatibility of Polypyrrole Films Treated by Oxygen Plasma Immersion Ion Implantation
Li, XO; Qiu, JJ; Liu, XY
2020-04-22
Source PublicationADVANCED MATERIALS INTERFACES
ISSN2196-7350
Issue8
SubtypeArticle
AbstractPolypyrrole (PPy) films obtained by oxidative polymerization have positive charges in its main chains and therefore exhibit antibacterial properties to some extent. However, antibacterial activities of PPy films for biomedical applications are still insufficient. Here, to endow PPy films with excellent antibacterial properties and biocompatibility, oxygen plasma immersion ion implantation (O-PIII) is performed to regulate their physicochemical properties, including but not limited to wettability and surface charge. Escherichia coli, Staphylococcus aureus, and MC3T3-E1 cells are utilized to investigate the antibacterial properties and cytocompatibility, respectively. Results show that antibacterial property of PPy films against E. coli is enhanced after O-PIII treatment, and it becomes more outstanding with the increase of implantation time, which may be ascribed to the improved hydrophilicity and change of sample surfaces from negatively charged to positively charged. The similar results cannot be found from S. aureus due to different cell membrane structure. Meanwhile, O-PIII can significantly improve the biocompatibility of PPy films.
DOI10.1002/admi.202000057
WOS KeywordETHER-ETHER-KETONE ; ELECTRICAL-PROPERTIES ; SURFACE MODIFICATION ; POLYMER MEMBRANES ; CELL ; BACTERIA ; BEHAVIOR ; RELEASE ; COATINGS ; COTTON
Language英语
WOS Research AreaChemistry ; Materials Science
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28122
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Li, XO,Qiu, JJ,Liu, XY. Antibacterial Property and Biocompatibility of Polypyrrole Films Treated by Oxygen Plasma Immersion Ion Implantation[J]. ADVANCED MATERIALS INTERFACES,2020(8).
APA Li, XO,Qiu, JJ,&Liu, XY.(2020).Antibacterial Property and Biocompatibility of Polypyrrole Films Treated by Oxygen Plasma Immersion Ion Implantation.ADVANCED MATERIALS INTERFACES(8).
MLA Li, XO,et al."Antibacterial Property and Biocompatibility of Polypyrrole Films Treated by Oxygen Plasma Immersion Ion Implantation".ADVANCED MATERIALS INTERFACES .8(2020).
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