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Study on antibacterial properties of copper-containing antibacterial stainless steels
Nan Li; Liu Yongqian; Yang Weichao; Xu Hui; Li Ying; Lue Manqi; Yang Ke
Corresponding AuthorYang Ke(kyang@imr.ac.cn)
2007-10-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume43Issue:10Pages:1065-1070
AbstractThe antibacterial properties and relevant mechanism of copper-containing ferritic and austenitic antibacterial stainless steels have been studied. Experimental results displayed that the copper-containing antibacterial stainless steels have the broad-spectrum antibacterial features, and the antibacterial rate against most of the Gram-negative bacteria and Gram-positive bacteria selected in the present work reached above 99.0%. Through studies on the different action times of E.coli in contact with ferritic antibacterial stainless steel, it was proved that the antibacterial rate of an antibacterial stainless steel should be related to the action time, and the antibacterial rate reached 99.9% only when the steel contacted with the bacteria for about 150 min. The AFM observation indicated that the antibacterial mechanism of the antibacterial stainless steels should be attributed to more leaking out of the materials and shriveling of the cells in the bacteria. The electrochemical experiments showed that after contacting with E.coli, the precipitation of Cu ions on the surface of antibacterial stainless steels became faster, resulting in a decrease of the pitting potential of the steel.
Keywordantibacterial stainless steel antibacterial properties antibacterial rate Escherichia coli
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000250991200011
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/90534
Collection中国科学院金属研究所
Corresponding AuthorYang Ke
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China
3.Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Nan Li,Liu Yongqian,Yang Weichao,et al. Study on antibacterial properties of copper-containing antibacterial stainless steels[J]. ACTA METALLURGICA SINICA,2007,43(10):1065-1070.
APA Nan Li.,Liu Yongqian.,Yang Weichao.,Xu Hui.,Li Ying.,...&Yang Ke.(2007).Study on antibacterial properties of copper-containing antibacterial stainless steels.ACTA METALLURGICA SINICA,43(10),1065-1070.
MLA Nan Li,et al."Study on antibacterial properties of copper-containing antibacterial stainless steels".ACTA METALLURGICA SINICA 43.10(2007):1065-1070.
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