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Antibacterial Performance of Copper-Bearing CoCrMo Alloy
Wang Shuai1,2; Yang Ke2; Ren Ling2; Nan Li2; Shen Minggang1; Yang Chunguang2
Corresponding AuthorWang Shuai(cgyang@imr.ac.cn)
2015-10-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume44Issue:10Pages:2496-2500
AbstractThe antibacterial performance of a Cu-bearing CoCrMo alloy was studied by use of antibacterial function of copper (Cu) ions. Results show that the Cu-bearing CoCrMo alloy has broad-spectrum antibacterial features, and the antibacterial rates against both E. coli and S. aureus selected in the present work all reach above 95.7%. Through studies of different concentration of E. coli on antibacterial rate of Cu-bearing CoCrMo alloy, it is proved that the alloy has good antibacterial performance against E. coli below 1 x10(6) cfu/ml, and with increase of the concentration of E. coli, the antibacterial performance drops quickly. The bacterial biofilm observation indicates that Cu-bearing CoCrMo alloy could effectively reduce the number of bacteria on the surface, and then inhibit the formation of the biofilm. The electrochemical experiment reveals that after contacting with E. coli, the release of Cu irons from Cu-bearing CoCrMo alloy becomes faster, resulting in certain decreases of the self corrosion potential and pitting potential of the alloy.
KeywordCoCrMo alloy copper ion antibacterial performance bacterial biofilm
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000364176200031
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/121110
Collection中国科学院金属研究所
Corresponding AuthorWang Shuai
Affiliation1.Univ Sci & Technol Liaoning, Anshan 114051, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang Shuai,Yang Ke,Ren Ling,et al. Antibacterial Performance of Copper-Bearing CoCrMo Alloy[J]. RARE METAL MATERIALS AND ENGINEERING,2015,44(10):2496-2500.
APA Wang Shuai,Yang Ke,Ren Ling,Nan Li,Shen Minggang,&Yang Chunguang.(2015).Antibacterial Performance of Copper-Bearing CoCrMo Alloy.RARE METAL MATERIALS AND ENGINEERING,44(10),2496-2500.
MLA Wang Shuai,et al."Antibacterial Performance of Copper-Bearing CoCrMo Alloy".RARE METAL MATERIALS AND ENGINEERING 44.10(2015):2496-2500.
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