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Antibacterial mechanism of Cu-bearing 430 ferritic stainless steel
Zhang, Zhuang1; Zhang, Xin-Rui2; Jin, Tao3; Yang, Chun-Guang2; Sun, Yu-Peng2; Li, Qi1; Yang, Ke2
Corresponding AuthorYang, Chun-Guang(cgyang@imr.ac.cn) ; Li, Qi(2637198378@qq.com)
2021-06-20
Source PublicationRARE METALS
ISSN1001-0521
Pages11
AbstractCopper (Cu)-bearing stainless steel has testified its effectiveness to reduce the risk of bacterial infections. However, its antibacterial mechanism is still controversial. Therefore, three 430 ferritic stainless steels with different Cu contents are selected to conduct deeper research by the way of bacterial inactivation from two aspects of material and biology. Hereinto, electrochemical and antibacterial results show that the increase in Cu content simultaneously improves the corrosion resistance and antibacterial property of 430 stainless steel. In addition, it is found that Escherichia coli (E. coli) on the surface 430 Cu-bearing stainless steel by the dry method of inoculation possesses a rapid inactivation ability. X-ray photoelectron spectroscopy (XPS) aids with ion chelation experiments prove that Cu (I) plays a more crucial role in the contact-killing efficiency than Cu (II), resulting from more production of reactive oxygen species (ROS).
KeywordCu-bearing stainless steel Corrosion resistance Antibacterial mechanism Contact killing Copper ions Reactive oxygen species (ROS)
Funding OrganizationNational Key Research and Development Program of China ; Youth Innovation Promotion Association CAS
DOI10.1007/s12598-021-01751-y
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFB0300205] ; Youth Innovation Promotion Association CAS[2018221]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000663703400001
PublisherNONFERROUS METALS SOC CHINA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160561
Collection中国科学院金属研究所
Corresponding AuthorYang, Chun-Guang; Li, Qi
Affiliation1.Liaoning Univ, Coll Chem, Shenyang 110036, Liaoning, Peoples R China
2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
3.Shenyang Chest Hosp, Dept Nephrol, Shenyang 110044, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zhuang,Zhang, Xin-Rui,Jin, Tao,et al. Antibacterial mechanism of Cu-bearing 430 ferritic stainless steel[J]. RARE METALS,2021:11.
APA Zhang, Zhuang.,Zhang, Xin-Rui.,Jin, Tao.,Yang, Chun-Guang.,Sun, Yu-Peng.,...&Yang, Ke.(2021).Antibacterial mechanism of Cu-bearing 430 ferritic stainless steel.RARE METALS,11.
MLA Zhang, Zhuang,et al."Antibacterial mechanism of Cu-bearing 430 ferritic stainless steel".RARE METALS (2021):11.
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