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Laboratory investigation of the microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel in the presence of an aerobic marine Pseudomonas aeruginosa biofilm
Xia, Jin; Yang, Chunguang; Xu, Dake; Sun, Da; Nan, Li; Sun, Ziqing; Li, Qi; Gu, Tingyue; Yang, Ke; xudake@imr.ac.cn
2015
Source PublicationBIOFOULING
ISSN0892-7014
Volume31Issue:6Pages:481-492
AbstractThe microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel (2205 Cu-DSS) against an aerobic marine Pseudomonas aeruginosa biofilm was investigated. The electrochemical test results showed that R-p increased and i(corr) decreased sharply after long-term immersion in the inoculation medium, suggesting that 2205 Cu-DSS possessed excellent MIC resistance to the P. aeruginosa biofilm. Fluorescence microscope images showed that 2205 Cu-DSS possessed a strong antibacterial ability, and its antibacterial efficiency after one and seven days was 7.75% and 96.92%, respectively. The pit morphology comparison after 14 days between 2205 DSS and 2205 Cu-DSS demonstrated that the latter showed a considerably reduced maximum MIC pit depth compared with the former (1.44 mu m vs 9.50 mu m). The experimental results suggest that inhibition of the biofilm was caused by the copper ions released from the 2205 Cu-DSS, leading to its effective mitigation of MIC by P. aeruginosa.
description.department[xia, jin ; li, qi] liaoning univ, coll chem, shenyang 110036, peoples r china ; [yang, chunguang ; xu, dake ; nan, li ; sun, ziqing ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [sun, da] chongqing univ, coll bioengn, key lab biorheol sci & technol, chongqing 630044, peoples r china ; [gu, tingyue] ohio univ, dept biomol & chem engn, inst corros & multiphase technol, athens, oh 45701 usa
Keyword2205 Cu-dss Pseudomonas Aeruginosa Mic Biofilm Antimicrobial
Funding OrganizationYoung Merit Scholars program by the National Basic Research Program of China [973 Program] [2014CB643300]; National Environmental Corrosion Platform (NECP); Young Merit Scholars program of the Institute of Metal Research, Chinese Academy of Sciences
Indexed Bysci
Language英语
WOS IDWOS:000360245900001
Citation statistics
Cited Times:60[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74937
Collection中国科学院金属研究所
Corresponding Authorxudake@imr.ac.cn
Recommended Citation
GB/T 7714
Xia, Jin,Yang, Chunguang,Xu, Dake,et al. Laboratory investigation of the microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel in the presence of an aerobic marine Pseudomonas aeruginosa biofilm[J]. BIOFOULING,2015,31(6):481-492.
APA Xia, Jin.,Yang, Chunguang.,Xu, Dake.,Sun, Da.,Nan, Li.,...&xudake@imr.ac.cn.(2015).Laboratory investigation of the microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel in the presence of an aerobic marine Pseudomonas aeruginosa biofilm.BIOFOULING,31(6),481-492.
MLA Xia, Jin,et al."Laboratory investigation of the microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel in the presence of an aerobic marine Pseudomonas aeruginosa biofilm".BIOFOULING 31.6(2015):481-492.
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