Journal
INTERNATIONAL BIODETERIORATION & BIODEGRADATION
Volume 132, Issue -, Pages 132-138Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ibiod.2018.03.002
Keywords
2205-Cu duplex stainless steel; Pseudomonas aeruginosa; Microbiologically influenced corrosion; Biofilm; Antimicrobial
Funding
- National Natural Science Foundation of China [51501203]
- Shenzhen Science and Technology Research funding [JCYJ20160608153641020]
- National Basic Research Program of China (973 Program) [2014CB643300]
- National Environmental Corrosion Platform (NECP)
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In industrial and clinical settings, microbiologically influenced corrosion (MIC), also known as biocorrosion, is a major problem associated with materials degradation and infection. To mitigate biofilms, a Cu-bearing 2205 duplex stainless steel (2205-Cu DSS) was created by researchers to utilize the antimicrobial ability of copper. In this study, nitrate reducing Pseudomonas aeruginosa biofilm was grown as a nitrate reducing bacterium to investigate the antimicrobial efficacy and the MIC inhibition efficacy of 2205-Cu DSS under anaerobic condition. The results showed that both biofilm sessile cell count and electrochemically-measured corrosion rate were reduced compared with the 2205 duplex stainless steel (2205 DSS) control.
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