Evaluation of Various Metallic Coatings on Steel to Mitigate Biofilm Formation

International Journal of Molecular Sciences

Hideyuki Kanematsu²  Hajime Ikigai¹ 

[1] Dept. Chem & Biochem, Suzuka National College of Technology (SNCT)/ Shiroko-cho, Suzuka Mie, 510-0294, Japan; E-Mail:;Dept. MS & E, Suzuka National College of Technology (SNCT) / Shiroko-cho, Suzuka Mie, 510-0294, Japan

关键词: Biofilm;    alloy plating;    HSSL process;    tin-silver alloy;    Pseudomonas aeruginosa;    Pseudoalteromonas carageenovara;    biofouling;   

DOI  :  10.3390/ijms10020559

来源: mdpi

【 摘 要 】

In marine environments and water systems, it is easy for many structures to form biofilms on their surfaces and to be deteriorated due to the corrosion caused by biofilm formation by bacteria. The authors have investigated the antibacterial effects of metallic elements in practical steels so far to solve food-related problems, using Escherichia coli and Staphylococcus aureus. However, from the viewpoint of material deterioration caused by bacteria and their antifouling measures, we should consider the biofilm behavior as aggregate rather than individual bacterium. Therefore, we picked up Pseudomonas aeruginosa and Pseudoalteromonas carageenovara in this study, since they easily form biofilms in estuarine and marine environments. We investigated what kind of metallic elements could inhibit the biofilm formation at first and then discussed how the thin films of those inhibitory elements on steels could affect biofilm formation. The information would lead to the establishment of effective antifouling measures against corrosion in estuarine and marine environments.

【 授权许可】

CC BY   
© 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.