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Shewanella oneidensis MR-1 Bacteria Protects Metals Against Corrosion

Filed in archive Microbiology by ruth on June 19, 2006

Shewanella oneidensis MR-1 Bacteria Protects Metals Against Corrosion
Researchers have demonstrated the protective ability of a bacteria, Shewanella oneidensis MR-1, to protect metals from corrosion. In a simple laboratory experiment where MR-1 was allowed to form biofilms on aluminum, zinc, mild steel, copper, and
brasslinks, it has been shown that formation of MR-1 on the metal surfaces increased AC impedance, an indicator of corrosion resistance. The degree of impedance varied from metal to metal (see photo), but were still significant.

The researchers say this could be a basis for a potential metal protector against corrosion. Results of the study will be presented at the 210th Meeting of the Electrochemical Society in Cancun, Mexico on October 29-November 3, 2006.

Read more details from USC Viterbi.

[Photo: Protection: brass, mild steel (MS) and copper (Cu) samples compared after incubation with (+MR1) and without the presence of the bacteria, From USC Viterbi]






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Tags: metals  corrosion  biotech  bacteria  shewanella  against+corrosion  shewanella+oneidensis  protects+metals 

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