Influence of Cu^<2+> on Sulfate-reducing Bacteria Associated with Magnesium Alloy
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概要
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Influence of Cu2+ on sulfate-reducing bacteria associated with magnesium alloy was investigated. X-ray diffraction results reveal that the reaction products of magnesium alloy from the SRB and sterile medium containing Cu2+ consist of Mg(OH)2 and Cu phases. Cu2+ can inhibit the growth of SRB, but it can not die out SRB cells in biofilm and medium. Cu2+ is a deleterious ion, which can form Cu–Mg micro-galvanic corrosion electrocircuits on substrate surface leading to the severe corrosion of magnesium alloy. Although extracellular polymeric substances (EPS) of SRB have the ability to bind Cu2+, severe micro-galvanic corrosion was still observed on magnesium alloy surface. This indicates that Cu2+ can not act as a sterilization reagent or a composition of sterilization reagent for SRB associated with magnesium alloy.
- 社団法人 日本鉄鋼協会の論文
- 2007-11-15
著者
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Diao L.
Key Laboratory Of Automobile Materials Of Ministry Of Education And Department Of Materials Science
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FANG S.
Key Laboratory of Automobile Materials of Ministry of Education and Department of Materials Science
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LIU Y.
Key Laboratory of Automobile Materials of Ministry of Education and Department of Materials Science
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YU S.
Key Laboratory of Automobile Materials of Ministry of Education and Department of Materials Science
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ZHANG J.
Key Laboratory of Automobile Materials of Ministry of Education and Department of Materials Science
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Liu Y.
Key Laboratory Of Automobile Materials Of Ministry Of Education And Department Of Materials Science
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Fang S.
Key Laboratory Of Automobile Materials Of Ministry Of Education And Department Of Materials Science
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