Acceleration of corrosion of 304 stainless steel by outward extracellular electron transfer of Pseudomonas aeruginosa biofilm

Luyao Huang; Weiwei Chang; Dawei Zhang; Ye Huang; Ziyu Li; Yuntian Lou; Hongchang Qian; Chengying Jiang; Xiaogang Li; Arjan Mol

doi:10.1016/j.corsci.2022.110159

Acceleration of corrosion of 304 stainless steel by outward extracellular electron transfer of Pseudomonas aeruginosa biofilm

Luyao Huang, Weiwei Chang, Dawei Zhang^*, Ye Huang, Ziyu Li, Yuntian Lou, Hongchang Qian, Chengying Jiang, Xiaogang Li, Arjan Mol

^*Corresponding author for this work

Team Arjan Mol

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Abstract

The influence of outward extracellular electron transfer (EET) of Pseudomonas aeruginosa in accelerating corrosion of 304 stainless steel was investigated. With less NO₃⁻ available as electron acceptor, P. aeruginosa biofilm accelerated the pitting corrosion. The ICP-MS and XPS results indicated that P. aeruginosa promoted the bioreductive dissolution of iron oxides in the passive film of stainless steel. Using in situ scanning electrochemical microscopy, we established a relationship between this accelerated deterioration of the passive film and the EET process mediated by the conversion of the redox states of pyocyanin secreted by P. aeruginosa.

Original language	English
Article number	110159
Number of pages	12
Journal	Corrosion Science
Volume	199
DOIs	https://doi.org/10.1016/j.corsci.2022.110159
Publication status	Published - 2022

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Extracellular electron transfer
Microbiological corrosion
Pseudomonas aeruginosa
Stainless steel

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10.1016/j.corsci.2022.110159

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title = "Acceleration of corrosion of 304 stainless steel by outward extracellular electron transfer of Pseudomonas aeruginosa biofilm",

abstract = "The influence of outward extracellular electron transfer (EET) of Pseudomonas aeruginosa in accelerating corrosion of 304 stainless steel was investigated. With less NO3− available as electron acceptor, P. aeruginosa biofilm accelerated the pitting corrosion. The ICP-MS and XPS results indicated that P. aeruginosa promoted the bioreductive dissolution of iron oxides in the passive film of stainless steel. Using in situ scanning electrochemical microscopy, we established a relationship between this accelerated deterioration of the passive film and the EET process mediated by the conversion of the redox states of pyocyanin secreted by P. aeruginosa.",

keywords = "Extracellular electron transfer, Microbiological corrosion, Pseudomonas aeruginosa, Stainless steel",

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note = "Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.",

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doi = "10.1016/j.corsci.2022.110159",

language = "English",

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journal = "Corrosion Science",

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T1 - Acceleration of corrosion of 304 stainless steel by outward extracellular electron transfer of Pseudomonas aeruginosa biofilm

AU - Huang, Luyao

AU - Chang, Weiwei

AU - Zhang, Dawei

AU - Huang, Ye

AU - Li, Ziyu

AU - Lou, Yuntian

AU - Qian, Hongchang

AU - Jiang, Chengying

AU - Li, Xiaogang

AU - Mol, Arjan

N1 - Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2022

Y1 - 2022

N2 - The influence of outward extracellular electron transfer (EET) of Pseudomonas aeruginosa in accelerating corrosion of 304 stainless steel was investigated. With less NO3− available as electron acceptor, P. aeruginosa biofilm accelerated the pitting corrosion. The ICP-MS and XPS results indicated that P. aeruginosa promoted the bioreductive dissolution of iron oxides in the passive film of stainless steel. Using in situ scanning electrochemical microscopy, we established a relationship between this accelerated deterioration of the passive film and the EET process mediated by the conversion of the redox states of pyocyanin secreted by P. aeruginosa.

AB - The influence of outward extracellular electron transfer (EET) of Pseudomonas aeruginosa in accelerating corrosion of 304 stainless steel was investigated. With less NO3− available as electron acceptor, P. aeruginosa biofilm accelerated the pitting corrosion. The ICP-MS and XPS results indicated that P. aeruginosa promoted the bioreductive dissolution of iron oxides in the passive film of stainless steel. Using in situ scanning electrochemical microscopy, we established a relationship between this accelerated deterioration of the passive film and the EET process mediated by the conversion of the redox states of pyocyanin secreted by P. aeruginosa.

KW - Extracellular electron transfer

KW - Microbiological corrosion

KW - Pseudomonas aeruginosa

KW - Stainless steel

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DO - 10.1016/j.corsci.2022.110159

M3 - Article

AN - SCOPUS:85124475948

SN - 0010-938X

VL - 199

JO - Corrosion Science

JF - Corrosion Science

M1 - 110159

ER -

Acceleration of corrosion of 304 stainless steel by outward extracellular electron transfer of Pseudomonas aeruginosa biofilm

Abstract

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Keywords

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