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This study investigates the extracellular electron transfer of Bacillus cereus biofilm and its impact on the corrosion behavior of 316L stainless steel, revealing significant effects on the material's degradation.

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FUNDAMENTAL

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Abstract

Key findings

  • Bacillus cereus biofilm exhibits efficient extracellular electron transfer, leading to enhanced corrosion rates of 316L stainless steel.
  • The biofilm's electron transfer mechanism is influenced by the presence of iron ions, which facilitate the transfer process.
  • The corrosion behavior of 316L stainless steel is significantly altered in the presence of Bacillus cereus biofilm, with increased pitting and crevice corrosion observed.

Keywords

BiofilmBacillus cereusExtracellular polymeric substanceElectron transferCorrosionCereus

Identifiers

DOI
10.1016/j.colsurfb.2018.09.059
Journal
Colloids and Surfaces B: Biointerfaces
Year
2019