Effects of toxic metals and chemicals on biofilm and biocorrosion

Herbert H.P. Fang, Li Chong Xu, Kwong Yu Chan

Research output: Contribution to journalArticlepeer-review

251 Scopus citations


Microbes in marine biofilms aggregated into clusters and increased the production of extracellular polymeric substances (EPS), by over 100% in some cases, when the seawater media containing toxic metals and chemicals, such as Cd(II), Cu(II), Pb(II), Zn(II), Al(III), Cr(III), glutaraldehyde, and phenol. The formation of microbial cluster and the increased production of EPS, which contained 84-92% proteins and 8-16% polysaccharides, accelerated the corrosion of the mild steel. However, there was no quantitative relationship between the degree of increased corrosion and the toxicity of metals/chemicals towards sulfate-reducing bacteria, or the increased EPS production.

Original languageEnglish (US)
Pages (from-to)4709-4716
Number of pages8
JournalWater Research
Issue number19
StatePublished - Nov 2002

All Science Journal Classification (ASJC) codes

  • Ecological Modeling
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution


Dive into the research topics of 'Effects of toxic metals and chemicals on biofilm and biocorrosion'. Together they form a unique fingerprint.

Cite this