Effects of toxic metals and chemicals on biofilm and biocorrosion
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 phen...
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| Veröffentlicht in: | Water research (Oxford) 2002-11, Vol.36 (19), p.4709-4716 |
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| creator | Fang, Herbert H.P Xu, Li-Chong Chan, Kwong-Yu |
| description | 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. |
| doi_str_mv | 10.1016/S0043-1354(02)00207-5 |
| format | Article |
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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.</description><subject>Applied sciences</subject><subject>Biocorrosion</subject><subject>Biodeterioration. Biofouling</subject><subject>Biofilm</subject><subject>Biofilms</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>Corrosion</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Exact sciences and technology</subject><subject>Extracellular polymeric substances (EPS)</subject><subject>Fundamental and applied biological sciences. 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| subjects | Applied sciences Biocorrosion Biodeterioration. Biofouling Biofilm Biofilms Biological and medical sciences Biotechnology Corrosion Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Extracellular polymeric substances (EPS) Fundamental and applied biological sciences. Psychology glutaraldehyde Industrial applications and implications. Economical aspects Metals, Heavy - chemistry Natural water pollution Phenols Pollution Pollution, environment geology Polymers Population Dynamics Seawaters, estuaries Steel Sulfate-reducing bacteria (SRB) Sulfur-Reducing Bacteria - physiology Toxicity Water treatment and pollution |
| title | Effects of toxic metals and chemicals on biofilm and biocorrosion |
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