For the past 10 years, Australian and European water professionals have been using an organic chemical compound to treat iron related bacteria in locations which historically have the worst iron problems in the world. Using a video camera to access the problem, we will present a case study from...
which disrupts their growth and eliminates biofilm (the slimy layer iron bacteria produce). When added to well water, chlorine also oxidizes iron, turning dissolved iron (ferrous) into solid particles (ferric) that can be filtered out. This process removes both the bacteria and the...
Another group of microorganisms living in these environments are acidophilic ferric iron reducing bacteria. This group of microorganisms has been discovered only relatively recently. Acidophilic heterotrophic bacteria reduce ferric iron in either soluble or solid forms to ferrous iron. The reductive ...
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The important results obtained on the identification of iron-sulfur oxdidizing bacteria and the properties of iron oxidizing bacteria in metal mine water were as follows: (1) The species of chemosynthetic iron-sulfur oxidizing bacteria have been isolated from the mine water from Komagi Mine. These...
its readily availability and (2) its environmental friendliness implying the generation of non-toxic hydroxides and oxides. Contaminants that have been successfully removed from aqueous solutions in the presence of Fe0include arsenic, bacteria, bromate, chromate, dyes, halogenated organics, mercury, nitr...
(ROS)) which can cause extensive damage to the cell. To avoid this fate, mammalian cells safely store most iron in the cytosol within protein cages of ferritin11. Ferritin has been highly conserved through evolution, with homologues found in plants and bacteria11. However, outside of the ...
In response to distinct environmental stresses, bacterial cell survival is facilitated by the formation of biofilms1,2. Cyclic dimeric GMP (c-di-GMP), a second messenger in bacteria, is the predominant regulator of biofilm formation and motility3. Previous research has demonstrated that bacterial mo...
A new approach for fortification of drinking water is presented for combating iron deficiency anemia (IDA) worldwide. The idea is to leach Fe from a bed containing granular metallic iron (Fe0), primarily using ascorbic acid (AA). AA forms very stable and
Reduction of Fe(III) in sediments by sulphate-reducing bacteria. Nature 361, 436–438 (1993). Article CAS Google Scholar Lovley, D. R., Roden, E. E., Phillips, E. J. P. & Woodward, J. C. Enzymatic iron and uranium reduction by sulfate-reducing bacteria. Mar. Geol. 113, 41–...