Biorecovery of gold

Indian Journal of Experimental Biology
Special Issue on Bioremediation & Biodegradation 6086_Eisler.pdf


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Recovery of ionic and metallic gold (Au) from a wide variety of solutions by selected species of bacteria, yeasts, fungi, algae, and higher plants is documented. Gold accumulations were up to 7.0 g/kg dry weight (DW) in various species of bacteria, 25.0 g/kg DW in freshwater algae, 84.0 g/kg DW in peat, and 100.0 g/kg DW in dried fungus mixed with keratinous material. Mechanisms of accumulation include oxidation, dissolution, reduction, leaching, and sorption. Uptake patterns are significantly modified by the physicochemical milieu. Crab exoskeletons accumulate up to 4.9 g Au/kg DW; however, gold accumulations in various tissues of living teleosts, decapod crustaceans, and bivalve molluscs are negligible.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Biorecovery of gold
Series title Indian Journal of Experimental Biology
Volume 41
Issue 9
Year Published 2003
Language English
Contributing office(s) Patuxent Wildlife Research Center
Description 967-971
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Indian Journal of Experimental Biology
First page 967
Last page 971
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