Cyano-metal complexes uptake by Aspergillus niger

Aspergillus niger was grown in an industrial gold mining solution containing cyano-metal complexes. Gold, silver, copper, iron and zinc were accumulated, and the major mechanism of metal uptake involved metal precipitation on the cell surface. This could he achieved by the extensive application of i...

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Bibliographic Details
Published in:Biotechnology letters 1999-06, Vol.21 (6), p.487-490
Main Authors: Gomes, N.C.M, Fiqueira, M.M, Camargos, E.R.S, Mendonca-Hagler, L.C.S, Dias, J.C.T, Linardi, V.R
Format: Article
Language:English
Subjects:
Aspergillus niger
bioaccumulation
Biological and medical sciences
Biology of microorganisms of confirmed or potential industrial interest
Biotechnology
copper
Fundamental and applied biological sciences. Psychology
Gold
Gold mines & mining
iron
Metal complexes
Miscellaneous
Mission oriented research
Silver
zinc
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Summary:Aspergillus niger was grown in an industrial gold mining solution containing cyano-metal complexes. Gold, silver, copper, iron and zinc were accumulated, and the major mechanism of metal uptake involved metal precipitation on the cell surface. This could he achieved by the extensive application of instrumental analyses combined to the study of the chemical composition of the solutions, before and after contact with the fungus.
ISSN:0141-5492
1573-6776
DOI:10.1023/A:1005531818539