Electronic Resource
Chester
:
International Union of Crystallography (IUCr)
Journal of synchrotron radiation
8 (2001), S. 943-945
ISSN:
1600-5775
Source:
Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Topics:
Geosciences
,
Physics
Notes:
Five microbes were isolated from metal amended enrichment cultures derived from the sediments of a lake contaminated by a zinc smelter. Each of these organisms was grown in pure culture in the presence of zinc. Quick Extended X-ray Absorption Fine Structure (QEXAFS) spectroscopy was used to investigate the average coordination environment of the zinc associated with the microbial biomass. Fitting of the first coordination shell of zinc shows that significant differences exist for each microbial species examined. The coordination environment of zinc varies between sulfurs to six-fold nitrogen/oxygen, with two microbial strains showing mixed coordination shells. Further study is required in order to characterize these sites and their locations within the cell.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1107/S0909049500020975
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