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More about Interaction of Selected Actinides (U, Cm) with Bacteria Relevant to Nuclear Waste Disposal

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Book synopsis

To assess the safety of a site destined for storage of nuclear waste enhanced research effort is demanded to investigate the complex interactions of released radionuclides with parts of the environment that includes indigenous microorganisms. This work aimed at assessing the interactions of two bacterial strains with the actinides uranium and curium with a focus on thermodynamics to provide stability constants of the actinide bacteria species formed usable for modelling the distribution of these actinides in the environment. The influences of Pseudomonas fluorescens (CCUG 32456A) isolated from the granitic aquifers at Äspö (Sweden) and a novel isolate from Mont Terri Opalinus clay (Switzerland), Paenibacillus sp. MT-2.2, were investigated. A combined approach using microbiological and spectroscopic techniques as well as potentiometry was employed to characterize the U(VI) and Cm(III) binding onto the cell surface functional groups structurally and thermodynamically. Further, due to its similar ionic radius to Cm(III) also Eu(III) was studied as non-radioactive analog.

Book details

• Full title: Interaction of Selected Actinides (U, Cm) with Bacteria Relevant to Nuclear Waste Disposal
• Author: Laura Lütke
• Language: English
• Binding: Paperback
• Number of pages: 138
• EAN: 9783844020939
• ISBN: 3844020934
• ID: 12709320
• Publisher: Shaker Verlag
• Weight: 196 g
• Dimensions: 211 × 146 × 15 mm
• Date of publishing: July 2013

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