Search Results - "Livens, F R"

Impact of the Fe(III)-reducing bacteria Geobacter sulfurreducens and Shewanella oneidensis on the speciation of plutonium by Renshaw, J. C, Law, N, Geissler, A, Livens, F. R, Lloyd, J. R

“…Microbial bioreduction of radionuclides has been the subject of much recent interest, in particular as a method for the in situ bioremediation of uranium…”
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Reduction of Uranium(VI) Phosphate during Growth of the Thermophilic Bacterium Thermoterrabacterium ferrireducens by KHIJNIAK, T. V, SLOBODKIN, A. I, COKER, V, RENSHAW, J. C, LIVENS, F. R, BONCH-OSMOLOVSKAYA, E. A, BIRKELAND, N.-K, MEDVEDEVA-LYALIKOVA, N. N, LLOYD, J. R

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Synthesis and Characterization of Uranyl Compounds with Iminodiacetate and Oxydiacetate Displaying Variable Denticity by Jiang, J, Sarsfield, M. J, Renshaw, J. C, Livens, F. R, Collison, D, Charnock, J. M, Helliwell, M, Eccles, H

“…Eight uranyl compounds containing the dicarboxylate ligands iminodiacetate (IDA) or oxydiacetate (ODA) have been characterized in the solid state. The…”
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An X-ray absorption study of the fate of technetium in reduced and reoxidised sediments and mineral phases by Morris, K., Livens, F.R., Charnock, J.M., Burke, I.T., McBeth, J.M., Begg, J.D.C., Boothman, C., Lloyd, J.R.

“…Technetium is a long lived (2.13 × 10 5 a), beta emitting radionuclide which is a groundwater contaminant at a number of nuclear facilities throughout the…”
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The influence of microbial redox cycling on radionuclide mobility in the subsurface at a low-level radioactive waste storage site by WILKINS, M. J., LIVENS, F. R., VAUGHAN, D. J., BEADLE, I., LLOYD, J. R.

“…ABSTRACT As anaerobic microbial metabolism can have a major impact on radionuclide speciation and mobility in the subsurface, the solubility of uranium,…”
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Solution Chemistry of Uranyl Ion with Iminodiacetate and Oxydiacetate:  A Combined NMR/EXAFS and Potentiometry/Calorimetry Study by Jiang, J, Renshaw, J. C, Sarsfield, M. J, Livens, F. R, Collison, D, Charnock, J. M, Eccles, H

“…The solution chemistry of uranyl ion with iminodiacetate (IDA) and oxydiacetate (ODA) was investigated using NMR and EXAFS spectroscopies, potentiometry, and…”
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An X-ray absorption spectroscopy study of the coprecipitation of Tc and Re with mackinawite (FeS) by Wharton, M.J, Atkins, B, Charnock a b, J.M, Livens, F.R, Pattrick, R.A.D, Collison, D

“…X-ray absorption spectroscopy (XAS) has been used to define the local chemical environments of Tc and its proposed chemical analogue Re in precipitates of…”
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Reduction of Actinides and Fission Products by Fe(III)-Reducing Bacteria by Lloyd, J. R., Chesnes, J., Glasauer, S., Bunker, D. J., Livens, F. R., Lovley, D. R.

“…Microbial metabolism plays a pivotal role in controlling the solubility and mobility of radionuclides in waters contaminated by nuclear waste. The distribution…”
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Adsorption of radium and barium on goethite and ferrihydrite: A kinetic and surface complexation modelling study by Sajih, M., Bryan, N.D., Livens, F.R., Vaughan, D.J., Descostes, M., Phrommavanh, V., Nos, J., Morris, K.

“…Radium and barium uptake onto ferrihydrite and goethite have been studied in the concentration range 1nM to 5mM and from pH 4 to 10, to develop a model to…”
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Uranium from seawater – Infinite resource or improbable aspiration? by Dungan, K., Butler, G., Livens, F.R., Warren, L.M.

“…The availability of uranium drives the future of the nuclear energy industry; an upper limit on uranium prices will determine whether it is economically viable…”
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Assessment of the disposability of radioactive waste inventories for a range of nuclear fuel cycles: Inventory and evolution over time by Dungan, K., Gregg, R.W.H., Morris, K., Livens, F.R., Butler, G.

“…Nuclear power has been identified as a key low emissions energy source, as such an understanding of fueling and disposal requirements of different fuel cycles…”
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X-ray Absorption Spectroscopy of Tricarbonatodioxouranate(V), [UO(2)(CO(3))(3)](5)(-), in Aqueous Solution by Docrat, T. I., Mosselmans, J. F. W., Charnock, J. M., Whiteley, M. W., Collison, D., Livens, F. R., Jones, C., Edmiston, M. J.

“…Actinyl ions (AnO(2)(+) and AnO(2)(2+)) are strongly complexed by CO(3)(2)(-) in aqueous solution, and tricarbonato complexes of UO(2)(2+) and NpO(2)(+), in…”
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Evidence for the Remobilization of Sellafield Waste Radionuclides in an Intertidal Salt Marsh, West Cumbria, U.K by Morris, K., Butterworth, J.C., Livens, F.R.

“…Intertidal sediments in north-west England contain enhanced levels of artificial radionuclides due to the authorized release of low-level liquid waste from the…”
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Decontamination of caesium and strontium from stainless steel surfaces using hydrogels by Moore, J.J., Raine, T.P., Jenkins, A., Livens, F.R., Law, K.A., Morris, K., Law, G.T.W., Yeates, S.G.

“…Current methods for the decontamination of radioactively contaminated surfaces in nuclear facilities typically rely on the use of liquid agents to remove…”
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The kinetics and mechanisms of simulated British Magnox waste glass dissolution as a function of pH, silicic acid activity and time in low temperature aqueous systems by Abraitis, P.K., Livens, F.R., Monteith, J.E., Small, J.S., Trivedi, D.P., Vaughan, D.J., Wogelius, R.A.

“…Dissolution of a simulated British Magnox waste glass is governed by two pH-dependent processes. At low pH, dissolution is governed by reactions occurring…”
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Seasonal Changes in the Microbial Community of a Salt Marsh, Measured by Phospholipid Fatty Acid Analysis by Keith-Roach, M. J., Bryan, N. D., Bardgett, R. D., Livens, F. R.

“…Microbial activity within the environment can have distinct geochemical effects, and so changes in a microbial community structure can result in geochemical…”
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Determination of radionuclide exchangeability in freshwater systems by Bunker, D.J, Smith, J.T, Livens, F.R, Hilton, J

“…Two freshwater sediments were spiked with 57Co, 85Sr and 134Cs and left for adsorption times ranging from 1 day to over 60 days. Following adsorption, the…”
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Selectivity in the complexation of actinides by humic substances by Zhang, Y.J., Bryan, N.D., Livens, F.R., Jones, M.N.

“…The interactions of a range of actinide elements (Th, U, Np, Pu, Am) with humic substances from the Needle's Eye natural analogue site were studied by gel…”
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Plutonium solubility in sediment pore waters by Morris, K., Bryan, N.D., Livens, F.R.

“…Using in situ porous cup samplers, dissolved Pu concentrations have been measured over a year in the pore waters from two contrasting sites in the valley of…”
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Aggregation of humic substances by metal ions measured by ultracentrifugation by Bryan, N.D, Jones, M.N, Birkett, J, Livens, F.R

“…UV scanning analytical ultracentrifugation has been used to measure the aggregation of dissolved humic substances by metal ions. An adaptation of the Archibald…”
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