Search Results - "Bryan, Nick D"

The influence of natural organic matter on radionuclide mobility under conditions relevant to cementitious disposal of radioactive wastes: A review of direct evidence by Stockdale, Anthony, Bryan, Nick D.

“…A concept for the disposal of intermediate level radioactive wastes involves emplacement within a geological disposal facility, followed by backfilling of the…”
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Corrosion and transport of depleted uranium in sand-rich environments by Handley-Sidhu, Stephanie, Bryan, Nick D., Worsfold, Paul J., Vaughan, David J., Livens, Francis R., Keith-Roach, Miranda J.

“…The firing of depleted uranium (DU) weapons during conflicts and military testing has resulted in the deposition of DU in a variety of sand-rich environments…”
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The effects of humic substances on the transport of radionuclides: Recent improvements in the prediction of behaviour and the understanding of mechanisms by Bryan, Nick D., Abrahamsen, Liam, Evans, Nick, Warwick, Peter, Buckau, Gunnar, Weng, Liping, Van Riemsdijk, Willem H.

“…Some recent developments made during the European Union 6th Framework Integrated Project FUNMIG in the understanding and prediction of behaviour in ternary…”
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Application of DGT to high pH environments: uptake efficiency of radionuclides of different oxidation states onto Chelex binding gel by Stockdale, Anthony, Bryan, Nick D

“…The DGT Chelex binding phase has not been tested for binding efficiency over the extreme high pH range (i.e., 10 to 13). Here, we examined the uptake…”
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Americium and plutonium association with magnesium hydroxide colloids in alkaline nuclear industry process environments by Maher, Zoe, Ivanov, Peter, O'Brien, Luke, Sims, Howard, Taylor, Robin J., Heath, Sarah L., Livens, Francis R., Goddard, David, Kellet, Simon, Rand, Peter, Bryan, Nick D.

“…The behaviours of Pu, Am and colloids in feed solutions to the Site Ion-exchange Effluent Plant (SIXEP) at the Sellafield nuclear reprocessing site in the U.K…”
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Humic acid sorption onto a quartz sand surface: A kinetic study and insight into fractionation by Pitois, Aurélien, Abrahamsen, Liam G., Ivanov, Peter I., Bryan, Nick D.

“…A kinetic study of Aldrich humic acid sorption onto a quartz sand surface has revealed an initial rapid uptake of humic acid molecules followed by a much…”
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The effect of EDTA on the groundwater transport of thorium through sand by May, Colin C., Young, Lindsay, Worsfold, Paul J., Heath, Sarah, Bryan, Nick D., Keith-Roach, Miranda J.

“…The effect of the anthropogenic complexing agent EDTA on thorium transport in groundwater has been studied using sand-packed columns and flow rates in the…”
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The effect of humic acid on uranyl sorption onto bentonite at trace uranium levels by Ivanov, Peter, Griffiths, Tamara, Bryan, Nick D, Bozhikov, Gospodin, Dmitriev, Serguei

“…The effect of humic acid (HA) on U(VI) sorption on bentonite was studied in batch experiments at room temperature and ambient atmosphere at a (237)U(VI)…”
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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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Seasonal Variations in Interstitial Water Transuranium Element Concentrations by Keith-Roach, Miranda J, Day, J. Philip, Fifield, L. Keith, Bryan, Nick D, Livens, Francis R

“…The porewater concentrations of the transuranium elements Np, Pu, and Am have been measured over time at a salt marsh in west Cumbria, U.K., and all three show…”
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Investigating humic substances interactions with Th4+, UO 2 2 + , and NpO 2 + at high pH: Relevance to cementitious disposal of radioactive wastes by Stockdale, Anthony, Bryan, Nick D., Lofts, Stephen, Tipping, Edward

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Investigating humic substances interactions with Th4+, UO22+, and NpO2+ at high pH: Relevance to cementitious disposal of radioactive wastes by Stockdale, Anthony, Bryan, Nick D., Lofts, Stephen, Tipping, Edward

“…A number of geodisposal concepts for intermediate level radioactive waste involve geological emplacement within cementitious repositories. Such facilities,…”
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Investigating humic substances interactions with Th⁴⁺, UO₂ ²⁺, and NpO₂ ⁺ at high pH: Relevance to cementitious disposal of radioactive wastes by Stockdale, Anthony, Bryan, Nick D, Lofts, Stephen, Tipping, Edward

“…A number of geodisposal concepts for intermediate level radioactive waste involve geological emplacement within cementitious repositories. Such facilities,…”
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The effects of humic substances on the transport of radionuclides: Recent improvements in the prediction of behaviour and the understanding of mechanisms: Fundamental processes of radionuclide migration in the geosphere by BRYAN, Nick D, ABRAHAMSEN, Liam, EVANS, Nick, WARWICK, Peter, BUCKAU, Gunnar, LIPING WENG, VAN RIEMSDIJK, Willem H

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The role of humic non-exchangeable binding in the promotion of metal ion transport in groundwaters in the environment by Bryan, Nick D, Jones, Dominic L M, Keepax, Rose E, Farrelly, Dean H, Abrahamsen, Liam G, Pitois, Aurelien, Ivanov, Peter, Warwick, Peter, Evans, Nick

“…Metal ions form strong complexes with humic substances. When the metal ion is first complexed by humic material, it is bound in an 'exchangeable' mode. The…”
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Magnesium hydroxide bulk and colloid-associated 152Eu in an alkaline environment: colloid characterisation and sorption properties in the presence and absence of carbonate by Pitois, Aurelien, Ivanov, Peter I, Abrahamsen, Liam G, Bryan, Nick D, Taylor, Robin J, Sims, Howard E

“…The distribution of 152Eu between magnesium hydroxide bulk, colloids and solution has been assessed under alkaline conditions, such as those in nuclear fuel…”
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The simultaneous modelling of metal ion and humic substance transport in column experiments by Bryan, Nick D, Barlow, Jenny, Warwick, Peter, Stephens, Sarah, Higgo, Jenny J W, Griffin, David

“…Pulsed column experiments using Co, fulvic acid and porous sediment packing, along with up/down-flooding experiments using Eu, humic acid and intact sandstone…”
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Effects of intensive glucose lowering on brain structure and function in people with type 2 diabetes (ACCORD MIND): a randomised open-label substudy by Launer, Lenore J, Dr, Miller, Michael E, PhD, Williamson, Jeff D, MD, Lazar, Ron M, PhD, Gerstein, Hertzel C, MD, Murray, Anne M, MD, Sullivan, Mark, MD, Horowitz, Karen R, MD, Ding, Jingzhong, PhD, Marcovina, Santica, PhD, Lovato, Laura C, MS, Lovato, James, MS, Margolis, Karen L, MD, O'Connor, Patrick, MD, Lipkin, Edward W, MD, Hirsch, Joy, MD, Coker, Laura, PhD, Maldjian, Joseph, MD, Sunshine, Jeffrey L, MD, Truwit, Charles, MD, Davatzikos, Christos, PhD, Bryan, R Nick, MD

“…Summary Background People with type 2 diabetes are at risk of cognitive impairment and brain atrophy. We aimed to compare the effects on cognitive function and…”
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Estimation of Model VII humic binding constants for Pd2+, Sn2+, U4+, NpO2(2+), Pu4+ and PuO2(2+) by Stockdale, Anthony, Bryan, Nick D, Lofts, Stephen

“…Using previously established procedures that utilise linear free energy relationships, we estimated binding constants for the Windermere Humic Aqueous Model…”
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The Action to Control Cardiovascular Risk in Diabetes Memory in Diabetes Study (ACCORD-MIND): Rationale, Design, and Methods by Williamson, Jeff D., MD, MHS, Miller, Michael E., PhD, Bryan, R. Nick, MD, PhD, Lazar, Ronald M., PhD, Coker, Laura H., PhD, Johnson, Janice, BS, Cukierman, Tali, MD, Horowitz, Karen R., MD, Murray, Anne, MD, MSc, Launer, Lenore J., PhD

“…Type 2 diabetes mellitus and cognitive impairment are 2 of the most common chronic conditions found in persons aged ≥60 years. Clinical studies have shown a…”
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