Search Results - "Dixon, D A"

THE AMUNDSEN SEA LOW: Variability, Change, and Impact on Antarctic Climate by Raphael, M. N., Marshall, G. J., Turner, J., Fogt, R. L., Schneider, D., Dixon, D. A., Hoskingng, J. S., Jones, J. M., Hobbs, W. R.

“…The Amundsen Sea low (ASL) is a climatological low pressure center that exerts considerable influence on the climate of West Antarctica. Its potential to…”
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Precipitation variability in the winter rainfall zone of South Africa during the last 1400 yr linked to the austral westerlies by Stager, J. C, Mayewski, P. A, White, J, Chase, B. M, Neumann, F. H, Meadows, M. E, King, C. D, Dixon, D. A

“…The austral westerlies strongly influence precipitation and ocean circulation in the southern temperate zone, with important consequences for cultures and…”
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Variations in snow and firn chemistry along US ITASE traverses and the effect of surface glazing by Dixon, D. A, Mayewski, P. A, Korotkikh, E, Sneed, S. B, Handley, M. J, Introne, D. S, Scambos, T. A

“…This study provides a baseline from which changes in the chemistry of the atmosphere over Antarctica can be monitored under expected warming scenarios and…”
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A common single-nucleotide polymorphism in cyclooxygenase-2 disrupts microRNA-mediated regulation by Moore, A E, Young, L E, Dixon, D A

“…Elevated expression of the prostaglandin synthase cyclooxygenase-2 (COX-2) is commonly observed in many chronic inflammatory diseases and cancer. However, the…”
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Altered expression of the mRNA stability factor HuR promotes cyclooxygenase-2 expression in colon cancer cells by Dixon, D A, Tolley, N D, King, P H, Nabors, L B, McIntyre, T M, Zimmerman, G A, Prescott, S M

“…Cyclooxygenase-2 (COX-2) expression is normally tightly regulated. However, constitutive overexpression plays a key role in colon carcinogenesis. To understand…”
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Biochemistry of homologous recombination in Escherichia coli by KOWALCZYKOWSKI, S. C, DIXON, D. A, EGGLESTON, A. K, LAUDER, S. D, REHRAUER, W. M

“…Homologous recombination is a fundamental biological process. Biochemical understanding of this process is most advanced for Escherichia coli. At least 25 gene…”
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Hydraulic conductivity of clays in confined tests under low hydraulic gradients by Dixon, D A, Graham, J, Gray, M N

“…Clay barriers normally function at hydraulic gradients much lower than are commonly used in laboratory tests for hydraulic conductivity. This paper describes…”
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Influence of Gamma Irradiation on the Chemical Composition of Polychlorotrifluoroethylene and Polytetrafluoroethylene by Allayarov, S. R., Dixon, D. A., Allayarov, R. S.

“…The chemical composition of the surfaces of γ-irradiated polytetrafluoroethylene and polychlorotrifluoroethylene plates has been studied by X-ray photoelectron…”
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Functionalization of Polypropylene Subjected to Gamma-Irradiation and Postradiation High-Temperature Shear Grinding and Its Toxic Properties by Allayarova, U. Yu, Allayarov, S. R., Demidov, S. V., Baimuratova, R. K., Chekalina, S. D., Mishchenko, D. V., Klimanova, E. N., Abdusalamov, A. B., Dixon, D. A.

“…The results of a Fourier-transform IR spectroscopic study of polypropylene (PP) subjected to gamma-irradiation and post-irradiation high-temperature shear…”
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Influence of Irradiation with Helium Ions on the Surface Properties of Kynar Polyvinylidene Fluoride by Shaimukhametova, I. F., Bogdanova, S. A., Allayarov, S. R., Dixon, D. A.

“…The surface energy characteristics of polyvinylidene fluoride irradiated with accelerated helium ions have been investigated. The bombardment of the polymer…”
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Influence of Accelerated Protons on the Molecular–Topological Structure of Polyethylene by Allayarov, S. R., Olkhov, Yu. A., Dixon, D. A., Allayarov, R. S.

“…The effect of MeV protons on the surface properties of a low-density polyethylene film was studied using EPR spectroscopy and thermomechanical spectrometry…”
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HuR mediates the synergistic effects of angiotensin II and IL‐1β on vascular COX‐2 expression and cell migration by Aguado, A, Rodríguez, C, Martínez‐Revelles, S, Avendaño, M S, Zhenyukh, O, Orriols, M, Martínez‐González, J, Alonso, M J, Briones, A M, Dixon, D A, Salaices, M

“…Background and Purpose Angiotensin II (AngII) and IL‐1β are involved in cardiovascular diseases through the induction of inflammatory pathways. HuR is an…”
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HuR mediates the synergistic effects of angiotensin II and IL-1[beta] on vascular COX-2 expression and cell migration by Aguado, A, Rodriguez, C, Martinez-Revelles, S, Avendano, M S, Zhenyukh, O, Orriols, M, Martinez-Gonzalez, J, Alonso, M J, Briones, A M, Dixon, D A, Salaices, M

“…Background and Purpose Angiotensin II (AngII) and IL-1[beta] are involved in cardiovascular diseases through the induction of inflammatory pathways. HuR is an…”
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Structural Criteria for the Rational Design of Selective Ligands. 3. Quantitative Structure−Stability Relationship for Iron(III) Complexation by Tris-Catecholamide Siderophores by Hay, Benjamin P, Dixon, David A, Vargas, Rubicelia, Garza, Jorge, Raymond, Kenneth N

“…We present an extended MM3 model for catecholamide ligands and their Fe3+ complexes and the application of this model to understand how ligand architecture…”
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Sealing materials for a deep geological repository: evaluation of swelling pressure and hydraulic conductivity data for bentonite-based sealing materials proposed for use in placement rooms by Dixon, D.A, Stone, J, Birch, K, Kim, C.S

“…Several countries are planning to safely contain and isolate used nuclear fuel in a deep geologic repository. Similar to other countries, Canada's Nuclear…”
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Fully relativistic correlated benchmark results for uranyl and a critical look at relativistic effective core potentials for uranium by de Jong, W. A., Harrison, R. J., Nichols, J. A., Dixon, D. A.

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The recombination hotspot chi is a regulatory sequence that acts by attenuating the nuclease activity of the E. coli RecBCD enzyme by Dixon, D A, Kowalczykowski, S C

“…The RecBCD enzyme is a multifunctional enzyme that is essential for homologous recombination in E. coli. In vitro, the RecBCD enzyme degrades linear…”
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An EPR Study of Gamma-Irradiated Polyvinyl Alcohol by Allayarov, S. R., Akimov, A. V., Dixon, D. A., Allayarova, U. Yu, Mishenko, D. V., Frolov, I. A.

“…In the course of γ-irradiation at 77 K, polyvinyl alcohol accumulates alkyl radicals (formed upon hydrogen atom abstraction) and radical anions (resulting from…”
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Elemental Analysis of Polychlorotrifluoroethylene Bombarded with Accelerated MeV Protons and the Composition of Gaseous Products by Allayarov, S. R., Dixon, D. A., Allayarova, U. Yu, Klimanova, E. N., Shaimukhametova, I. F., Bogdanova, S. A.

“…The action of accelerated 1–4-MeV protons on polychlorotrifluoroethylene in vacuum was accompanied by a preferential rupture of the main polymer chain with the…”
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Gaseous products of the bombardment of a tetrafluoroethylene–hexafluoropropylene copolymer with accelerated MeV protons by Allayarov, S. R., Dixon, D. A.

“…The action of 1- to 4-MeV protons on a copolymer of tetrafluoroethylene and hexafluoropropylene (FEP) in a vacuum is accompanied by the release of more than 25…”
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