Please enable it to take advantage of the complete set of features! eCollection 2019. 2012 Dec 1;40(6):1227-32. doi: 10.1042/BST20120162. This … Uranium is a metal and as such, it has excellent electrical When did organ music become associated with baseball? These conductive trends are believed to be associated with graphitic-sulphidic structures in basement rocks, which are commonly associated with uranium mineralization systems. Reduction of U(VI) to U(IV) ( A ) and TEM images of unstained…, U L III -edge EXAFS spectra (symbols) and models (line). Epub 2014 Aug 15. COVID-19 is an emerging, rapidly evolving situation. 2013 Oct;79(20):6369-74. doi: 10.1128/AEM.02551-13. 2020 Sep 23;202(20):e00331-20. Biochem Soc Trans. All Rights Reserved. We evaluate the electronic contribution to the thermal conductivity, by combining first-principles quantum-mechanical calculations with semiclassical correlations. This concept was proven for the Warrior trend Pili expression significantly enhanced the rate and extent of uranium immobilization per cell and prevented periplasmic mineralization. | Walker DJF, Nevin KP, Holmes DE, Rotaru AE, Ward JE, Woodard TL, Zhu J, Ueki T, Nonnenmann SS, McInerney MJ, Lovley DR. ISME J. These conductive trends are believed to be associated with graphitic-sulphidic structures in basement rocks, which are commonly associated with uranium mineralization systems. USA.gov. Because Fe(III) oxide reduction requires the expression of Geobacter's conductive pili, we evaluated their contribution to uranium reduction in Geobacter sulfurreducens grown under pili-inducing or noninducing conditions. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error, Effect of U(VI) exposure on cell vitality (. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. A pilin-deficient mutant and a … Extracellular reduction of uranium via Geobacter conductive pili as a protective cellular mechanism Dena L. Cologgia, Sanela Lampa-Pastirka, Allison M. Speersa, Shelly D. Kellyb, and Gemma Regueraa,1 aDepartment of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824; and bExtended X-ray Absorption Fine Structure | Adv Microb Physiol. Thermal Conductivity Formula - Equation. Epub 2013 Aug 9. Extracellular reduction of uranium via Geobacter conductive pili as a protective cellular mechanism. conductivity. The in situ stimulation of Fe(III) oxide reduction by Geobacter bacteria leads to the concomitant precipitation of hexavalent uranium [U(VI)] from groundwater. NIH How long does a fresh turkey last in the refrigerator? Orellana R, Leavitt JJ, Comolli LR, Csencsits R, Janot N, Flanagan KA, Gray AS, Leang C, Izallalen M, Mester T, Lovley DR. Appl Environ Microbiol. Cologgi DL, Speers AM, Bullard BA, Kelly SD, Reguera G. Appl Environ Microbiol. Get the latest public health information from CDC: https://www.coronavirus.gov. See this image and copyright information in PMC. | This site needs JavaScript to work properly. But because the oceans are enormous and uranium’s concentration in seawater is so low—roughly 3 ppb—extracting the metal is a tough job. Protein Nanowires: the Electrification of the Microbial World and Maybe Our Own. Because Fe(III) oxide reduction requires the expression of Geobacter's conductive pili, we evaluated their contribution to uranium reduction in Geobacter sulfurreducens grown under pili-inducing or noninducing conditions. Thermal conductivity of uranium: 27 W/m.K. HHS 2019 Dec 10;10(6):e02721-19. Find NCBI SARS-CoV-2 literature, sequence, and clinical content: https://www.ncbi.nlm.nih.gov/sars-cov-2/. Cosert KM, Castro-Forero A, Steidl RJ, Worden RM, Reguera G. mBio. Phys Chem Chem Phys. These findings demonstrate a previously unrecognized role for Geobacter conductive pili in the extracellular reduction of uranium, and highlight its essential function as a catalytic and protective cellular mechanism that is of interest for the bioremediation of uranium-contaminated groundwater. 2020 Mar;14(3):837-846. doi: 10.1038/s41396-019-0575-9. Print 2020 Sep 23. Enzymatic Bioremediation of Organophosphate Compounds-Progress and Remaining Challenges. Is it ok to eat a frozen turkey with black spots on it? Copyright © 2020 Multiply Media, LLC. The thermal conductivity of uranium dioxide is very low when compared with metal uranium, uranium nitride, uranium carbide and zirconium cladding material. Modified adsorbent with conductive polymer grabs uranium from seawater quickly New material could help extract oceans’ vast but dilute supply of nuclear fuel by Mitch Jacoby Bottom-Up Fabrication of Protein Nanowires via Controlled Self-Assembly of Recombinant. In contrast, the pilus-defective strains had different degrees of periplasmic mineralization matching well with their outer membrane c-cytochrome content. A pilin-deficient mutant and a genetically complemented strain with reduced outer membrane c-cytochrome content were used as controls. doi: 10.1128/mBio.02721-19. Syntrophus conductive pili demonstrate that common hydrogen-donating syntrophs can have a direct electron transfer option. 2019 Nov 8;7:289. doi: 10.3389/fbioe.2019.00289. As a result, pili expression also preserved the vital respiratory activities of the cell envelope and the cell's viability. Despite its promise for the bioremediation of uranium contaminants, the biological mechanism behind this reaction remains elusive. Is there a way to search all eBay sites for different countries at once? The UO2 is pressed into pellets , these pellets are then sintered into the solid. ( A )…, Effect of U(VI) exposure on cell vitality ( A ) and viability (…, NLM doi: 10.1128/JB.00331-20. Who is the longest reigning WWE Champion of all time? U(VI) reduction by diverse outer surface c-type cytochromes of Geobacter sulfurreducens. 2012 Dec 1;40(6):1186-90. doi: 10.1042/BST20120131. Modified adsorbent with conductive polymer grabs uranium from seawater quickly. Clipboard, Search History, and several other advanced features are temporarily unavailable. Fig. Earth’s oceans contain more than 4 billion metric tons of dissolved uranium. We investigate the electronic thermal conductivity of alternative fuels like uranium nitride and uranium carbide. Enhanced uranium immobilization and reduction by Geobacter sulfurreducens biofilms. Epub 2020 Jan 2. R01 ES017052/ES/NIEHS NIH HHS/United States, R01ES017052-03/ES/NIEHS NIH HHS/United States.
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