Research Topics
| E E RodenSummaryAffiliation: University of Alabama Country: USA Publications
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Detail Information
Publications
Competition between Fe(III)-reducing and methanogenic bacteria for acetate in iron-rich freshwater sedimentsE E Roden
Department of Biological Sciences, The University of Alabama, Tuscaloosa, AL 35487 0206, USA
Microb Ecol 45:252-8. 2003....
Conceptual and numerical model of uranium(VI) reductive immobilization in fractured subsurface sedimentsEric E Roden
Department of Biological Sciences, The University of Alabama, Box 870206, A122 Bevill Bldg 7th Ave Tuscaloosa, AL 35487 0206, United States
Chemosphere 59:617-28. 2005..e. uraninite) in the mesopore domain that is expected to be permanently immobile under sustained anaerobic conditions...
Diversion of electron flow from methanogenesis to crystalline Fe(III) oxide reduction in carbon-limited cultures of wetland sediment microorganismsEric E Roden
Department of Biological Sciences, The University of Alabama, Tuscaloosa, Alabama 35487 0206, USA
Appl Environ Microbiol 69:5702-6. 2003....
Microbial reduction of U(VI) at the solid-water interfaceOng-Hun Jeon
Department of Biological Sciences, The University of Alabama, Tuscaloosa, Alabama 35487-0206, USA
Environ Sci Technol 38:5649-55. 2004....
Chemical reduction of U(VI) by Fe(II) at the solid-water interface using natural and synthetic Fe(III) oxidesByong Hun Jeon
A122 Bevill Building, Department of Biological Sciences, The University of Alabama, Tuscaloosa, Alabama 35487 0206, USA
Environ Sci Technol 39:5642-9. 2005..This study demonstrates that abiotic, Fe(II)-driven U(VI) reduction is likely to be less efficient in natural soils and sediments than would be inferred from studies with synthetic Fe(III) oxides...
Bacterial reductive dissolution of crystalline Fe(III) oxide in continuous-flow column reactorsE E Roden
Department of Biological Sciences, The University of Alabama, Tuscaloosa, Alabama 35487 0206, USA
Appl Environ Microbiol 66:1062-5. 2000..These findings have important implications for understanding the fate of organic and inorganic contaminants whose geochemical behavior is linked to Fe(III) oxide reduction...
Suboxic deposition of ferric iron by bacteria in opposing gradients of Fe(II) and oxygen at circumneutral pHD Sobolev
Department of Biological Sciences, The University of Alabama, Tuscaloosa, Alabama, USA
Appl Environ Microbiol 67:1328-34. 2001....
Evidence for rapid microscale bacterial redox cycling of iron in circumneutral environmentsDmitri Sobolev
Department of Biological Sciences, The University of Alabama, Tuscaloosa 35487 0206, USA
Antonie Van Leeuwenhoek 81:587-97. 2002..Our results indicate that Fe(II)-oxidizing bacteria have the potential to enhance the coupling of Fe(II) oxidation and Fe(III) reduction at redox interfaces, thereby promoting rapid microscale cycling of Fe...
Changes in bacterial species composition in enrichment cultures with various dilutions of inoculum as monitored by denaturing gradient gel electrophoresisC R Jackson
Department of Biological Sciences, University of Alabama, Tuscaloosa, Alabama 35487, USA
Appl Environ Microbiol 64:5046-8. 1998..This inoculum dilution enrichment approach may facilitate the detection and isolation of a greater number of bacterial species than traditional enrichment techniques...
Anaerobic redox cycling of iron by freshwater sediment microorganismsKarrie A Weber
The University of Alabama, Department of Biological Sciences, Tuscaloosa, 35487 0206, USA
Environ Microbiol 8:100-13. 2006..Our findings suggest that microbially catalysed nitrate-dependent Fe(II) oxidation has the potential to contribute to a dynamic anaerobic Fe redox cycle in freshwater sediments...
Microbially catalyzed nitrate-dependent oxidation of biogenic solid-phase Fe(II) compoundsK A Weber
Department of Biological Sciences, University of Alabama, Tuscaloosa, Alabama 35487-0206, USA
Environ Sci Technol 35:1644-50. 2001..This process could have an important influence on the migration of contaminant metals and radionuclides in subsurface environments...
Microbial mercury transformation in anoxic freshwater sediments under iron-reducing and other electron-accepting conditionsKimberly A Warner
Department of Biological Sciences, The University of Alabama, Tuscaloosa, Alabama 35487-0206, USA
Environ Sci Technol 37:2159-65. 2003....
Effect of watershed parameters on mercury distribution in different environmental compartments in the Mobile Alabama River Basin, USAKimberly A Warner
Department of Biological Sciences, The University of Alabama, Tuscaloosa, AL 35487, USA
Sci Total Environ 347:187-207. 2005....
Effects of phosphate on uranium(VI) adsorption to goethite-coated sandTao Cheng
Department of Civil Engineering, Auburn University, Auburn, Alabama 36849, USA
Environ Sci Technol 38:6059-65. 2004..The model we established can successfully predict U(VI) adsorption in the presence of phosphate under a range of conditions (i.e., pH, total phosphate concentration, and total Fe concentration)...
Coupled Fe(II)-Fe(III) electron and atom exchange as a mechanism for Fe isotope fractionation during dissimilatory iron oxide reductionHeidi A Crosby
Department of Geology and Geophysics, University of Wisconsin Madison, 1215 West Dayton Street, Madison, Wisconsin 53706, USA
Environ Sci Technol 39:6698-704. 2005..The results indicate that sorption of Fe(II) to Fe(III) substrates cannot account for production of low-delta56Fe values for aqueous Fe(II) during DIR...
Effects of solid-to-solution ratio on uranium(VI) adsorption and its implicationsTao Cheng
Department of Civil Engineering, 238 Harbert Engineering Center, Auburn University, Auburn, Alabama 36849, USA
Environ Sci Technol 40:3243-7. 2006....
Reactive transport of uranium(VI) and phosphate in a goethite-coated sand column: an experimental studyTao Cheng
Department of Civil Engineering, 238 Harbert Engineering Center, Auburn University, Auburn, AL 36849, United States
Chemosphere 68:1218-23. 2007....
Biogeochemical processes in ethanol stimulated uranium-contaminated subsurface sedimentsSantosh R Mohanty
Department of Geology and Geophysics, 1215 W Dayton St, University of Wisconsin Madison, Wisconsin 53706, USA
Environ Sci Technol 42:4384-90. 2008..However, the redox speciation of uranium is complex and cannot be explained based on simplified thermodynamic considerations...
