Search Results - "Deflaun, M"

Precipitation of arsenic under sulfate reducing conditions and subsequent leaching under aerobic conditions by Onstott, T.C., Chan, E., Polizzotto, M.L., Lanzon, J., DeFlaun, M.F.

“…► We induced sulfate reduction in As-bearing groundwater and decreased As content. ► We produced microcrystalline overgrowths of FeAsS, AsS, sulfur and…”
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Microbial risk assessment for recreational use of the Chicago area waterway system by Rijal, G, Tolson, J K, Petropoulou, C, Granato, T C, Glymph, A, Gerba, C, Deflaun, M F, O'Connor, C, Kollias, L, Lanyon, R

“…A microbial risk assessment was conducted to estimate the human health risks from incidental contact recreational activities such as canoeing, boating and…”
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Isolation and characterization of a Geobacillus thermoleovorans strain from an ultra-deep South African gold mine by DeFlaun, M.F., Fredrickson, J.K, Dong, H., Pfiffner, S.M., Onstott, T.C., Balkwill, D.L., Streger, S.H., Stackebrandt, E., Knoessen, S., van Heerden, E.

“…A thermophilic facultative bacterial isolate was recovered from 3.2 km depth in a gold mine in South Africa. This isolate, designated GE-7, was cultivated from…”
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Alterations in Adhesion, Transport, and Membrane Characteristics in an Adhesion-Deficient Pseudomonad by DEFLAUN, M. F, OPPENHEIMER, S. R, STREGER, S, CONDEE, C. W, FLETCHER, M

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Dry and wet weather microbial characterization of the Chicago area waterway system by Rijal, G, Petropoulou, C, Tolson, J K, DeFlaun, M, Gerba, C, Gore, R, Glymph, T, Granato, T, O'Connor, C, Kollias, L, Lanyon, R

“…The Chicago Area Waterway System (CAWS) is a man-made channel, which serves the Chicago area for the drainage of urban storm water and the conveyance of…”
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The Origin and Age of Biogeochemical Trends in Deep Fracture Water of the Witwatersrand Basin, South Africa by Onstott, T. C., Lin, L.-H., Davidson, M., Mislowack, B., Borcsik, M., Hall, J., Slater, G., Ward, J., Lollar, B. Sherwood, Lippmann-Pipke, J., Boice, E., Pratt, L. M., Pfiffner, S., Moser, D., Gihring, T., Kieft, Thomas L., Phelps, Tommy J., Vanheerden, E., Litthaur, D., Deflaun, M., Rothmel, R., Wanger, G., Southam, G.

“…Water residing within crustal fractures encountered during mining at depths greater than 500 meters in the Witwatersrand basin of South Africa represents a…”
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Surfactant Foam/Bioaugmentation Technology for In Situ Treatment of TCE-DNAPLs by Rothmel, Randi K, Peters, Robert W, St. Martin, Edward, DeFlaun, Mary F

“…Chlorinated solvents such as trichloroethylene (TCE) are prevalent aquifer contaminants. Depending on the degree of contamination, their physical properties…”
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Development of a Vital Fluorescent Staining Method for Monitoring Bacterial Transport in Subsurface Environments by FULLER, Mark E, STREGER, Sheryl H, ROTHMEL, Randi K, MAILLOUX, Brian J, HALL, James A, ONSTOTT, Tullis C, FREDRICKSON, James K, BALKWILL, David L, DEFLAUN, Mary F

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Temporal Shifts in the Geochemistry and Microbial Community Structure of an Ultradeep Mine Borehole Following Isolation by Moser, D. P., Onstott, T. C., Fredrickson, J. K., Brockman, F. J., Balkwill, D. L., Drake, G. R., Pfiffner, S. M., White, D. C., Takai, K., Pratt, L. M., Fong, J., Lollar, B. Sherwood, Slater, G., Phelps, T. J., Spoelstra, N., Deflaun, M., Southam, G., Welty, A. T., Baker, B. J., Hoek, J.

“…A borehole draining a water-bearing dyke fracture at 3.2-km depth in a South African Au mine was isolated from the open mine environment. Geochemical, stable…”
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Ferrographic Tracking of Bacterial Transport in the Field at the Narrow Channel Focus Area, Oyster, VA by Johnson, P, Zhang, P, Fuller, M. E, Scheibe, T. D, Mailloux, B. J, Onstott, T. C, DeFlaun, M. F, Hubbard, S. S, Radtke, J, Kovacik, W. P, Holben, W

“…The first results from an innovative bacterial tracking technique, ferrographic capture, applied to bacterial transport in groundwater are reported in this…”
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Physical versus chemical effects on bacterial and bromide transport as determined from on site sediment column pulse experiments by Hall, J.A., Mailloux, B.J., Onstott, T.C., Scheibe, T.D., Fuller, M.E., Dong, H., DeFlaun, M.F.

“…Twenty-eight bacterial and Br transport experiments were performed in the field to determine the effects of physical and chemical heterogeneity of the aquifer…”
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Evidence for Detachment of Indigenous Bacteria from Aquifer Sediment in Response to Arrival of Injected Bacteria by JOHNSON, W. P, ZHANG, P, GARDNER, P. M, FULLER, M. E, DEFLAUN, M. F

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Dynamics of extracellular DNA in the marine environment by PAUL, J. H, JEFFREY, W. H, DEFLAUN, M. F

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In situ imaging of microorganisms in geologic material by Tobin, K.J, Onstott, T.C, DeFlaun, M.F, Colwell, F.S, Fredrickson, J

“…In order to fully delineate the interactions of microorganisms with geological substrates, unequivocal identification of intact microbial cells within geologic…”
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Tn5 insertion mutants of Pseudomonas fluorescens defective in adhesion to soil and seeds by DeFlaun, M.F, Marshall, B.M, Kulle, E.P, Levy, S.B

“…Tn5 insertion mutants of a soil isolate, Pseudomonas fluorescens Pf0-1, were selected for decreased ability to adhere to quartz sand in a column assay. Three…”
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Degradation of Hydrohalocarbons and Brominated Compounds by Methane- and Propane-Oxidizing Bacteria by Streger, Sheryl H, Condee, Charles W, Togna, A. Paul, DeFlaun, Mary F

“…Concern over the use of chemicals that potentially contribute to ozone depletion and the greenhouse effect has led to a ban on chlorofluorocarbons (CFCs) and…”
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Relative Dominance of Physical versus Chemical Effects on the Transport of Adhesion-Deficient Bacteria in Intact Cores from South Oyster, Virginia by Dong, Hailiang, Onstott, T. C, DeFlaun, Mary F, Fuller, Mark E, Scheibe, Timothy D, Streger, Sheryl H, Rothmel, Randi K, Mailloux, Brian J

“…Bacterial transport experiments were conducted using intact sediment cores collected from sites on the Delmarva Peninsula near South Oyster, VA, to delineate…”
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Electrokinetic transport of bacteria by DeFlaun, Mary F., Condee, Charles W.

“…The remediation field is in need of a simple, safe, and cost-effective technology that directly treats contaminants sorbed to aquifer solids. In the absence of…”
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Development of an adhesion assay and characterization of an adhesion-deficient mutant of Pseudomonas fluorescens by DeFlaun, M.F. (Tufts University School of Medicine, Boston, MA), Tanzer, A.S, McAteer, A.L, Marshall, B, Levy, S.B

“…A sand column adhesion assay was developed which distinguishes the adhesion abilities of a number of pseudomonads isolated from fine sandy loam. Pseudomonas…”
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A Modular Injection System, Multilevel Sampler, and Manifold for Tracer Tests by Mailloux, Brian J., Fuller, Mark E., Rose, George F., Onstott, Tullis C., DeFlaun, Mary F., Alvarez, Enrique, Hemingway, Chris, Hallet, R. Bruce, Phelps, Tommy J., Griffin, Timothy

“…Ground water injection and sampling systems were developed for bacterial transport experiments in both homogenous and heterogeneous unconsolidated, surficial…”
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