Search Results - "Parkin, Gene"

Performance comparison of hematite (α-Fe2O3)-polymer composite and core-shell nanofibers as point-of-use filtration platforms for metal sequestration by Greenstein, Katherine E., Myung, Nosang V., Parkin, Gene F., Cwiertny, David M.

“…Point-of-use water treatment technologies can help mitigate risks from drinking water contamination, particularly for metals (and metalloids) that originate in…”
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Tailored Synthesis of Photoactive TiO2 Nanofibers and Au/TiO2 Nanofiber Composites: Structure and Reactivity Optimization for Water Treatment Applications by Nalbandian, Michael J, Greenstein, Katherine E, Shuai, Danmeng, Zhang, Miluo, Choa, Yong-Ho, Parkin, Gene F, Myung, Nosang V, Cwiertny, David M

“…Titanium dioxide (TiO2) nanofibers with tailored structure and composition were synthesized by electrospinning to optimize photocatalytic treatment efficiency…”
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Influence of Chloride and Fe(II) Content on the Reduction of Hg(II) by Magnetite by Pasakarnis, Timothy S, Boyanov, Maxim I, Kemner, Kenneth M, Mishra, Bhoopesh, O’Loughlin, Edward J, Parkin, Gene, Scherer, Michelle M

“…Abiotic reduction of inorganic mercury by natural organic matter and native soils is well-known, and recently there is evidence that reduced iron (Fe) species,…”
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Nitrogen Removal from Wastewater by an Aerated Subsurface-Flow Constructed Wetland in Cold Climates by Redmond, Eric D., Just, Craig L., Parkin, Gene F.

“…The objective of this study was to assess the role of cyclic aeration, vegetation, and temperature on nitrogen removal by subsurface-flow engineered wetlands…”
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Influence of electron donor, oxygen, and redox potential on bacterial perchlorate degradation by Shrout, Joshua D., Parkin, Gene F.

“…Experiments were conducted to assess the influence of electron donor, redox potential, and dissolved oxygen on bacterial perchlorate degradation. Microcosms…”
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Tailored synthesis of photoactive TiO ₂ nanofibers and Au/TiO ₂ nanofiber composites: structure and reactivity optimization for water treatment applications by Nalbandian, Michael J, Greenstein, Katherine E, Shuai, Danmeng, Zhang, Miluo, Choa, Yong-Ho, Parkin, Gene F, Myung, Nosang V, Cwiertny, David M

“…Titanium dioxide (TiO2) nanofibers with tailored structure and composition were synthesized by electrospinning to optimize photocatalytic treatment efficiency…”
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Partial nitritation ANAMMOX in submerged attached growth bioreactors with smart aeration at 20 °C by Shannon, James M, Hauser, Lee W, Liu, Xikun, Parkin, Gene F, Mattes, Timothy E, Just, Craig L

“…Submerged attached growth bioreactors (SAGBs) were operated at 20 °C for 30 weeks in smart-aerated, partial nitritation ANAMMOX mode and in a timer-controlled,…”
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Diversity of The Chlorite Dismutase Gene in Low and High Organic Carbon Rhizosphere Soil Colonized by Perchlorate-Reducing Bacteria by Struckhoff, Garrett C, Livermore, Joshua A, Parkin, Gene F

“…Chlorite dismutase (cld) is an essential enzyme in the biodegradation of perchlorate. The objective of this study was to determine the change in sequence…”
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Hexahydro-1,3,5-trinitro-1,3,5-triazine Transformation by Biologically Reduced Ferrihydrite:  Evolution of Fe Mineralogy, Surface Area, and Reaction Rates by Williams, Aaron G. B, Gregory, Kelvin B, Parkin, Gene F, Scherer, Michelle M

“…Microbial respiration of Fe(III) oxides has been shown to produce reduced Fe phases that are capable of transforming a variety of oxidized contaminants. Little…”
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Isolation and characterization of autotrophic, hydrogen-utilizing, perchlorate-reducing bacteria by Shrout, Joshua D, Scheetz, Todd E, Casavant, Thomas L, Parkin, Gene F

“…Recent studies have shown that perchlorate (ClO₄ ⁻) can be degraded by some pure-culture and mixed-culture bacteria with the addition of hydrogen. This paper…”
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Effect of Sulfide Inhibition and Organic Shock Loading on Anaerobic Biofilm Reactors Treating a Low-Temperature, High-Sulfate Wastewater by McDonald, Heather B., Parkin, Gene F.

“…To assess the long-term treatment of sulfate- and carbonrich wastewater at low temperatures, anaerobic biofilm reactors were operated for over 900 days at 20°C…”
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Kinetics of 1,1,1-Trichloroethane Transformation by Iron Sulfide and a Methanogenic Consortium by Gander, Jerry W, Parkin, Gene F, Scherer, Michelle M

“…To evaluate the effect of potential interactions between methanogenic bacteria and iron sulfide minerals during transformation of 1,1,1-trichloroethane…”
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Utilization of Cathodic Hydrogen as Electron Donor for Chloroform Cometabolism by a Mixed, Methanogenic Culture by Weathers, Lenly J., Parkin, Gene F., Alvarez, Pedro J.

“…Currently there is considerable interest in using elemental iron (Fe0) for treatment of highly chlorinated organic compounds. Early studies found little…”
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Stimulation and Molecular Characterization of Bacterial Perchlorate Degradation by Plant-Produced Electron Donors by Shrout, Joshua D, Struckhoff, Garrett C, Parkin, Gene F, Schnoor, Jerald L

“…Root homogenate from poplar trees (Populus deltoides × nigra DN34, Imperial Carolina) stimulated perchlorate degradation in microcosms of soil and water…”
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Impact of Mixtures of Chlorinated Aliphatic Hydrocarbons on a High-Rate, Tetrachloroethene-Dechlorinating Enrichment Culture by Adamson, David T, Parkin, Gene F

“…The ability of a high-rate, tetrachloroethene (PCE)-dechlorinating culture with apparent dehalorespiring activity to function in the presence of fortuitously…”
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Characterization of soluble microbial products from anaerobic treatment by molecular weight distribution and nickel-chelating properties by Kuo, Wen-Chien, Parkin, Gene F.

“…Nine anaerobic chemostats fed glucose as the sole carbon and energy source were used to investigate the characteristics of soluble microbial products (SMP)…”
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Inhibition of bacterial perchlorate reduction by zero-valent iron by Shrout, J.D, Williams, A.G.B, Scherer, M.M, Parkin, G.F

“…Perchlorate was reduced by a mixed bacterial culture over a pH range of 7.0-8.9. Similar rates of perchlorate reduction were observed between pH 7.0 and 8.5,…”
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Abiotic Transformation of Hexahydro-1,3,5-trinitro-1,3,5-triazine by FeII Bound to Magnetite by Gregory, Kelvin B, Larese-Casanova, Philip, Parkin, Gene F, Scherer, Michelle M

“…RDX (hexahydro-1,3,5-trinitro-1,3,5-triazine), a nitramine explosive, is often found as a subsurface contaminant at military installations. Though biological…”
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Kinetics of Growth, Substrate Utilization and Sulfide Toxicity for Propionate, Acetate, and Hydrogen Utilizers in Anaerobic Systems by Maillacheruvu, Krishnanand Y., Parkin, Gene F.

“…Batch reactors and serum bottles were used to determine kinetics of growth, substrate utilization, and sulfide inhibition [dissolved sulfide (DS) and hydrogen…”
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Fundamentals of Anaerobic Digestion of Wastewater Sludges by Parkin, Gene F, Owen, William F

“…This paper presents a literature review of anaerobic digestion of munidpal wastewater sludges. The paper focuses on the fundamentals of anaerobic digestion,…”
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