Search Results - "Gregory, Kelvin"

Transformations of Nanomaterials in the Environment by Lowry, Gregory V, Gregory, Kelvin B, Apte, Simon C, Lead, Jamie R

“…Increasing use of engineered nanomaterials with novel properties relative to their bulk counterparts has generated a need to define their behaviors and impacts…”
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Spatial and Temporal Correlation of Water Quality Parameters of Produced Waters from Devonian-Age Shale following Hydraulic Fracturing by Barbot, Elise, Vidic, Natasa S, Gregory, Kelvin B, Vidic, Radisav D

“…The exponential increase in fossil energy production from Devonian-age shale in the Northeastern United States has highlighted the management challenges for…”
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Biogenic Cyanide Production Promotes Dissolution of Gold Nanoparticles in Soil by McGivney, Eric, Gao, Xiaoyu, Liu, Yijing, Lowry, Gregory V, Casman, Elizabeth, Gregory, Kelvin B, VanBriesen, Jeanne M, Avellan, Astrid

“…Gold nanoparticles (Au NPs) are often used to study the physiochemical behavior and distribution of nanomaterials in natural systems because they are assumed…”
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Exploring the impact of pore size distribution on the performance of carbon electrodes for capacitive deionization by Han, Linchen, Karthikeyan, K.G., Anderson, Marc A., Gregory, Kelvin B.

“…[Display omitted] •Activated carbon cloth with varying meso-to-microporosity evaluated for electrosorption.•Both mesopores and micropores contributed to…”
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Reduction in sulfate inhibition of microbial dechlorination of polychlorinated biphenyls in Hudson and Grasse River sediments through fatty acid supplementation by Xu, Yan, Gregory, Kelvin B., VanBriesen, Jeanne M.

“…Microbial dechlorination of polychlorinated biphenyls (PCBs) in aquatic sediments may reduce the need for dredging for remediation. To better understand this…”
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Disruption of Autolysis in Bacillus subtilis using TiO2 Nanoparticles by McGivney, Eric, Han, Linchen, Avellan, Astrid, VanBriesen, Jeanne, Gregory, Kelvin B.

“…In contrast to many nanotoxicity studies where nanoparticles (NPs) are observed to be toxic or reduce viable cells in a population of bacteria, we observed…”
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The functional potential of microbial communities in hydraulic fracturing source water and produced water from natural gas extraction characterized by metagenomic sequencing by Mohan, Arvind Murali, Bibby, Kyle J, Lipus, Daniel, Hammack, Richard W, Gregory, Kelvin B

“…Microbial activity in produced water from hydraulic fracturing operations can lead to undesired environmental impacts and increase gas production costs…”
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Microbial Community Changes in Hydraulic Fracturing Fluids and Produced Water from Shale Gas Extraction by Murali Mohan, Arvind, Hartsock, Angela, Bibby, Kyle J, Hammack, Richard W, Vidic, Radisav D, Gregory, Kelvin B

“…Microbial communities associated with produced water from hydraulic fracturing are not well understood, and their deleterious activity can lead to significant…”
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Mechanistic insights into the use of oxide nanoparticles coated asymmetric electrodes for capacitive deionization by Han, Linchen, Karthikeyan, K.G., Anderson, M.A., Wouters, J.J., Gregory, Kelvin B.

“…► Capacitive deionization is an emerging, low-pressure desalination method that can compete with the current mainstream technologies. ► Novel electrode…”
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Microbial communities in flowback water impoundments from hydraulic fracturing for recovery of shale gas by Murali Mohan, Arvind, Hartsock, Angela, Hammack, Richard W., Vidic, Radisav D., Gregory, Kelvin B.

“…Abstract Hydraulic fracturing for natural gas extraction from shale produces waste brine known as flowback that is impounded at the surface prior to reuse…”
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Microbial-Catalyzed Reductive Dechlorination of Polychlorinated Biphenyls in Hudson and Grasse River Sediment Microcosms: Determination of Dechlorination Preferences and Identification of Rare Ortho Removal Pathways by Xu, Yan, Gregory, Kelvin B, VanBriesen, Jeanne M

“…Biodegradation of polychlorinated biphenyls (PCBs) is an important transformation and detoxification route in the environment. To better understand the…”
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Selective oxidation of bromide in wastewater brines from hydraulic fracturing by Sun, Mei, Lowry, Gregory V., Gregory, Kelvin B.

“…Brines generated from oil and natural gas production, including flowback water and produced water from hydraulic fracturing of shale gas, may contain elevated…”
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Impacts of Pristine and Transformed Ag and Cu Engineered Nanomaterials on Surficial Sediment Microbial Communities Appear Short-Lived by Moore, Joe D, Stegemeier, John P, Bibby, Kyle, Marinakos, Stella M, Lowry, Gregory V, Gregory, Kelvin B

“…Laboratory-based studies have shown that many soluble metal and metal oxide engineered nanomaterials (ENM) exert strong toxic effects on microorganisms…”
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Impact of Nanoscale Zero Valent Iron on Geochemistry and Microbial Populations in Trichloroethylene Contaminated Aquifer Materials by Kirschling, Teresa L, Gregory, Kelvin B, Minkley, Jr, Edwin G, Lowry, Gregory V, Tilton, Robert D

“…Nanoscale zerovalent iron (NZVI) particles are a promising technology for reducing trichloroethylene (TCE) contamination in the subsurface. Prior to injecting…”
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Regional Variation in Water-Related Impacts of Shale Gas Development and Implications for Emerging International Plays by Mauter, Meagan S, Alvarez, Pedro J. J, Burton, Allen, Cafaro, Diego C, Chen, Wei, Gregory, Kelvin B, Jiang, Guibin, Li, Qilin, Pittock, Jamie, Reible, Danny, Schnoor, Jerald L

“…The unconventional fossil fuel industry is expected to expand dramatically in coming decades as conventional reserves wane. Minimizing the environmental…”
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Microbial electricity generation via microfluidic flow control by Li, Zhiqiang, Zhang, Ying, LeDuc, Philip R., Gregory, Kelvin B.

“…Next generation battery technology is rapidly evolving to meet the demand for higher power densities and smaller footprints through novel catalysts and battery…”
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Growth with high planktonic biomass in Shewanella oneidensis fuel cells by Lanthier, Martin, Gregory, Kelvin B, Lovley, Derek R

“…Shewanella oneidensis MR-1 grew for over 50 days in microbial fuel cells, incompletely oxidizing lactate to acetate with high recovery of the electrons derived…”
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Remediation and Recovery of Uranium from Contaminated Subsurface Environments with Electrodes by Gregory, Kelvin B, Lovley, Derek R

“…Previous studies have demonstrated that Geobacter species can effectively remove uranium from contaminated groundwater by reducing soluble U(VI) to the…”
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Graphite electrodes as electron donors for anaerobic respiration by Gregory, Kelvin B., Bond, Daniel R., Lovley, Derek R.

“…Summary It has been demonstrated previously that Geobacter species can transfer electrons directly to electrodes. In order to determine whether electrodes…”
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Effect of Applied Voltage, Initial Concentration, and Natural Organic Matter on Sequential Reduction/Oxidation of Nitrobenzene by Graphite Electrodes by Sun, Mei, Reible, Danny D, Lowry, Gregory V, Gregory, Kelvin B

“…Carbon electrodes are proposed in reactive sediment caps for in situ treatment of contaminants. The electrodes produce reducing conditions and H2 at the…”
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