Full Text Journal Articles by
Author Rayford B Payne

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Eutrophication leads to the formation of a sulfide-rich deep-water layer in Lake Sevan, Armenia.

Khoren Avetisyan, Natella Mirzoyan, Rayford B Payne, Vardan Hayrapetyan, Alexey Kamyshny,

Lake Sevan is a meso-eutrophic water body, which was severely impacted by anthropogenic level decrease, pollution and eutrophication during the last century. Starting in the 1970s, these processes resulted in the formation of an oxygen-depleted hypolimnion during summer-autumn stratification of the lake. In this work, we demonstrate for the first ... Read more >>

Isotopes Environ Health Stud (Isotopes in environmental and health studies)
[2021, 57(5):535-552]

Cited: 0 times

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Prophylactic Administration of a Bacteriophage Cocktail Is Safe and Effective in Reducing Salmonella enterica Serovar Typhimurium Burden in Vivo.

Quentin Lamy-Besnier, Lorenzo Chaffringeon, Marta Lourenço, Rayford B Payne, Jimmy T Trinh, Jennifer A Schwartz, Alexander Sulakvelidze, Laurent Debarbieux,

Nontyphoidal <i>Salmonella</i> bacteria are the causative agent of salmonellosis, which accounts for the majority of foodborne illness of bacterial etiology in humans. Here, we demonstrate the safety and efficacy of the prophylactic administration of a bacteriophage preparation termed FOP (foodborne outbreak pill), which contains lytic phages targeting <i>Salmonella</i> (SalmoFresh phage ... Read more >>

Microbiol Spectr (Microbiology spectrum)
[2021, 9(1):e0049721]

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Response to "Comment on 'A Pilot-Scale Field Study: In Situ Treatment of PCB-Impacted Sediments with Bioamended Activated Carbon'".

Rayford B Payne, Upal Ghosh, Harold D May, Christopher W Marshall, Kevin R Sowers,

Environ Sci Technol (Environmental science & technology)
[2019, 53(10):6104-6105]

Cited: 0 times

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Kinetics of PCB Microbial Dechlorination Explained by Freely Dissolved Concentration in Sediment Microcosms.

Trevor P Needham, Rayford B Payne, Kevin R Sowers, Upal Ghosh,

While microbial dechlorination of polychlorinated biphenyls (PCBs) has been observed in sediments over the last 3 decades, translation to the field has been difficult due to a lack of a clear understanding of the kinetic limitations. To address this issue, the present study used passive dosing/sampling to accurately measure the ... Read more >>

Environ Sci Technol (Environmental science & technology)
[2019, 53(13):7432-7441]

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A Pilot-Scale Field Study: In Situ Treatment of PCB-Impacted Sediments with Bioamended Activated Carbon.

Rayford B Payne, Upal Ghosh, Harold D May, Christopher W Marshall, Kevin R Sowers,

A combined approach involving microbial bioaugmentation and enhanced sorption was demonstrated to be effective for in situ treatment of polychlorinated biphenyls (PCBs). A pilot study was conducted for 409 days on PCB impacted sediments in four 400 m2 plots located in a watershed drainage pond in Quantico, VA. Treatments with ... Read more >>

Environ Sci Technol (Environmental science & technology)
[2019, 53(5):2626-2634]

Cited: 4 times

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Colonization and growth of dehalorespiring biofilms on carbonaceous sorptive amendments.

Staci L Capozzi, Coline Bodenreider, Ana Prieto, Rayford B Payne, Kevin R Sowers, Birthe Veno Kjellerup,

Removal of polychlorinated biphenyls (PCBs) from contaminated sediments is a priority due to accumulation in the food chain. Recent success with reduction of PCB bioavailability due to adsorption onto activated carbon led to the recognition of in situ treatment as a remediation approach. In this study, reduced bioavailability and subsequent ... Read more >>

Biofouling (Biofouling)
[2019, 35(1):50-58]

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Mesocosm Studies on the Efficacy of Bioamended Activated Carbon for Treating PCB-Impacted Sediment.

Rayford B Payne, Upal Ghosh, Harold D May, Christopher W Marshall, Kevin R Sowers,

This report describes results of a bench-scale treatability study to evaluate the efficacy of bioaugmentation with bioamended activated carbon (AC) for in situ treatment of polychlorinated biphenyl (PCB) impacted sediments. To this end, the ability of PCB transforming microorganisms to degrade and reduce the overall concentration of PCBs in sediment ... Read more >>

Environ Sci Technol (Environmental science & technology)
[2017, 51(18):10691-10699]

Cited: 3 times

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Potential risk reduction of Aroclor 1254 by microbial dechlorination in anaerobic Grasse River sediment microcosms.

Devrim Kaya, Ipek Imamoglu, F Dilek Sanin, Rayford B Payne, Kevin R Sowers,

Aroclor 1254 was the second most produced commercial PCB mixture and is found in soils, sediments and sewage throughout the globe. This commercial PCB mixture is considered particularly toxic because of the relatively high concentrations of congeners with dioxin-like properties. The potential for risk reduction by microbial reductive dechlorination of ... Read more >>

J Hazard Mater (Journal of hazardous materials)
[2017, 321:879-887]

Cited: 2 times

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Growth of bacteria on 3-nitropropionic acid as a sole source of carbon, nitrogen, and energy.

Shirley F Nishino, Kwanghee A Shin, Rayford B Payne, Jim C Spain,

3-Nitropropionic acid (3NPA) is a widespread nitroaliphatic toxin found in a variety of legumes and fungi. Several enzymes have been reported that can transform the compound, but none led to the mineralization of 3NPA. We report here the isolation of bacteria that grow on 3NPA and its anion, propionate-3-nitronate (P3N), ... Read more >>

Appl Environ Microbiol (Applied and environmental microbiology)
[2010, 76(11):3590-3598]

Cited: 15 times

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Interaction between uranium and the cytochrome c3 of Desulfovibrio desulfuricans strain G20.

Rayford B Payne, Laurence Casalot, Tessa Rivere, Jeffrey H Terry, Lise Larsen, Barbara J Giles, Judy D Wall,

Cytochrome c(3) of Desulfovibrio desulfuricans strain G20 is an electron carrier for uranium (VI) reduction. When D. desulfuricans G20 was grown in medium containing a non-lethal concentration of uranyl acetate (1 mM), the rate at which the cells reduced U(VI) was decreased compared to cells grown in the absence of ... Read more >>

Arch Microbiol (Archives of microbiology)
[2004, 181(6):398-406]

Cited: 15 times

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Uranium reduction by Desulfovibrio desulfuricans strain G20 and a cytochrome c3 mutant.

Rayford B Payne, Darren M Gentry, Barbara J Rapp-Giles, Laurence Casalot, Judy D Wall,

Previous in vitro experiments with Desulfovibrio vulgaris strain Hildenborough demonstrated that extracts containing hydrogenase and cytochrome c3 could reduce uranium(VI) to uranium(IV) with hydrogen as the electron donor. To test the involvement of these proteins in vivo, a cytochrome c3 mutant of D. desulfuricans strain G20 was assayed and found ... Read more >>

Appl Environ Microbiol (Applied and environmental microbiology)
[2002, 68(6):3129-3132]

Cited: 48 times

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