Search Results - "SIMMONS, Otto D"

Tertiary treatment and dual disinfection to improve microbial quality of reclaimed water for potable and non-potable reuse: A case study of facilities in North Carolina by Bailey, Emily S., Casanova, Lisa M., Simmons, Otto D., Sobsey, Mark D.

“…Treated wastewater is increasingly of interest for either nonpotable purposes, such as agriculture and industrial use, or as source water for drinking water…”
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Bromine and Chlorine Disinfection of Cryptosporidium parvum Oocysts, Bacillus atrophaeus Spores, and MS2 Coliphage in Water by Coleman, Collin Knox, Kim, John, Bailey, Emily S, Abebe, Lydia S, Brown, Joe, Simmons, 3rd, Otto D, Sobsey, Mark D

“…Conventional water treatment practices utilizing chemical disinfection, especially chlorination, are considered generally effective in producing…”
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Heuristic optimization of a continuous flow point-of-use UV-LED disinfection reactor using computational fluid dynamics by Jenny, Richard M., Jasper, Micah N., Simmons, Otto D., Shatalov, Max, Ducoste, Joel J.

“…Alternative disinfection sources such as ultraviolet light (UV) are being pursued to inactivate pathogenic microorganisms such as Cryptosporidium and Giardia,…”
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Intra-storm variability in microbial partitioning and microbial loading rates by Krometis, Leigh-Anne H., Characklis, Gregory W., Simmons, Otto D., Dilts, Mackenzie J., Likirdopulos, Christina A., Sobsey, Mark D.

“…Association with particles in the water column can have a significant impact on microbial fate and transport. This study analyzed multiple stormwater samples…”
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Microbial partitioning to settleable particles in stormwater by Characklis, Gregory W., Dilts, Mackenzie J., Simmons, Otto D., Likirdopulos, Christina A., Krometis, Leigh-Anne H., Sobsey, Mark D.

“…The degree to which microbes in the water column associate with settleable particles has important implications for microbial transport in receiving waters, as…”
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Modeling a continuous flow ultraviolet Light Emitting Diode reactor using computational fluid dynamics by Jenny, Richard M., Simmons, Otto D., Shatalov, Max, Ducoste, Joel J.

“…The use of ultraviolet (UV) light for water treatment disinfection has become increasingly popular due to its ability to inactivate chlorine-resistant…”
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Colonization and Internalization of Salmonella enterica and Its Prevalence in Cucumber Plants by Burris, Kellie P, Simmons, Otto D, Webb, Hannah M, Deese, Lauren M, Moore, Robin Grant, Jaykus, Lee-Ann, Zheng, Jie, Reed, Elizabeth, Ferreira, Christina M, Brown, Eric W, Bell, Rebecca L

“…Consumption of cucumbers ( var. ) has been linked to several foodborne outbreaks involving . The purpose of this work was to investigate the efficiency of…”
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Investigation of Bioaerosols Released from Swine Farms using Conventional and Alternative Waste Treatment and Management Technologies by Ko, GwangPyo, Simmons III, Otto D, Likirdopulos, Christina A, Worley-Davis, Lynn, Williams, Mike, Sobsey, Mark D

“…Microbial air pollution from concentrated animal feeding operations (CAFOs) has raised concerns about potential public health and environmental impacts. We…”
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Salmonella enterica colonization and fitness in pre-harvest cantaloupe production by Burris, Kellie P., Simmons, Otto D., Webb, Hannah M., Moore, Robin Grant, Jaykus, Lee-Ann, Zheng, Jie, Reed, Elizabeth, Ferreira, Christina M., Brown, Eric, Bell, Rebecca L.

“…Cantaloupes have emerged as significant vehicles of widespread foodborne illness outbreaks caused by bacterial pathogens, including Salmonella. The purpose of…”
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pH-induced flocculation, indirect electrocoagulation, and hollow fiber filtration techniques for harvesting the saltwater microalga Dunaliella by Mixson, Stephanie M, Stikeleather, Larry F, Simmons, Otto D., III, Wilson, Cameron W, Burkholder, JoAnn M

“…This research assessed the efficacy of three harvesting methods on a strain of Dunaliella viridis. While there is strong potential to use lipids from…”
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Comparing the partitioning behavior of Giardia and Cryptosporidium with that of indicator organisms in stormwater runoff by Cizek, Adrienne R., Characklis, Gregory W., Krometis, Leigh-Anne, Hayes, Jeffrey A., Simmons, Otto D., Di Lonardo, Steve, Alderisio, Kerri A., Sobsey, Mark D.

“…Microbial association with particles can significantly affect the fate and transport characteristics of microbes in aquatic systems as particle-associated…”
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Endotoxin Levels at Swine Farms Using Different Waste Treatment and Management Technologies by Ko, GwangPyo, Simmons, III, Otto D, Likirdopulos, Christina A, Worley-Davis, Lynn, Williams, C. M, Sobsey, Mark D

“…Concentrated animal feeding operations (CAFOs) are a major source of airborne endotoxins, which are air pollutants that can cause adverse health effects to…”
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Uncertainty analysis of the recovery of hollow-fiber ultrafiltration for multiple microbe classes from water: A Bayesian approach by Wu, Jianyong, Simmons, Otto D., Sobsey, Mark D.

“…In this study, we introduce a Bayesian approach to address uncertainty of microbial recoveries from hollow-fiber ultrafilters (HFUF) and to determine any…”
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Effects of Seeding Procedures and Water Quality on Recovery of Cryptosporidium Oocysts from Stream Water by Using U.S. Environmental Protection Agency Method 1623 by FRANCY, Donna S, SIMMONS, Otto D, WARE, Michael W, GRANGER, Emma J, SOBSEY, Mark D, SCHAEFER, Frank W

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Concentration and Detection of Cryptosporidium Oocysts in Surface Water Samples by Method 1622 Using Ultrafiltration and Capsule Filtration by SIMMONS, Otto D, SOBSEY, Mark D, HEANEY, Christopher D, SCHAEFER, Frank W, FRANCY, Donna S

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Modeling the Growth of Archaeon Halobacterium halobium Affected by Temperature and Light by Lu, Hao, Yuan, Wenqiao, Cheng, Jay, Rose, Robert B., Classen, John J., Simmons, Otto D.

“…The objective of this study was to develop sigmoidal models, including three-parameter (Quadratic, Logistic, and Gompertz) and four-parameter models (Schnute…”
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Evaluation of USEPA Method 1622 for detection of Cryptosporidium oocysts in stream waters by SIMMONS, OTTO D., SOBSEY, MARK D., SCHAEFER, FRANK W., FRANCY, DONNA S., NALLY, REBECCA A., HEANEY, CHRISTOPHER D.

“…To improve surveillance for Cryptosporidium oocysts in water, the US Environmental Protection Agency developed method 1622, which consists of filtration,…”
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Evaluation of USEPA Method 1622 for detection of Crytosporidium oocysts in stream waters by SIMMONS, Otto D, SOBSEY, Mark D, SCHAEFER, Franck W, FRANCY, Donna S, NALLY, Rebecca A, HEANEY, Christopher D

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Discussion of evaluation of USEPA Method 1622 for detection of Cryptosporidium oocysts in stream waters. Authors' reply by CONNELL, Kevin, CLANCY, Jennifer, FRANCY, Donna S, REGLI, Stig, MESSNER, Mike, RODGERS, Crystal, FRICKER, Colin, TELLIARD, William A, SIMMONS, Otto D, SOBSEY, Mark D, SCHAEFER, Frank W

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Outbreak of Viral Gastroenteritis Due to a Contaminated Well: International Consequences by Beller, Michael, Ellis, Andrea, Lee, Spencer H, Drebot, Michael A, Jenkerson, Sue Anne, Funk, Elizabeth, Sobsey, Mark D, Simmons, Otto D, Monroe, Stephan S, Ando, Tamie, Noel, Jacqueline, Petric, Martin, Middaugh, John P, Spika, John S

“…Context.—Small round-structured viruses (SRSVs) are known to cause viral gastroenteritis, but until now have not been confirmed in the implicated vehicle in…”
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