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O. Simmons · SciRah

Researcher profile · Semantic Scholar

O. Simmons

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O. Simmons — researcher profile on SciRah

h-index: 15
Works: 36
Citations: 1,286

Most-cited papers

Microbial partitioning to settleable particles in stormwater.
G. Characklis, M. Dilts, O. Simmons, C. Likirdopulos +2 more
2005Water Research272 citations
Semantic Scholar
Outbreak of viral gastroenteritis due to a contaminated well. International consequences.
M. Beller, A. Ellis, Spencer H. S. Lee, M. Drebot +10 more
1997Journal of the American Medical Association (JAMA)189 citations
Semantic Scholar
Intra-storm variability in microbial partitioning and microbial loading rates.
L. Krometis, G. Characklis, O. Simmons, M. Dilts +2 more
2007Water Research165 citations
Semantic Scholar
Concentration and Detection of Cryptosporidium Oocysts in Surface Water Samples by Method 1622 Using Ultrafiltration and Capsule Filtration
O. Simmons, M. Sobsey, C. Heaney, F. W. Schaefer +1 more
2001Applied and Environmental Microbiology117 citations Open access
Semantic Scholar
Statistical Evaluation of Factors Affecting Indicator Bacteria in Urban Storm-Water Runoff
J. Hathaway, W. Hunt, O. Simmons
201089 citations
Semantic Scholar
Comparing the partitioning behavior of Giardia and Cryptosporidium with that of indicator organisms in stormwater runoff.
A. Cizek, G. Characklis, L. Krometis, J. A. Hayes +4 more
2008Water Research81 citations Open access
Semantic Scholar
Modeling a continuous flow ultraviolet Light Emitting Diode reactor using computational fluid dynamics
Richard M Jenny, O. Simmons, M. Shatalov, Joel J. Ducoste
201449 citations
Semantic Scholar
Effects of Seeding Procedures and Water Quality on Recovery of Cryptosporidium Oocysts from Stream Water by Using U.S. Environmental Protection Agency Method 1623
D. Francy, O. Simmons, M. Ware, E. J. Granger +2 more
2004Applied and Environmental Microbiology49 citations Open access
Semantic Scholar
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.
Emily S. Bailey, L. Casanova, O. Simmons, M. Sobsey
2018Science of the Total Environment42 citations
Semantic Scholar
Heuristic optimization of a continuous flow point-of-use UV-LED disinfection reactor using computational fluid dynamics.
Richard M Jenny, M. Jasper, O. Simmons, M. Shatalov +1 more
2015Water Research41 citations Open access
Semantic Scholar
Investigation of bioaerosols released from swine farms using conventional and alternative waste treatment and management technologies.
Gwangpyo Ko, O. Simmons, C. Likirdopulos, Lynn Worley-Davis +2 more
2008Environmental Science and Technology37 citations
Semantic Scholar
Endotoxin levels at Swine farms using different waste treatment and management technologies.
Gwangpyo Ko, O. Simmons, C. Likirdopulos, Lynn Worley-Davis +2 more
2010Environmental Science and Technology34 citations
Semantic Scholar
Evaluation of USEPA Method 1622 for detection of Cryptosporidium oocysts in stream waters
O. Simmons, M. Sobsey, Frank W. Schaefer, D. Francy +2 more
200126 citations
Semantic Scholar
Colonization and Internalization of Salmonella enterica and Its Prevalence in Cucumber Plants
K. P. Burris, O. Simmons, Hannah M. Webb, Lauren M. Deese +7 more
2020Frontiers in Microbiology25 citations Open access
Semantic Scholar
Uncertainty analysis of the recovery of hollow-fiber ultrafiltration for multiple microbe classes from water: a Bayesian approach.
Jianyong Wu, O. Simmons, M. Sobsey
2013Journal of Microbiological Methods15 citations
Semantic Scholar
Salmonella enterica colonization and fitness in pre-harvest cantaloupe production.
K. P. Burris, O. Simmons, Hannah M. Webb, Robin Grant Moore +6 more
2021Food microbiology11 citations Open access
Semantic Scholar
Bromine and Chlorine Disinfection of Cryptosporidium parvum Oocysts, Bacillus atrophaeus Spores, and MS2 Coliphage in Water.
C. Coleman, John Kim, Emily S. Bailey, L. Abebe +3 more
2023Environmental Science and Technology9 citations
Semantic Scholar
Size Distributions of Bioaerosols in an Egg Production Facility and Its Vicinity
Ding-Ding Hu, L. Wang-Li, O. Simmons, J. Classen +1 more
20169 citations
Semantic Scholar
Spatiotemporal Variations of Bioaerosols in the Vicinity of an Animal Feeding Operation Facility in the US
D. Hu, L. Wang-Li, O. Simmons, J. Classen +1 more
20158 citations Open access
Semantic Scholar
Bioaerosol Concentrations and Emissions from Tunnel-Ventilated High-Rise Layer Houses in North Carolina
D. Hu, L. Wang-Li, O. Simmons, J. Classen +2 more
20144 citations
Semantic Scholar
Food Safety Education: Training Farm Workers in the US Fresh Produce Sector
Angela M. Fraser, O. Simmons
20173 citations
Semantic Scholar
Modeling the Growth of Archaeon Halobacterium halobium Affected by Temperature and Light
Hao Lu, W. Yuan, Jay J. Cheng, R. Rose +2 more
2017Applied Biochemistry and Biotechnology2 citations
Semantic Scholar
Design and Evaluation of a Discreet Sampler for Waste Treatment Lagoons
J. Classen, J. Rice, J. McNeill, O. Simmons
20112 citations
Semantic Scholar
Biological Characteristics of Aerosols Emitted From A Layer Operation In Southeastern U.S.
Ling-Juan Wang, Qian-Feng Li, Keith Esch, O. Simmons +2 more
20092 citations
Semantic Scholar
A chemiluminescent immunofocus assay (CIFA) for non-microscopic enumeration of Cryptosporidium parvum infectivity in cell culture.
O. Simmons, M. Sobsey
2003Water Science and Technology2 citations
Semantic Scholar
INNOVATIVE TECHNOLOGIES FOR WASTE WATER DISINFECTION AND PATHOGEN DETECTION
M. Sobsey, M. Casteel, Hyenmi Chung, G. Lovelace +2 more
20002 citations
Semantic Scholar
Concentration and Molecular Detection of Norwalk Virus and other Viruses in Water
O. Simmons
19951 citations
Semantic Scholar
Peer Review #2 of "Maxent estimation of aquatic Escherichia coli stream impairment (v0.2)"
Dennis Gilfillan, T. Joyner, P. Scheuerman, K. Anderson +272 more
20180 citations Open access
Semantic Scholar
pH-induced flocculation, indirect electrocoagulation, and hollow fiber filtration techniques for harvesting the saltwater microalga Dunaliella
Stephanie M. Mixson, L. Stikeleather, O. Simmons, Cameron W. Wilson +1 more
2014Journal of Applied Phycology0 citations
Semantic Scholar
Identifying the Origins and Attachment Behavior of Non-Point Source Microbial Contaminants
G. Characklis, O. Simmons, M. Sobsey, Patricia N. Drummey +1 more
20080 citations
Semantic Scholar
Improved, rapid hollow-fiber ultrafiltration (hfuf) for recovery of microbial pathogens, indicators, and surrogate bioterrorism agents from san francisco's source and drinking waters
O. Simmons, M. Casteel, H. Lee, E. Andersen +1 more
20070 citations
Semantic Scholar
UV disinfection of Toxoplasma gondii oocysts in water
O. Simmons, K. Linden, M. Sobsey, J. Dubey
20060 citations
Semantic Scholar
Efficacy of dual disinfection with UV radiation and free chlorine to reduce microbes in reclaimed water
M. Sobsey, J. Kase, O. Simmons
20060 citations
Semantic Scholar
Evaluating Microbial Partitioning Differences Under Storm and Dry-Weather Conditions
G. Characklis, M. Dilts, O. Simmons, L. Krometis +2 more
20050 citations
Semantic Scholar
Intra-storm variability in stormwater quality and its impacts on microbial partitioning
L. Krometis, G. Characklis, O. Simmons, M. Dilts +2 more
20050 citations
Semantic Scholar
[SESSION 1B 실태 및 관리(I)(배출량 및 배출모형)]1B1) An Integrated Study of the Emissions of Ammonia, Odor and Odorants, and Pathogens and Related Contaminants from Potential Environmentally Superior Technologies for Swine Facilities Program OPEN (Odor,
D. Kim, V. Aneja, S. Arya, W. Robarge +14 more
20040 citations
Semantic Scholar

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