Office of Research and Development Publications

Records 1 to 84 of 84

McMinn, B., N. Ashbolt, AND A. Korajkic. Bacteriophages as indicators of faecal pollution and enteric virus removal. Letters in Applied Microbiology. Blackwell Publishing, Malden, MA, 65(1):11-26, (2017).
Korajkic, A., B. McMinn, V. Harwood, N. Ashbolt, Mano Sivaganesan, AND O. Shanks. Differential Decay of Cattle-associated Fecal Indicator Bacteria and Microbial Source Tracking Markers in Fresh and Marine Water (ASM 2017 Presentation). ASM Microbe 2017, New Orleans, LA, June 01 - 05, 2017.
Korajkic, A., B. McMinn, V. Harwood, N. Ashbolt, Mano Sivaganesan, AND O. Shanks. Differential Decay of Cattle-associated Fecal Indicator Bacteria and Microbial Source Tracking Markers in Fresh and Marine Water. ASM Microbe 2017, New Orleans, LA, June 01 - 05, 2017.
Jahne, M., M. Schoen, J. Garland, AND N. Ashbolt. Simulation of enteric pathogen concentrations in locally-collected greywater and wastewater for microbial risk assessments. Microbial Risk Analysis. Elsevier B.V., Amsterdam, Netherlands, 5:44-52, (2017).
Schoen, M., N. Ashbolt, M. Jahne, AND J. Garland. Risk-based enteric pathogen reduction targets for non-potable and direct potable use of roof runoff, stormwater, and greywater. Microbial Risk Analysis. Elsevier B.V., Amsterdam, Netherlands, 5:32-43, (2017).
Jahne, M., M. Schoen, N. Ashbolt, N. Brinkman, S. Keely, AND J. Garland. Risk-Based Treatment Targets for Onsite Non-Potable Water Reuse. 14th Cincinnati Area Water Distribution System Seminar, Cincinnati, OH, April 27, 2017.
Zimmerman, B., A. Korajkic, N. Brinkman, A. Grimm, N. Ashbolt, AND J. Garland. A Spike Cocktail Approach to Improve Microbial Performance Monitoring for Water Reuse. WATER ENVIRONMENT RESEARCH. Water Environment Federation, Alexandria, VA, 88(9):824-837, (2016).
Soller, J., T. Bartrand, M. Molina, G. Whelan, M. Schoen, AND N. Ashbolt. Quantitative Microbial Risk Assessment of Freshwater Impacted by Animal Fecal Material (proceedings). In Proceedings, 7th Intl. Congress on Env. Modelling and Software, San Diego, CA, June 15 - 19, 2014. International Environmental Modelling and Software Society, Manno, Switzerland, 1521-1526, (2014).
Soller, J., T. Bartrand, M. Molina, G. Whelan, M. Schoen, AND N. Ashbolt. Quantitative Microbial Risk Assessment of Freshwater Impacted by Animal Fecal Material. Presented at 8th International Congress on Environmental Modelling and Software (iEMSs), San Diego, CA, June 06, 2013 - June 19, 2014.
Soller, J., T. Bartrand, J. Ravenscroft, M. Molina, G. Whelan, M. Schoen, AND N. Ashbolt. Estimated human health risks from recreational exposures to stormwater runoff containing animal faecal material. ENVIRONMENTAL MODELLING AND SOFTWARE. Elsevier Science Ltd, New York, NY, 72:21-32, (2015).
ASHBOLT, N. Global Warming and Trans-Boundary Movement of Waterborne Microbial Pathogens - Book Chapter. Chapter 5, Sumi, A., Fukushi, K. and Hiramatsu, A. Tokyo (ed.), In Adaptation and Mitigation Strategies for Climate Chang. Springer, New York, NY, , 71-82, (2010).
Xue, X., M. Schoen, Cissy Ma, T. Hawkins, N. Ashbolt, J. Cashdollar, AND J. Garland. Critical insights for a sustainability framework to address integrated community water services: Technical metrics and approaches. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 77:155-169, (2015).
Buse, H., J. Lu, AND N. Ashbolt. Exposure to synthetic greywater inhibits amoebae encystation and alters expression of Legionella pneumophila virulence genes. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 81(2):630-639, (2015).
Wood, A., T. Hawkins, X. Xue, N. Ashbolt, J. Garland, AND M. Blackhurst. Cost-Effectiveness of Nitrogen Mitigation by Alternative Household Wastewater Management Technologies. JOURNAL OF ENVIRONMENTAL MANAGEMENT. Elsevier Science Ltd, New York, NY, 150(3):344-354, (2014).
LU, J., T. L. GERKE, H. Y. BUSE, AND N. ASHBOLT. Development of an Escherichia coli K12-specific quantitative polymerase chain reaction assay and DNA isolation suited to biofilms associated with iron drinking water pipe corrosion products. JOURNAL OF WATER AND HEALTH. IWA Publishing, London, Uk, 12(4):763-771, (2014).
Short, M., G. Peters, W. Peirson, AND N. ASHBOLT. Marine nitrous oxide emissions: An unknown liability for the international water sector. Environmental Science & Policy. Elsevier Science Ltd, New York, NY, 33(11):209-221, (2013).
Buse, H., J. Lu, I. Struewing, AND N. Ashbolt. Eukaryotic diversity in premise drinking water using 18S rDNA sequencing: implications for health risks. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH. Ecomed Verlagsgesellschaft AG, Landsberg, Germany, 20(9):6351-6366, (2013).
Buse, H., M. Donohue, AND N. ASHBOLT. Hartmannella vermiformis inhibition of Legionella pneumophila cultivability. MICROBIAL ECOLOGY. Springer, New York, NY, 66(3):715-726, (2013).
Thomas, J., T. Thomas, R. Stuetz, AND N. Ashbolt. Your Garden Hose: A potential health risk due to Legionella spp. growth facilitated by free-living amoebae. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 48(17):10456-10464, (2014).
Schoen, M., X. Xue, T. Hawkins, AND N. Ashbolt. Comparative Human Health Risk Analysis of Coastal Community Water and Waste Service Options. ENVIRONMENTAL SCIENCE AND TECHNOLOGY. John Wiley & Sons, Ltd., Indianapolis, IN, 48(16):9728-9736, (2014).
Zimmerman, B., N. Ashbolt, J. Garland, S. Keely, AND D. Wendell. Human Mitochondrial DNA and Endogenous Bacterial Surrogates for Risk Assessment of Graywater Reuse. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 48(14):7993-8002, (2014).
McMinn, B., A. Korajkic, AND N. Ashbolt. Evaluation of Bacteroides fragilis GB-124 bacteriophages as novel human-associated faecal indicators in the United States. Letters in Applied Microbiology. Blackwell Publishing, Malden, MA, 59(1):115-121, (2014).
ASHBOLT, N., M. E. SCHOEN, J. A. Soller, AND D. J. Roser. Predicting pathogen risks to aid beach management: the real value of quantitative microbial risk assessment (QMRA). WATER RESEARCH. Elsevier Science Ltd, New York, NY, 44(16):4692-4703, (2010).
Smith, C. AND N. ASHBOLT. The fate of Helicobacter pylori phagocytized by Acanthamoeba polyphaga demonstrated by fluorescent in situ hybridization and quantitative polymerization chain reaction tests. CURRENT MICROBIOLOGY. Springer, New York, NY, 65(6):805-812, (2012).
Lu, J., H. Ryu, J. Vogel, J. Santodomingo, AND N. ASHBOLT. Molecular detection of Campylobacter spp. and fecal indicator bacteria during the northern migration of Sandhill Cranes (Grus canadensis) at the Central Platte River. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 79(12):3762-3769, (2013).
Lu, J., I. Struewing, H. Buse, J. Kou, H. Shuman, S. Faucher, AND N. ASHBOLT. Legionella pneumophila transcriptional response following exposure to CuO nanoparticles. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 79(8):2713-2720, (2013).
Vogel, J., D. Griffin, H. Ip, N. ASHBOLT, M. Moser, J. Lu, M. Beitz, H. Ryu, AND J. Santodomingo. Impacts of Migratory Sandhill Cranes (Grus canadensis) on Microbial Water Quality in the Central Platte River, Nebraska, USA. WATER, AIR, & SOIL POLLUTION. Springer, New York, NY, 224:1576, (2013).
ASHBOLT, N., A. Amézquita, T. Backhaus, P. Borriello, K. Brandt, P. Collignon, A. Coors, R. Finley, W. Gaze, T. Heberer, J. Lawrence, J. Larsson, S. McEwen, J. Ryan, J. Schönfeld, P. Silley, J. Snape, C. van den Eede, AND E. Topp. Human health risk assessment (HHRA) for environmental development and transfer of antibiotic resistance. ENVIRONMENTAL HEALTH PERSPECTIVES. National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, 121(9):993-1001, (2013).
Korajkic, A., B. McMinn, V. Harwood, O. Shanks, Shay Fout, AND N. ASHBOLT. Differential decay of Enterococci and Escherichia coli originating from two fecal pollution sources. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 79(7):2488-2492, (2013).
ASHBOLT, N. The short pipe path – safe water, energy & nutrient recovery. Water Environment Federal Water and Energy 2011 Conference, Chicago, IL, July 31 - August 03, 2011. Water Environment Federation, Alexandria, VA, 1233-1241, (2011).
LAU, H. Y. AND N. ASHBOLT. The role of biofilms and protozoa in Legionella pathogenesis: implications for drinking water. JOURNAL OF APPLIED MICROBIOLOGY. Blackwell Publishing, Malden, MA, 107(2):368-378, (2009).
Schrottenbaum, I., J. Uber, N. ASHBOLT, R. MURRAY, R. J. JANKE, J. G. SZABO, AND D. Boccelli. Simple model of attachment and detachment of pathogens in water distribution system biofilms . In Proceedings, World Environmental and Water Resources Congress 2009, Kansas City, MO, May 17 - 21, 2009. American Society of Civil Engineers (ASCE), Reston, VA, 1, (2009).
Neumann, N. F., L. Villegas, AND N. ASHBOLT. The genomics revolution and its effect on water quality. JOURNAL OF AMERICAN WATER WORKS ASSOCIATION. American Water Resources Association, Middleburg, VA, 104(1):63-65, (2012).
Flynn, T. M., R. A. Sanford, H. RYU, C. M. Bethke, A. D. Devine, N. ASHBOLT, AND J. W. SANTO-DOMINGO. Functional Microbial Diversity Explains Groundwater Chemistry in a Pristine Aquifer. BMC Microbiology. BioMed Central Ltd, London, Uk, 13:146, (2013).
LU, J., H. RYU, J. W. SANTO-DOMINGO, J. F. Griffith, AND N. ASHBOLT. Molecular Detection of Campylobacter spp. in California Gull (Larus californicus) Excreta. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 77(14):5034-5039, (2011).
SANTO-DOMINGO, J. W. AND N. ASHBOLT. Fecal Pollution of Water. Chapter N/A, Cutler J. Cleveland (ed.), Encyclopedia of Earth. National Council for Science and the Environment, Washington, D.C., DC, , 1-12, (2008).
SCHOEN, M. E. AND N. ASHBOLT. An in-premise model for Legionella exposure during showering events. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 45(18):5826-5836, (2011).
LAU, H. Y., A. BREHM, J. W. SANTO-DOMINGO, AND N. ASHBOLT. Screening-level assays for potentially human-infectious environmental Legionella spp. The Journal of Microbiology . Springer, New York, NY, 49(2):200-207, (2011).
SOLLER, J., N. ASHBOLT, J. RAVENSCROFT, T. J. WADE, AND T. Bartrand. Estimating of primary etiologic agents in recreational freshwaters impacted by human sources of faecal contamination. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 44(16):4736-4747, (2010).
BUSE, H. Y. AND N. ASHBOLT. Counting Legionella cells within single amoeba host cells. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 78(6):2070-2072, (2012).
REVETTA, R. P., V. GOMEZALVAREZ, J. W. SANTO-DOMINGO, T. L. GERKE, AND N. ASHBOLT. Changes in Biofilm Community Structure Associated with Monochloramine-treated Drinking Water Biofilms. Presented at American Society for Microbiology General Meeting, San Francisco, CA, June 16 - 20, 2012.
RYU, H., J. LU, J. Vogel, M. Elk, F. Chavez-Ramirez, N. ASHBOLT, AND J. W. SANTO-DOMINGO. Development and Evaluation of a Quantitative PCR Assay Targeting Sandhill Crane (Grus canadensis) Fecal Pollution . APPLIED AND ENVIRONMENTAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 78(12):4338-4345, (2012).
SANTO-DOMINGO, J. W., M. E. SCHOEN, N. ASHBOLT, AND H. RYU. Using qPCR for Water Microbial Risk Assessments. Chapter 7, M. Filion (ed.), Quantitative Readl-time PCR in Applied Microbiology, ISBN:9781908230010. Caister Academic Press, Norwich, Uk, , ,, (2012).
BUSE, H. Y. AND N. ASHBOLT. Differential growth of Legionella pneumophila strains within a range of amoebae at various temperatures associated with in-premise plumbing. Letters in Applied Microbiology. Blackwell Publishing, Malden, MA, 53(2):217-224, (2011).
Jury, K. L., S. J. Khan, T. Vancov, R. M. Stuetz, AND N. ASHBOLT. Are Sewage Treatment Plants Promoting Antibiotic Resistance? CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY. CRC Press LLC, Boca Raton, FL, 41(3):243-270, (2011).
LU, J., H. RYU, S. Hill, M. E. SCHOEN, N. ASHBOLT, T. A. Edge, AND J. W. SANTO-DOMINGO. Distribution and potential significance of a gull fecal marker in urban coastal and riverine areas of southern Ontario, Canada. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 45(13):3960-3968, (2011).
LATHAM, M. AND N. ASHBOLT. Influence of Disinfectant Residual on Biofilm Development, Microbial Ecology, and Pathogen Fate and Transport in Drinking Water Infrastructure . U.S. Environmental Protection Agency, Washington, DC, EPA/600/F-10/012, 2010.
SANTO-DOMINGO, J. W., R. Lamendella, AND N. ASHBOLT. Microbial Source Tracking: Current and Future Molecular Tools in Microbial Water Quality Forensics. Chapter 10, K. Sen and N. Ashbolt (ed.), Environmental Microbiology: Current Technology and Water Applications. ISBN: 978-1-904455-70-7 . Caister Academic Press, Norwich, Uk, , c. 310, (2010).
RYU, H., J. W. SANTO-DOMINGO, J. LU, M. E. SCHOEN, N. ASHBOLT, T. Edge, AND S. Hill. Distribution of Gull Specific Molecular Marker in Coastal Areas of Lake Ontario. Presented at American Society for Microbiology 110th General Meeting, San Diego, CA, May 23 - 27, 2010.
Lai, E., S. Lundie, AND N. ASHBOLT. Review of Multi-Criteria Decision Aid for Integrated Sustainability Assessment of Urban Water Systems - MCEARD. URBAN WATER. Elsevier Science Ltd, New York, NY, 5(4):315-327, (2008).
ASHBOLT, N., R. BASTIAN, AND R. GOO. Environmental Perspectives and Issues. Presented at Decentralized Water Systems Workshop, Nags Head, NC, July 26 - 29, 2009.
ASHBOLT, N. Community-scale and Household-scale Decentralized Reuse Experiences on Two Continents. Presented at Decentralized Water Systems Workshop, Nags Head, NC, July 26 - 29, 2009.
SCHOEN, M. E. AND N. ASHBOLT. Quantitative Microbial Risk Assessment (QMRA) as a Compliment to epidemiologic Studies Estimating Bather Risk at Recreational Beaches. Presented at 137th Annual APHA Meeting , Philadelphia, PA, November 09 - 11, 2009.
ASHBOLT, N. Overview of challenges for water quality protection and conservation across the food supply chain and tools for assessing sustainability. Presented at IFT Conference, Anaheim, CA, June 06 - 09, 2009.
SCHOEN, M. E. AND N. ASHBOLT. The birds did it! Presented at Great Lakes Beach Association Conference, Milwaukee, WI, September 28 - October 01, 2009.
ASHBOLT, N. Peak health and the need for more sustainable urban water systems. Presented at World City Water Forum 2009, Incheon, SOUTH KOREA, August 18 - 21, 2009.
Schoen, M. AND N. ASHBOLT. What is the relative health risk to swimmers from California Seagull feces compared to bather shedders? Presented at National Beach Conference, Huntington Beach, CA, April 20 - 22, 2009.
Mistry, J. H., F. S. HAUCHMAN, M. R. RODGERS, AND N. ASHBOLT. The Virtual Environmental Microbiology Center - A Social Network for Enhanced Communication between Water Researchers and Policy Makers. Presented at American Society for Microbiology 109th General Meeting, Philadelphia, PA, May 17 - 21, 2009.
ASHBOLT, N. The Use of Technologies: Exposure (cross contamination), Risk Assessment, and Guidelines. Presented at Institute of Medicine Rountable: Global Environmental Health, Washington, DC, October 17 - 18, 2007.
ASHBOLT, N. Sustainable Urban Waterfutures: A Vision. Presented at Federal Subcommittee on Water Availability and Quality Executive Office of the President, Washington, DC, October 16, 2008.
Davies, C. M., D. J. Roser, A. J. Feitz, AND N. ASHBOLT. Solar Radiation Disinfection of Drinking Water at Temperate Latitudes: Inactivation rates for an optimized reactor configuration. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 43(3):643-652, (2009).
ASHBOLT, N. Role of Waterborne Pathogens in the Food Supply Chain: Implications to Risk Management with Local and Global Perspectives. Presented at IFT Conference, Anaheim, CA, June 06 - 09, 2009.
ASHBOLT, N. Research Underpinning New EPA Rec Water Quality Criteria: Quantitative Microbial Risk Assessment and Predictive Models. Presented at Water Quality Conference: How Clean or Polluted are Hawaii's Waters, Honolulu, HI, October 30 - 31, 2008.
ASHBOLT, N. Reconfiguration of water-energy systems for healthy and sustainable urban water management. Presented at International Conference on Water Scarcity, Global Changes, and Groundwater Management Responses, Irvine, CA, December 01 - 05, 2008.
ASHBOLT, N. Postmodern Urban Infrastructure Pathogens and Other Scum Associates. Presented at Johns Hopkins, Washington, DC, March 11, 2009.
Thomas, J., M. Storey, R. Stuetz, S. Kjelleberg, AND N. ASHBOLT. Diversity of free-living amoebae in a dual distribution (potable and recycled) water system. Presented at IWA Health-Related Water Microbiology Biannual Conference, Naxos, GREECE, June 01 - 04, 2009.
SCHOEN, M. E. AND N. ASHBOLT. Can QMRA be used to Discount Pathogen Risk to Swimmers from Animal Fecal Contamination? Doheny Beach, CA Case Study. Presented at Society for Risk Analysis, Boston, MA, December 08 - 10, 2008.
ASHBOLT, N. Verification of Cryptospporidium Removal by a Full-scale Water Treatment Plant Using a Yeast Challenge and Ramifications for Risk Assessments. Presented at The Greater Cincinnati Water Works Advisory Committee, Cincinnati, OH, September 26, 2008.
ASHBOLT, N. MRA Research Activities to Support Drinking Water Standards. Presented at The Joint US.EPA and Department of Homeland Security Conference on Real-World Applications and Solutions for Microbial Risk Assessment, Bethesda, MD, April 08 - 10, 2008.
ASHBOLT, N. Quantitative Microbial Risk Assessment of Drinking Water - The Next Step. Presented at Meeting at the Technische Universiteit Delft, Holland, NETHERLANDS, April 16, 2008.
ASHBOLT, N. Monitoring of Microbes in Drinking Water. Presented at 2007 International Society for Exposure Analysis Annual Meeting, Raleigh, NC, October 15 - 18, 2007.
ASHBOLT, N. Legionella - (re-)awakening to the Amoeba-based Pathogens of Distribution System Biofilm. Presented at Center for Biofilm Engineering, Bozeman, MT, July 15, 2008.
ASHBOLT, N. Legionella - (re-) awakening to the amoeba-based pathogens of distribution system biofilms. Presented at With Environmental Research Laboratory, Tucson, AZ, July 24, 2008.
ASHBOLT, N. International use of risk assessment/risk management to direct waterborne pathogen research. Presented at Pathogens-In-Groundwater Research Consortium National Workshop, Calgary, AB, CANADA, September 04 - 05, 2008.
ASHBOLT, N. From source-to-tap; Understanding the ecology of environmental pathogens for sustainable urban water use. Presented at The Water Cycle ISME, Cairns, AUSTRALIA, August 20, 2008.
ASHBOLT, N. Microbial Risk Assessment: Underpinning Research Needs for Recycled Water. Presented at 12th Annual Water Reuse and Desalination Research Conference, Denver, CO, May 05 - 06, 2008.
ASHBOLT, N. BIOFILM-LIKE WATER SAMPLING DEVICE. Presented at 2007 Clean Water Summit, Cincinnati, OH, September 05 - 06, 2007.
ASHBOLT, N. Frank and Opportunistic Pathogen Exposure Risks from Distribution System Biofilms. Presented at Meeting at Columbia University, New York, NY, November 09, 2007.
ASHBOLT, N. DECISION-MAKING AND NEEDS FOR SUPPORT: PROTECTING GROUNDWATER SUPPLIES FROM PATHOGEN HEALTH RISKS - INTERNATIONAL PERSPECTIVE. Presented at Pathogen-In-Ground Research Consortium - Kick Off Workshop - Canadian Water Network, Toronto, ON, CANADA, June 12 - 13, 2007.
ASHBOLT, N. URBAN WATER SYSTEM PATHOGEN ASSESSMENT: SIGNIFICANCE OF DISTRIBUTION BIOFILMS. Presented at Center for Disease Control Meeting, Atlanta, GA, May 10, 2007.
ASHBOLT, N. URBAN WATER SYSTEM PATHOGEN ASSESSMENTS: SIGNIFICANCE OF DISTRIBUTION BIOFILMS. Presented at Urban Water System Pathogen Risk Assessments: Signficance of distribution of biofilms, Cincinnati, OH, May 04, 2007.
ASHBOLT, N. ESTIMATING PATHOGEN EXPOSURES - THE CRITICAL CHALLENGE FOR QMRA TO SUPPORT REGULATION AND MANAGEMENT OF WATERS. Presented at Toxicology and Risk Assessment Conference, West Chester, OH, April 23 - 26, 2007.
ASHBOLT, N. GLOBAL WARMING AND TRANS-BOUNDARY MOVEMENT OF WATERBORNE MICROBIAL PATHOGENS. Presented at International Symposium on Dialogue between Social and Natural Sciences, Honolulu, HI, February 26 - 28, 2007.
ASHBOLT, N. USE OF DATA TO INFORM CHARACTERIZATION AND MANAGEMENT IN ADDRESSING BIOFILM PROBLEMS. Presented at TCR Stakeholder Workshop, Washington, DC, January 31 - February 01, 2007.