D. Francy

发表

Statistical assessment of DNA extraction reagent lot variability in real‐time quantitative PCR

F. Schaefer, G. Koltun, F. W. Schaefer, 2010, Letters in applied microbiology.

Performance of Traditional and Molecular Methods for Detecting Biological Agents in Drinking Water

F. Schaefer, E. E. Bertke, C. A. Likirdopulos, 2009 .

Comparison of traditional and molecular analytical methods for detecting biological agents in raw and drinking water following ultrafiltration

E. E. Bertke, C. A. Likirdopulos, Erin E. Bertke, 2009, Journal of applied microbiology.

Quality-Assurance Plan for Water-Quality Activities in the USGS Ohio Water Science Center

D. Francy, K. Shaffer, 2008 .

Comparing rapid and culture indicator bacteria methods at inland lake beaches

R. N. Bushon, C. M. Kephart, D. Francy, 2013 .

Effects of hydrologic, biological, and environmental processes on sources and concentrations of fecal bacteria in the Cuyahoga River, with implications for management of recreational waters in Summit and Cuyahoga Counties, Ohio

D. Myers, G. Koltun, D. Francy, 1998 .

Concentration and Detection of Cryptosporidium Oocysts in Surface Water Samples by Method 1622 Using Ultrafiltration and Capsule Filtration

M. Sobsey, F. Schaefer, C. Heaney, 2001, Applied and Environmental Microbiology.

Detection of human enteric viruses in stream water with RT-PCR and cell culture.

G. Fout, D. R. Dahling, K. Denis-Mize, 2004, Journal of water and health.

Pilot-scale testing of dairy manure treatments to reduce nutrient transport from land application, northwest Ohio, 2015–17

Bethany L. Ash, W. R. Midden, D. Francy, 2020, Scientific Investigations Report.

Factors affecting Escherichia coli concentrations at Lake Erie public bathing beaches

R. Darner, D. Francy, 1998 .

Comparative effectiveness of membrane bioreactors, conventional secondary treatment, and chlorine and UV disinfection to remove microorganisms from municipal wastewaters.

Terry M. Gellner, S. Spencer, M. Borchardt, 2012, Water research.

Emulsification of hydrocarbons by subsurface bacteria

C. H. Ward, J. M. Thomas, R. L. Raymond, 1991, Journal of Industrial Microbiology.

Use of Spatial Sampling and Microbial Source-Tracking Tools for Understanding Fecal Contamination at Two Lake Erie Beaches

E. E. Bertke, R. Sheets, C. M. Kephart, 2006 .

Predictive Models for Escherichia coli Concentrations at Inland Lake Beaches and Relationship of Model Variables to Pathogen Detection

Heather E Johnson, Erin A. Stelzer, M. W. Ware, 2013, Applied and Environmental Microbiology.

Effects of Seeding Procedures and Water Quality on Recovery of Cryptosporidium Oocysts from Stream Water by Using U.S. Environmental Protection Agency Method 1623

M. Sobsey, F. Schaefer, O. D. Simmons, 2004, Applied and Environmental Microbiology.

Evaluation of USEPA Method 1622 for detection of Cryptosporidium oocysts in stream waters

Otto D. Simmons, Mark D. Sobsey, Donna S. Francy, 2001 .

Microbiological monitoring for the U.S. Geological Survey National Water-Quality Assessment Program

D. Helsel, D. Myers, D. Francy, 2000 .

Occurrence and Distribution of Microbiological Indicators in Groundwater and Stream Water

Dennis R. Helsel, Donna S. Francy, D. Helsel, 2000 .

Use of predictive models and rapid methods to nowcast bacteria levels at coastal beaches

Donna S. Francy, D. Francy, 2009 .

Comparison of Filters for Concentrating Microbial Indicators and Pathogens in Lake Water Samples

Vicente J. Gallardo, Erin A. Stelzer, M. W. Ware, 2012, Applied and Environmental Microbiology.

Procedures for Developing Models to Predict Exceedances of Recreational Water-Quality Standards at Coastal Beaches

R. Darner, D. Francy, 2014 .

Microbial source tracking markers at three inland recreational lakes in Ohio, 2011

Erin A. Stelzer, D. Francy, 2012 .

Predicting microcystin concentration action-level exceedances resulting from cyanobacterial blooms in selected lake sites in Ohio

D. Dwyer, Erin A. Stelzer, C. Hackney, 2020, Environmental Monitoring and Assessment.

Estimating microcystin levels at recreational sites in western Lake Erie and Ohio.

J. Graham, K. Loftin, D. Dwyer, 2016, Harmful algae.

A spatial, multivariable approach for identifying proximate sources of Escherichia coli to Maumee Bay, Lake Erie, Ohio

D. Dwyer, D. Francy, A. Brady, 2005 .

Nowcasting methods for determining microbiological water quality at recreational beaches and drinking-water source waters.

Erin A. Stelzer, D. Francy, A. Brady, 2020, Journal of microbiological methods.

Nowcasting Beach Advisories at Ohio Lake Erie Beaches

R. Darner, D. Francy, 2007 .

Developing and implementing the use of predictive models for estimating water quality at Great Lakes beaches

Jeremiah G. Lant, Rebecca Carvin, S. Corsi, 2013 .

Testing and Refining the Ohio Nowcast at Two Lake Erie Beaches-2008

R. Darner, E. E. Bertke, D. Francy, 2009 .

Comparison of methods for determining Escherichia coli concentrations in recreational waters

R. Darner, D. Francy, 2000 .

Escherichia coli at Ohio Bathing Beaches—Distribution, Sources, Wastewater Indicators, and Predictive Modeling

Donna S. Francy, R. Darner, Robert A. Darner, 2003 .

Models for predicting recreational water quality at Lake Erie beaches

Donna S. Francy, R. Darner, E. E. Bertke, 2006 .

Reply to “Ranking Filter Methods for Concentrating Pathogens in Lake Water”

Vicente J. Gallardo, M. W. Ware, E. Villegas, 2013, Applied and Environmental Microbiology.

Quantifying viruses and bacteria in wastewater—Results, interpretation methods, and quality control

Terry M. Gellner, S. Spencer, M. Borchardt, 2011 .

Comparison of filters for concentrating microbial indicators and 1 pathogens in lake-water samples 2 Running Title : Filters for concentrating microorganisms in lake water 3

Vicente J. Gallardo, Erin A. Stelzer, M. W. Ware, 2012 .

ESCHERICHIA COLI AND FECAL-COLBFORM BACTERIA AS INDICATORS OF RECREATIONAL WATER QUALITY

D. Myers, D. Francy, K. D. Metzker, 1993 .

Effects of receiving-water quality and wastewater treatment on injury, survival, and regrowth of fecal-indicator bacteria and implications for assessment of recreational water quality

T. Hart, D. Francy, Catchy M. Virosteck, 1996 .

Real-time assessments of water quality—A nowcast for Escherichia coli and cyanobacterial toxins

D. Francy, A. Brady, Tammy M. Zimmerman, 2019, Fact Sheet.

Prepared in Cooperation with Ohio Water Development Authority and City of Delphos, Ohio Quantifying Viruses and Bacteria in Wastewater—results, Interpretation Methods, and Quality Control Quantifying Viruses and Bacteria in Wastewater—results, Interpretation Methods, and Quality Control Prepared in

Terry M. Gellner, Douglas G. Bucher, M. Meckes, 2022 .

Estimating microcystin levels at recreational sites in western Lake Erie and Ohio.

J. Graham, K. Loftin, D. Dwyer, 2016, Harmful algae.