Res Microbiologist
sheltond@ba.ars.usda.gov
Phone: (301) 504-6582 ext. 237
Fax: (301) 504-6608
Room 101
10300 BALTIMORE BLVD
BLDG 173 BARC-EAST
BELTSVILLE, MD, 20705-2350

Project List

	Assess Levels of Pathogenic E. Coli in the Anacostia and Potomac Rivers
	Pathogen Transport and Dissemination from Manure
	Elucidation/environmental Parameters Controlling Vertical and Surface Transport of Pathogens

Publications

	Release and Partitioning of Manure-Borne Phosphorus and Fecal Coliforms- (19-Jul-04)
	Estimation of Viable Escherichia Coli 0157 in Surface Waters Using Enrichment in Conjunction with Immunological Detection- (26-Mar-04)
	Facilitated Manure-Borne Bacteria Transport in Soil Columns- (01-Sep-03)
	Detection and Characterization of Pathogenic E. Coli in Surface Waters: Implications for Preharvest Produce- (01-Aug-03)
	Evaluation of Parameters Affecting Detection of Escherichia Coli 0157 in Enriched Water Samples Using Immunomagnetic Electrochemiluminescence- (29-Jul-03)
	Estimating Escherichia Coli O157 Popul Ations in Water Samples Using Immunomagnetic- (01-May-03)
	Release Rates of Manure-Borne Coliform Bacteria from Data on Leaching Through Stony Soil- (06-Jan-03)
	Quantitative Detection of Escherichia Coli O157 in Surface Waters Using Immunomagnetic-Electrochemiluminescence (Im-Ecl)- (01-Apr-01)
	Application of Raman Spectroscopy to Analyze the Cryptosporidium Parvum Oocyst Wall and Suture Constituents- (01-Mar-01)
	Transport and Retention of E. Coli in Saturated Structured Soil- (13-Sep-04)
	A Combined Immunological-Pcr Biosensor for Detection of Water Borne E. Col 0157:h7- (15-Jan-04)
	Comparison of Batch and Flow Experimental Data on Retention of Manure-Borne Cryptosporidium Parvum Oocysts in Soils- (02-Dec-03)
	Surveying the Baltimore Ecosystem Study Stream Sites for the Presence of Enteric Pathogens- (05-Sep-03)
	Modeling Surface and Subsurface Transport of Manure-Borne Pathogens- (15-Jul-03)
	Transport of Manure-Borne Cryptosporidium Parvum Oocysts Through Saturated and Unsaturated Soil Columns- (01-Jul-03)
	Two-Dimensional Representation and Modeling of Bromide and Fecal Coliform Transport with Runoff and Infiltration- (01-Jun-03)
	Movement of Manure-Borne Bacteria in Soils As a Colloid-Facilitated Transport Affected by Soil Structure- (01-May-03)
	Real-Time Pcr Assays for the Quantitation of Enteropathogenic E.COLI in Water- (01-May-03)
	Molecular Tools to Evaluate the Epidemiology and Control of Waterborne Zoonotic Infections- (01-May-03)
	Modeling Surface and Subsurface Transport of Manure-Borne Microorganisms- (08-Apr-03)
	Transport of Manure-Borne Bacteria and Colloids in a Stony Soil- (31-Jan-03)
	Influence of Hairy Vetch Residue on Atrazine and Metolachlor Concentrationsand Weed Emergence- (08-Nov-02)
	Pathogen Transport Affected by Surface Conditions- (27-Feb-02)
	Distribution of Manure-Borne Fecal Coliforms in Soil on Grass Buffer Strip- (10-Jun-04)
	Transport and Retention of E. Coli in Saturated Well-Structured Soil- (15-Mar-04)
	Faciliatated Manure-Borne Bacteria Transport in Soil Columns- (13-Jan-04)
	Two-Dimenional Representation and Modeling of Bromide and Microbial Transport at a Hillslope Grass Buffer- (13-Jan-04)
	Modeling Manure-Borne Pathogen Transport with Runoff and Infiltration- (01-Jun-03)
	Prevalence and Molecular Characterization of Enteropathogenic E. Coli in Streams Along An Urban-Rural Gradient in the Baltimore, Maryland Metropolitan Area- (25-Feb-03)
	Modeling Coliform Bacteria and Bromide Transport in Large in-Situ Columns of a Fractured Soil- (10-Nov-02)
	Comparison of Immunofluorescent Antibody Assay (Ifa) and Immunomagnetic Electrochemiluminescence (Im-Ecl) in Detection of Cryptosporidium Parvum in Karst Water Samples- (08-Oct-02)
	Field-Scale Monitoring and Simulation of the Overland Transport of Bromide and Pathogens- (28-Aug-02)
	Tracking Fecal Pathogens from Cattle and Wildlife in the Chesapeake Bay- (28-Mar-02)
	Rapid Extracton of DNA from Escherichia Coli and Cryptosporidium Parvum for Use in Pcr- (23-Aug-01)
	Dentrification and N Mineralization As Influenced by Hairy Vetch and Rye Cover- (01-Aug-00)
	Influence of Soil Type and Bovine Manure on Fate and Transport of Cryptosporidium Parvum Oocysts in Soil- (01-Aug-00)
	Human and Animal Pathogens in the Chesapeake Bay Watershed: Cryptosporidiumand Pfiesteria- (26-Sep-99)
	Zoonotic Pathogens from Manure: Transport and Fate- (19-Nov-03)
	Detection of Cryptosporidium Parvum in Polluted Stream Water- (01-Jun-03)
	Recovery and Detection of Cryptosporidium Parvum Oocysts from Water Samples Using Continuous Flow Centrifugation, Pcr, and Fluorescence in Situ Hybridization- (01-May-03)
	A Handheld Real Time Thermal Cycler for Bacterial Pathogen Detection- (19-Sep-02)
	Nraes 135 Pasture-Based Livestock Production - Chapter 8: Environmental Impacts of Grazing- (01-Jun-01)
	Modeling Fate and Transport of Manure-Borne Pathogens in the Environment- (01-Feb-04)