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United States Department of Agriculture

Agricultural Research Service

Related Topics

Daniel R Shelton
Research Leader


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Continuous gradient temperature Raman spectroscopy of oleic and linoleic acids from -100 to 50°C -
Continuous gradient temperature Raman spectroscopy of n-6 DPA and DHA from -100 C to 20°C Reprint Icon -
Broadhurst, L., Schmidt, W.F., Kim, M.S., Nguyen, J.K., Qin, J., Chao, K., Bauchan, G.R., Shelton, D.R. 2016. Continuous gradient temperature Raman spectroscopy of n-6 DPA and DHA from -100 C to 20°C. Chemistry and Physics of Lipids. 200:1-10.
Different cellular origins and functions of extracellular proteins from Escherichia coli O157:H7 and O104:H4 as determined by comparative proteomic analysis -
Islam, N., Nagy, A., Garrett, W.M., Shelton, D.R., Cooper, B., Nou, X. 2016. Different cellular origins and functions of extracellular proteins from Escherichia coli O157:H7 and O104:H4 as determined by comparative proteomic analysis. Applied and Environmental Microbiology. doi: 10.1128/aem.00977-16.
Modeling fate and transport of fecally-derived microorganisms at the watershed scale: state of the science and future opportunities -
Cho, K., Pachepsky, Y.A., Oliver, D., Muirhead, R., Park, Y., Quilliam, R., Shelton, D.R. 2016. Modeling fate and transport of fecally-derived microorganisms at the watershed scale: state of the science and future opportunities. Water Research. 100:38-56.
Aggregative adherence fimbriae I (AAF/I) mediate colonization of fresh produce and abiotic surface by Shiga toxigenic enteroaggregative Escherichia coli O104:H4 -
Nagy, A., Bauchan, G.R., Shelton, D.R., Nou, X., Xu, Y. 2016. Aggregative adherence fimbriae I (AAF/I) mediate colonization of fresh produce and abiotic surface by Shiga toxigenic enteroaggregative Escherichia coli O104:H4. International Journal of Food Microbiology. 229:44-51.
Continuous gradient temperature Raman spectroscopy of the long chain polyunsaturated fatty acids Docosapentaenoic (DPA, 22:5n-6) and Docosahexaenoic (DHA; 22:6n-3) from -100 to 20° C -
Broadhurst, C.L., Schmidt, W.F., Kim, M.S., Nguyen, J.K., Qin, J., Chao, K., Bauchan, G.R., Shelton, D.R. 2016. Continuous gradient temperature Raman spectroscopy of the long chain polyunsaturated fatty acids Docosapentaenoic (DPA, 22:5n-6) and Docosahexaenoic (DHA; 22:6n-3) from -100 to 20° C. Proceedings of the SPIE 9864, Sensing for Agriculture and Food Quality and Safety VIII, 98640E.
Genome sequence of Penicillium solitum RS1, which causes postharvest apple decay -
Yu, J., Wu, G., Jurick II, W.M., Gaskins, V.L., Yin, Y., Yin, G., Bennet, J.W., Shelton, D.R. 2016. Genome sequence of Penicillium solitum RS1, which causes postharvest apple decay. Genome Announcements. 4(3):00363.
Spatial and temporal variation of fecal indicator organisms in two creeks in Beltsville, Maryland -
Stocker, M.D., Rodriguez-Valentin, J., Pachepsky, Y.A., Shelton, D.R. 2016. Spatial and temporal variation of fecal indicator organisms in two creeks in Beltsville, Maryland. Water Quality Research Journal of Canada. 51(2):167-179.
Ralstonia insidiosa serves as bridges in biofilm formation by foodborne pathogens Listeria monocytogenes, Salmonella enterica, and enterohemorrhagic Escherichia coli -
Liu, N., Bauchan, G.R., Francoeur, C.B., Shelton, D.R., Lo, M., Nou, X. 2016. Ralstonia insidiosa serves as bridges in biofilm formation by foodborne pathogens Listeria monocytogenes, Salmonella enterica, and enterohemorrhagic Escherichia coli. Food Control. 65:14-20.
Whole genome sequencing of diverse Shiga toxin-producing and non-producing Escherichia coli strains reveals a variety of virulence and novel antibiotic resistance plasmids Reprint Icon -
Losada, L., Debroy, C., Radune, D., Sanka, R., Kim, M., Brinkac, L., Kariyawasam, S., Shelton, D.R., Fratamico, P.M., Kapur, V., Feng, P. 2015. Whole genome sequencing of diverse Shiga toxin-producing and non-producing Escherichia coli strains reveals a variety of virulence and novel antibiotic resistance plasmids. Plasmid Journal. 83:8-11.
Irrigation waters and pipe-based biofilms as sources for antibiotic-resistant bacteria -
Blaustein, R., Shelton, D.R., Van Kessel, J.S., Karns, J.S., Matt, S., Pachepsky, Y.A. 2015. Irrigation waters and pipe-based biofilms as sources for antibiotic-resistant bacteria. Environmental Monitoring and Assessment. 199(1):1-12.
Survival of manure-borne and fecal coliforms in soil: temperature dependence as affected by site-specific factors -
Park, Y., Pachepsky, Y.A., Shelton, D.R., Jeong, J., Whelan, G. 2016. Survival of manure-borne and fecal coliforms in soil: temperature dependence as affected by site-specific factors. Journal of Environmental Quality. 45(3):949-957.
Rainfall intensity effects on removal of fecal indicator bacteria from solid dairy manure applied over grass-covered soil -
Blaustein, R., Hill, R., Micallef, S., Shelton, D.R., Pachepsky, Y.A. 2016. Rainfall intensity effects on removal of fecal indicator bacteria from solid dairy manure applied over grass-covered soil. Science of the Total Environment. 539:583-591.
Gradient temperature Raman spectroscopy identifies flexible sites in proline and alanine peptides -
Solid manure as a source of fecal indicator microorganisms: release under simulated rainfall -
Blaustein, R., Pachepsky, Y.A., Hill, R., Shelton, D.R. 2015. Solid manure as a source of fecal indicator microorganisms: release under simulated rainfall. Environmental Science and Technology. 49(13):7860-7869.
Release and removal of microorganisms from land-deposited animal waste and animal manures: A review of data and models -
Blaustein, R., Pachepsky, Y.A., Shelton, D.R., Hill, R. 2015. Release and removal of microorganisms from land-deposited animal waste and animal manures: A review of data and models. Journal of Environmental Quality. 44(5):1338-1354.
Solid manure as a source of fecal indicator microorganisms: release under simulated rainfall -
Blaustein, R., Pachepsky, Y.A., Hill, R., Shelton, D.R. 2015. Solid manure as a source of fecal indicator microorganisms: release under simulated rainfall. Environmental Science and Technology. 49(13):7860-7869.
Depth-dependent inactivation of Escherichia coli and Enterococcus faecalis in soil after manure application and simulated rainfall -
Stocker, M.D., Pachepsky, Y.A., Hill, R., Shelton, D.R. 2015. Depth-dependent inactivation of Escherichia coli and Enterococcus faecalis in soil after manure application and simulated rainfall. Applied and Environmental Microbiology. 81(14):4801-4808.
Release and removal of microorganisms from land-deposited animal waste and animal manures: A review of data and models -
Blaustein, R., Pachepsky, Y.A., Shelton, D.R., Hill, R. 2015. Release and removal of microorganisms from land-deposited animal waste and animal manures: A review of data and models. Journal of Environmental Quality. 44(5):1338-1354.
Effects of environmental parameters on the dual-species biofilms formed by Escherichia coli O157:H7 and Ralstonia insidiosa, a strong biofilm producer isolated from a fresh-cut processing plant -
Liu, N.T., Nou, X., Bauchan, G.R., Murphy, C.F., Lefcourt, A.M., Shelton, D.R., Lo, Y. 2015. Effects of environmental parameters on the dual-species biofilms formed by Escherichia coli O157:H7 and Ralstonia insidiosa, a strong biofilm producer isolated from a fresh-cut processing plant. International Journal of Food Microbiology. 78:121-127.
Temperature dependent Raman spectroscopy of melamine and structural analogs in milk powder -
Schmidt, W.F., Broadhurst, C., Qin, J., Lee, H., Nguyen, J.K., Chao, K., Hapeman, C.J., Shelton, D.R., Kim, M.S. 2015. Temperature dependent Raman spectroscopy of melamine and structural analogs in milk powder. Applied Spectroscopy. 669:398-406.
Can E. coli or thermotolerant coliform concentrations predict pathogen presence or prevalence in irrigation waters? -
Pachepsky, Y.A., Shelton, D.R., Dorner, S., Wjelan, G. 2014. Can E. coli or thermotolerant coliform concentrations predict pathogen presence or prevalence in irrigation waters?. Critical Reviews in Microbiology. 42(3):384-393. doi:10.3109/1040841X.2014.954524.
Modeling runoff and microbial overland transport with KINEROS2/STWIR model: Accuracy and uncertainty as affected by source of infiltration parameters -
Guber, A., Pachepsky, Y.A., Yakirevich, A., Shelton, D.R., Whelan, G., Goodrich, D.C., Unkrich, C.L. 2014. Modeling runoff and microbial overland transport with KINEROS2/STWIR model: Accuracy and uncertainty as affected by source of infiltration parameters. Journal of Hydrology: 519.644-655.
Performance of Weibull and linear semi-logarithmic models in simulating Escherichia coli inactivation in waters -
Stocker, M., Pachepsky, Y.A., Shelton, D.R. 2014. Performance of Weibull and linear semi-logarithmic models in simulating Escherichia coli inactivation in waters. Journal of Environmental Quality. 43(5):1559-1565.
Response of coliform populations in streambed sediment and water column to changes in nutrient concentrations in water -
Shelton, D.R., Pachepsky, Y.A., Kiefer, L., Blaustein, R.A., McCarty, G.W., Dao, T.H. 2014. Response of coliform populations in streambed sediment and water column to changes in nutrient concentrations in water. Water Research. 59:316-324.
Comparison of temperature effects on E. coli, Salmonella, and Enterococcus survival in surface waters -
Pachepsky, Y.A., Blaustein, R.A., Whelan, G., Shelton, D.R. 2014. Comparison of temperature effects on E. coli, Salmonella, and Enterococcus survival in surface waters. Letters in Applied Microbiology. 59:278-283.
Dual-species biofilms formation by Escherichia coli O157:H7 and environmental bacteria isolated from fresh-cut processing plants -
Liu, N.T., Nou, X., Lefcourt, A.M., Shelton, D.R., Lo, M. 2013. Dual-species biofilms formation by Escherichia coli O157:H7 and environmental bacteria isolated from fresh-cut processing plants. International Journal of Food Microbiology. 171:15-20.
Comparison of microbial quality of irrigation water delivered in aluminum and PVC pipes Reprint Icon -
Shelton, D.R., Kiefer, L., Pachepsky, Y.A., Martinez, G., Mccarty, G.W., Dao, T.H. 2013. Comparison of microbial quality of irrigation water delivered in aluminum and PVC pipes. Agricultural Water Management. 129:145–151.
Coliform retention and release in biofilms formed on new and weathered irrigation pipes -
Kiefer, L., Shelton, D.R., Pachepsky, Y.A., Blaustein, R.A., Martinez, G. 2012. Coliform retention and release in biofilms formed on new and weathered irrigation pipes. Irrigation Science. 31(5):971-981.
Differences in biofilm formation of produce and poultry Salmonella enterica isolates and their persistence on spinach plants -
Patel, J.R., Singh, M., Macarisin, D., Sharma, M., Shelton, D.R. 2013. Differences in biofilm formation of produce and poultry Salmonella enterica isolates and their persistence on spinach plants. Food Microbiology. 36:388-394.
Evaluating manure release parameters for nonpoint contaminant transport model KINEROS2/STWIR Reprint Icon -
Guber, A., Pachepsky, Y.A., Dao, T.H., Shelton, D.R., Sadeghi, A.M. 2013. Evaluating manure release parameters for nonpoint contaminant transport model KINEROS2/STWIR. Ecological Modeling. 263:126-138.
E. coli survival in waters: temperature dependence Reprint Icon -
Blaustein, R., Pachepsky, Y.A., Hill, R., Shelton, D.R., Whelan, G. 2013. E. coli survival in waters: temperature dependence. Water Research. 47:569-578.
Incorporation of Escherichia coli O157:H7 in biofilms with Ralstonia insidiosa, a primary localizer for the development of heterogeneous biofilms -
Liu, N.T., Nou, X., Lefcourt, A.M., Shelton, D.R., Lo, Y.M. 2013. Incorporation of Escherichia coli O157:H7 in biofilms with Ralstonia insidiosa, a primary localizer for the development of heterogeneous biofilms. [abstract].
Comparing dependencies of E. coli, Salmonella, and Enterococci survival on temperature in surface waters -
Blaustein, R.A., Pachepsky, Y.A., Hill, R., Whelan, G., Shelton, D.R. 2013. Comparing dependencies of E. coli, Salmonella, and Enterococci survival on temperature in surface waters. BARC Poster Day.
Incorporation of Escherichia coli O157:H7 in dual-species biofilms with Ralstonia insidiosa, a primary colonizer for the development of heterogeneous biofilms -
Liu, N.T., Nou, X., Bauchan, G.R., Lefcourt, A.M., Shelton, D.R., Lo, Y.M. 2013. Incorporation of Escherichia coli O157:H7 in dual-species biofilms with Ralstonia insidiosa, a primary colonizer for the development of heterogeneous biofilms. BARC Poster Day.
Synergistic interaction in dual-species biofilms formation by Escherichia coli O157:H7 and Ralstonia spp -
Using the Q10 model to simulate the E. coli survival in cowpats on grazing lands Reprint Icon -
Martinez, G., Pachepsky, Y.A., Shelton, D.R., Whelan, G., Zepp, R., Molina, M., Panhosrt, K. 2013. Using the Q10 model to simulate the E. coli survival in cowpats on grazing lands. Environment International. 54:1-10.
Native interaction of Escherichia coli O157:H7 and Ralstonia insidiosa in forming dual-species biofilms -
Modeling transport of Escherichia coli in a creek during and after artificial high-flow events: Three year study and analysis Reprint Icon -
Yakirevich, A., Pachepsky, Y.A., Gish, T.J., Guber, A., Shelton, D.R., Cho, K. 2013. Modeling transport of Escherichia coli in a creek during and after artificial high-flow events: Three year study and analysis. Water Research. DOI: 10.1016/j.watres.2013.02.011.
Native microflora in fresh-cut processing plants and their potentials of biofilm formation -
Liu, N., Lefcourt, A.M., Nou, X.A., Shelton, D.R., Zhang, G., Lo, Y. 2013. Native microflora in fresh-cut processing plants and their potentials of biofilm formation. Journal of Food Protection. 76(5):827-832.
Survival and release of animal waste-borne E. Coli in field conditions -
Martinez, G., Pachepsky, Y.A., Shelton, D.R., Whelan, G., Molina, M., Zepp, R., Jeong, J., Williams, J. 2012. Survival and release of animal waste-borne E. Coli in field conditions. [abstract]. Paper No. 83-2.
Synergetic effect of a novel wash aid, T-128, in improving chlorine efficacy against bacterial pathogens in wash solution containing high organic loads -
A pilot plant scale evaluation of a new process aid for enhancing chlorine efficacy against pathogen survival and cross-contamination during produce wash Reprint Icon -
Luo, Y., Nou, X., Millner, P.D., Zhou, B., Shen, C., Yang, Y., Wu, Y., Wang, Q., Fen, H., Shelton, D.R. 2012. A pilot plant scale evaluation of a new process aid for enhancing chlorine efficacy against pathogen survival and cross-contamination during produce wash. International Journal of Food Microbiology. 158(2):133-139.
Persistence of E. coli introduced into streambed sediments with goose, deer, and bovine animal waste -
Kiefer, L., Shelton, D.R., Pachepsky, Y.A., Blaustein, R.A., Santin, M. 2012. Persistence of E. coli introduced into streambed sediments with goose, deer, and bovine animal waste. Letters in Applied Microbiology. 55(5):345-353.
Environmental research to improve food safety -
Pachepsky, L., Pachepsky, Y.A., Shelton, D.R., Van Kessel, J.S. 2012. Environmental research to improve food safety. Internet Web Page. Available: www.ars.usda.gov/research/docs.htm?docid=22497
Survival and release of Escherichia coli in land-applied animal manure: models and parameters -
Martinez, G., Pachepsky, Y.A., Shelton, D.R., Dao, T.H., Whelan, G., Kim, K., Williams, J., Jaehak, J. 2012. Survival and release of Escherichia coli in land-applied animal manure: models and parameters. [abstract]. BARC Poster Day. p. 40.
E. coli survival in waters: applicability of the Arrhenius equation -
Blaustein, R.A., Pachepsky, Y.A., Whelan, G., Hill, R., Shelton, D.R., Sadeghi, A.M. 2012. E. coli survival in waters: applicability of the Arrhenius equation. [abstract]. BARC Poster Day. p.14.
Potential pollutant sources in a Choptank River subwatershed: Influence of agricultural and residential land use and aqueous and atmospheric sources Reprint Icon -
Nino De Guzman, G.T., Hapeman, C.J., Prabhakara, K., Codling, E.E., Shelton, D.R., Rice, C., Hively, W.D., Mccarty, G.W., Torrents, A. 2012. Potential pollutant sources in a Choptank River subwatershed: Influence of agricultural and residential land use and aqueous and atmospheric sources. Science of the Total Environment. 430:270-279.
Biofilms in irrigation pipes affect the microbial quality of irrigation water -
Pachepsky, Y.A., Shelton, D.R. 2012. Biofilms in irrigation pipes affect the microbial quality of irrigation water [abstract] p. 13-14.
Use of zero-valent iron biosand filters to reduce E. coli O157:H12 in irrigation water applied to spinach plants in a field setting Reprint Icon -
Ingram, D.T., Hoover, D., Shelton, D.R., Millner, P.D., Patel, J.R., Kniel, K., Sharma, M. 2012. Use of zero-valent iron biosand filters to reduce E. coli O157:H12 in irrigation water applied to spinach plants in a field setting. International Association for Food Protection. 112:551-560.
The use of Zero-valent iron biosand filters to reduce E. coli O157:H12 in irrigation water applied to spinach plants in a field setting -
Ingram, D.T., Callahan, M.L., Ferguson, S.E., Hoover, D., Shelton, D.R., Millner, P.D., Patel, J.R., Kniel, K., Sharma, M. 2012. The use of Zero-valent iron biosand filters to reduce E. coli O157:H12 in irrigation water applied to spinach plants in a field setting. Journal of Applied Microbiology. 112(3):551-560.
Effect of biofilm in irrigation pipes on the microbial quality of irrigation water -
Pachepsky, Y.A., Morrow, J., Guber, A.K., Rowland, R.A., Shelton, D.R. 2012. Effect of biofilm in irrigation pipes on the microbial quality of irrigation water. Letters in Applied Microbiology. 54(3):217-224.
Evaluation of Microbial Water Quality Indicators in a Forested and Agricultural Watershed Reprint Icon -
Shelton, D.R., Karns, J.S., Sadeghi, A.M., Coppock, C.R., Pachepsky, Y.A. 2011.Relationship between eae and stx virulence genes and Escherichia coli in an agricultural watershed: Implications for irrigation water standards and leafy green commodities. Journal of Food Protection. 74(1):18-23.
Detection of E. coli O157:H7 by immunomagnetic separation coupled with fluorescence immunoassay -
Zhu, P., Shelton, D.R., Li, S., Adams, D., Karns, J.S., Amstutz, P., Tang, C. 2011. Detection of E. coli O157:H7 by immunomagnetic separation coupled with fluorescence immunoassay. Biosensors and Bioelectronics. 30:337-341.
Improving produce safety by stabilizing chlorine in washing solutions with high organic loads -
Luo, Y., Nou, X., Millner, P.D., Shelton, D.R. 2011. Improving produce safety by stabilizing chlorine in washing solutions with high organic loads. Meeting Abstract.
Uncertainty in modeling of fecal coliform overland transport associated with manure application in Maryland -
Guber, A.K., Pachepsky, Y.A., Yakirevich, A., Shelton, D.R., Sadeghi, A.M., Goodrich, D.C., Unkrich, C.L. 2011. Uncertainty in modeling of fecal coliform overland transport associated with manure application in Maryland. Hydrological Processes. 25:2393-2404.
Chlorine wash for fresh-cut processing: Can it work better? -
Nou, X., Luo, Y., Millner, P.D., Shelton, D.R. 2011. Chlorine wash for fresh-cut processing: Can it work better?. Meeting Abstract.
Effectiveness of vegetated filter stripsin retentionof E. coli and salmonella from swine manure slurry Reprint Icon -
Sadeghi, A.M., Cardosol, F., Shelton, D.R., Shirmohammadi, A., Pachepsky, Y.A., Dulaney, W.P. 2012. Effectiveness of vegetated filter stripsin retention of E. coli and salmonella from swine manure slurry. Environmental Management. 110:1-7.
Modeling rainfall-induced release of manure constituents from surface-applied liquid dairy manure -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R. 2011. Modeling rainfall-induced release of manure constituents from surface-applied liquid dairy manure. [abstract]. ASA-CSSA-SSSA Annual Meeting. Paper No. 67329.
Status of the database on microorganism inactivation in environmental media (DIMEM) -
Bolster, C.H., Pachepsky, Y.A., Sadeghi, A.M., Shelton, D.R. 2011. Status of the database on microorganism inactivation in environmental media (DIMEM) [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 67154.
Irrigation waters as a source of pathogenic microorganisms in produce: a review Reprint Icon -
Pachepsky, Y.A., Shelton, D.R., Mclain, J.E., Patel, J.R., Mandrell, R.E. 2011. Irrigation waters as a source of pathogenic microorganisms in produce: a review. Advances in Agronomy. 113:73-138.
Survival of E. coli O157:H12 in creek sediments after inoculation and re-inoculation -
Pachepsky, Y.A., Garzio-Hadzick, A., Shelton, D.R., Hadzick, Z., Hull, R. 2011. Survival of E. coli O157:H12 in creek sediments after inoculation and re-inoculation. International Journal of Environment and Pollution. 46:234-245.
Ultra-sensitive detection using integrated waveguide technologies -
Li, S., Kiefer, L., Zhu, P., Shelton, D.R., Amstutz, P., Tang, C. 2011. Ultra-sensitive detection using integrated waveguide technologies. In: Somerset, V. Environmental Biosensors. Rijeka, Croatia: InTech. p.305-313.
Measurement challenges of detecting enteric organisms in food and water -
Shelton, D.R. 2011. Measurement challenges of detecting enteric organisms in food and water. [abstract].
Persistence of somatic and F-specific coliphages, potential indicators of fecal contamination, on spinach foliar tissue -
Lilly, A., Sapkota, A., Roberts, C.L., Ferguson, S.E., Shelton, D.R., Ingram, D.T., Sharma, M. 2011. Persistence of somatic and F-specific coliphages, potential indicators of fecal contamination, on spinach foliar tissue. [abstract]. BARC Poster Day. .
Enhanced salmonella reduction on tomatoes washed in chlorinated water with wash aid T-128 -
Yang, Y., Luo, Y., Nou, X., Millner, P.D., Shelton, D.R., Feng, H. 2011. Enhanced salmonella reduction on tomatoes washed in chlorinated water with wash aid T-128. BARC Poster Day.
Pilot study of the effect of biofilms in irrigation pipes on the microbial water quality of irrigation water -
Davies, G.E., Downey, A., Guber, A.K., Morrow, J., Pachepsky, Y.A., Rowland, R.A., Shelton, D.R. 2011. Pilot study of the effect of biofilms in irrigation pipes on the microbial water quality of irrigation water. BARC Poster Day. #10.
The use of zero-valent iron and biosand filtration to inactivate Escherichia coli O157:H7 in irrigation water -
Persistence of somatic and F-specific coliphages, potential indicators of fecal contamination, on spinach foliar tissue -
Lilly, A., Sapkota, A., Roberts, C.L., Ferguson, S.E., Shelton, D.R., Ingram, D.T., Sharma, M. 2011. Persistence of somatic and F-specific coliphages, potential indicators of fecal contamination, on spinach foliar tissue. International Association for Food Protection Proceedings. [abstract].
Isolation of biofilm-forming bacteria from a fresh-cut processing plant and co-culturing with E. coli O157:H7 -
Liu, T., Lefcourt, A.M., Nou, X., Shelton, D.R., Lo, Y. 2011. Isolation of biofilm-forming bacteria from a fresh-cut processing plant and co-culturing with E. coli O157:H7. Annual Meeting of the Institute of Food Technologists.
New wash aid T-128 improves efficacy of chlorine against cross contamination by bacterial pathogens in fresh-cut lettuce processing -
Nou, X., Yang, Y., Hollar, L.A., Millner, P.D., Shelton, D.R., Feng, H., Luo, Y. 2011. New wash aid T-128 improves efficacy of chlorine against cross contamination by bacterial pathogens in fresh-cut lettuce processing. [abstract]. Annual Meeting of the Institute of Food Technologists.
Microbial water quality in streams as affected by high flow events -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R. 2011. Microbial water quality in streams as affected by high flow events. [abstract] European Geosciences Union General Assembly Proceedings. 13.(2011-117).
STWIR, a microorganism transport with infiltration and runoff add-on module for the KINEROS2 runoff and erosion model: documentation and user manual -
Guber, A.K., Pachepsky, Y.A., Yakirevich, A., Shelton, D.R., Sadeghi, A.M., Goodrich, D.C., Unkrich, C.L. 2010. STWIR, a microorganism transport with infiltration and runoff add-on module for the KINEROS2 runoff and erosion model: documentation and user manual. United States Department of Agriculture Technical Bulletin.
Chlorine Stabilizer T-128 enhances efficacy of chlorine against cross contamination by E. coli O157:H7 and Salmonella in fresh-cut lettuce processing Reprint Icon -
Nou, X., Luo, Y., Hollar, L.A., Yang, Y., Feng, H., Millner, P.D., Shelton, D.R. 2011. Chlorine Stabilizer T-128 enhances efficacy of chlorine against cross contamination by E. coli O157:H7 and Salmonella in fresh-cut lettuce processing. Journal of Food Science. 76(3):M218-M224.
Enterohemorrhagic E. coli (EHEC): “stealth” agents adept at avoiding detection -
Shelton, D.R. 2010. Enterohemorrhagic E. coli (EHEC): “stealth” agents adept at avoiding detection.[abstract].
Comparison of generic E. coli vs. pathogenic E. coli virulence factors in an agricultural watershed: implications for irrigation water standards and leafy green commodities -
Shelton, D.R., Karns, J.S., Coppock, C.R., Patel, J.R., Sharma, M., Pachepsky, Y.A. 2011. Comparison of generic E. coli vs. pathogenic E. coli virulence factors in an agricultural watershed: implications for irrigation water standards and leafy green commodities. Journal of Food Protection. 74:18-23.
Release of Escherichia coli from the bottom sediment in a small first-order creek: Experiment and Modeling -
Kyung Hwa, C., Pachepsky, Y.A., Joon Ha, K., Guber, A.K., Shelton, D.R., Rowland, R.A. 2010. Release of Escherichia coli from the bottom sediment in a small first-order creek: Experiment and Modeling. Journal of Hydrology. 391(3-4):322-332.
Module STWIR for KINEROS-based Simulations of the Field-scale Manure-Borne Bacteria Transport with Runoff -
Guber, A.K., Pachepsky, Y.A., Yakirevich, A., Shelton, D.R., Sadeghi, A.M., Rowland, R.A., Goodrich, D.C., Unkrich, C.L. 2010. Module STWIR for KINEROS-based Simulations of the Field-scale Manure-Borne Bacteria Transport with Runoff. Meeting Abstract. ASABE Pub No. 711p0710cd.
Minimizing Pathogen Transference during Lettuce Harvesting by Optimizing the Design of the Harvesting Device and Operation Practices Principle Investigator -
Luo, Y., Nou, X., Millner, P.D., Shelton, D.R. 2010. Minimizing Pathogen Transference during Lettuce Harvesting by Optimizing the Design of the Harvesting Device and Operation Practices Principle Investigator. [abstract].
Mitigation of Irrigation Water Using Zero-Valent Iron Treatment -
Kniel, K., Hoover, D., Chiu, P., Sharma, M., Patel, J.R., Shelton, D.R. 2010. Mitigation of Irrigation Water Using Zero-Valent Iron Treatment [abstract]. Center for Produce Safety-U.C. Davis Produce Research Symposium. Paper No. 4.
Estimation of KINEROS parameters with Pedotransfer Functions and Associated Uncertainty in Modeling of Fecal Coliform Overland Transport -
Guber, A.K., Pachepsky, Y.A., Yakirevich, A.M., Shelton, D.R., Goodrich, D.C., Unkrich, C.L. 2010. Estimation of KINEROS parameters with Pedotransfer Functions and Associated Uncertainty in Modeling of Fecal Coliform Overland Transport. [abstract]. ASA-CSSA-SSSA Annual Meeting. 214-4.
Prevalence, characterization and clonal analysis of Escherichia coli O157 non-H7 serotypes that carry eae alleles -
Feng, P., Keys, C., Lacher, D., Monday, S., Shelton, D.R., Rozand, C., Rivas, M., Whittam, T. 2010. Prevalence, characterization and clonal analysis of Escherichia coli O157 non-H7 serotypes that carry eae alleles. FEMS Microbiology Letters. 308(1):62-67.
Overland transport of manure-borne pathogen and indicator organisms: modeling and uncertainty assessment with the KINEROS-STWIR model -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R., Goodrich, D.C., Unkrich, C.L. 2010. Overland transport of manure-borne pathogen and indicator organisms: modeling and uncertainty assessment with the KINEROS-STWIR model. [abstract]. Joint Federal Interagency Hydrologic Modeling Conference. p.360.
Relating stream microbial ecology to land-use in the Choptank River Watershed -
Nino De Guzman, G., Hapeman, C.J., Shelton, D.R., Rice, C., Codling, E.E., Millner, P.D., Torrents, A. 2010. Relating stream microbial ecology to land-use in the Choptank River Watershed. BARC Poster Day.
Effect of streambed bacteria release on E. Coli concentrations: Monitoring and Modeling with the Modified Soil and Water Assessment Tool (SWAT) -
Kim, J., Pachepsky, Y.A., Shelton, D.R., Coppock, C.R. 2010. Effect of streambed bacteria release on E. Coli concentrations: Monitoring and Modeling with the Modified Soil and Water Assessment Tool (SWAT). Ecological Modeling. 221:1592:1604.
Survival of manure-borne E. coli in streambed sediment: effects of temperature and sediment properties Reprint Icon -
Garzio-Hadzick, A.M., Shelton, D.R., Hill, R., Pachepsky, Y.A., Guber, A.K., Rowland, R.A. 2010. Survival of manure-borne E. coli in streambed sediment: effects of temperature and sediment properties. Water Research. 44:2753-2762
Sediment-Associated Bacteria Release and Settling In SWAT bacteria routing: Model and SWAT add-on manual -
Kim, J., Pachepsky, Y.A., Shelton, D.R. 2010. Sediment-Associated Bacteria Release and Settling In SWAT bacteria routing: Model and SWAT add-on manual. United States Department of Agriculture Technical Bulletin. Available: http://www.ars.usda.gov/Research/docs.htm?docid=21090.
Escherichia coli and fecal coliforms in freshwater and estuarine sediments -
Pachepsky, Y.A., Shelton, D.R. 2011. Escherichia coli and fecal coliforms in freshwater and estuarine sediments. Critical Reviews in Environmental Science Technology. 41(12):1067-1110.
Fecal Coliform Interaction with Soil Aggregates: Effect of Water Content and Bovine Manure Application -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R., Yu, O. 2009. Fecal Coliform Interaction with Soil Aggregates: Effect of Water Content and Bovine Manure Application. Soil Science. 174(10):543-548.
Including Sediment-Associated Bacteria Resuspension and Settling in SWAT Predictions of Microbial Water Quality -
Kim, J., Pachepsky, Y.A., Shelton, D.R., Coppock, C.R., Cho, K.H. 2009. Including Sediment-Associated Bacteria Resuspension and Settling in SWAT Predictions of Microbial Water Quality. 2009 International SWAT Conference. Book of Abstracts. August 5-7, 2009. University of Colorado at Boulder. Boulder, Colorado. Texas AgriLife Research, Texas A&M University, USDA-Agricultural Research Service:60.
Survival of E. coli delivered with manure to stream sediment -
Garzio-Hadzick, A.M., Shelton, D.R., Pachepsky, Y.A., Hill, R.L., Guber, A.K., Rowland, R.A., Hadzick, Z.Z. 2009. Survival of E. coli delivered with manure to stream sediment. ASA-CSSA-SSSA Annual Meeting Abstracts. http://a-c-s.confex.com/crops/2009am/webprogram/Paper52279.html.
Model of fecal coliform overland transport from agricultural lands fertilized with animal manure -
Guber, A.K., Yakirevich, A., Shelton, D.R., Sadeghi, A.M., Goodrich, D.C., Unkrich, C.L., Rowland, R.A., Pachepsky, Y.A. 2009. Model of fecal coliform overland transport from agricultural lands fertilized with animal manure. ASA-CSSA-SSSA Annual Meeting Abstracts. http://a-c-s.confex.com/crops/2009am/webprogram/Paper52269.html
Event-based Modeling of Fecal Coliform Concentrations in Runoff from Manured Fields -
Sensitive detection of E. coli O157:H7 -
Zhu, P., Shelton, D.R., Adams, D., Li, S., Tang, C., Amstutz, P.T. Sensitive detection of E. coli O157:H7. Meeting Abstract.
Evaluation of enterohemorrhagic Escherichia coli (EHEC) growth media against six EHEC strains -
Adams, D., Zhu, P., Shelton, D.R., Stefansson, S., Li, S., Amstutz, P., Tang, C. 2009. Evaluation of enterohemorrhagic Escherichia coli (EHEC) growth media against six EHEC strains. Meeting Abstract.
Database on Pathogen and Indicator Organism Survival in Soils and other Environmental Media -
Pachepsky, L., Sadeghi, A.M., Shelton, D.R., Pachepsky, Y.A. 2009. Database on pathogen and indicator organism survival in soils and other environmental media. American Society of Agronomy. http://a-c-s.confex.com/crops/2009am/webprogram/Paper51997.html
Survival of E. coli in stream sediment as affected by temperature, texture, and organic matter -
Garzio-Hadzick, A.M., Shelton, D.R., Hill, R.L., Guber, A.K., Rowland, R.A., Hadzick, Z.Z., Pachepsky, Y.A. 2009. Survival of E. coli in stream sediment as affected by temperature, texture, and organic matter. BARC Poster Day April 15, 2009.
Enhancing the USDA-ARS Soil and Water Assessment Tool (SWAT) with the in-stream bacteria fate and transport module including sediment bacteria resuspension and settling -
Kim, J., Pachepsky, Y.A., Shelton, D.R., Coppock, C.R. 2009. Enhancing the USDA-ARS Soil and Water Assessment Tool (SWAT) with the in-stream bacteria fate and transport module including sediment bacteria resuspension and settling. BARC Poster Day, April 15, 2009.
E. coli resuspension during an artificial high-flow event in a small first-order creek -
Pachepsky, Y.A., Guber, A.K., Shelton, D.R., Hill, R.L. 2009. E. coli resuspension during an artificial high-flow event in a small first-order creek. European Geosciences Union General Assembly Proceedings. April 19-24, 2009, Vienna, Austria. EGU2009-9880.
Including the resuspension of the streambed E. coli in the Soil and Water Assessment Tool (SWAT) -
Uncertainty Evaluation of Coliform Bacteria Removal from Vegetated Filter Strip under Overland Flow Condition Reprint Icon -
Guber, A.K., Yakirevich, A.M., Sadeghi, A.M., Pachepsky, Y.A., Shelton, D.R. 2009. Uncertainty Evaluation of Coliform Bacteria Removal from Vegetated Filter Strip under Overland Flow Condition. Journal of Environmental Quality. 38:1636-1644.
Storm Water Pollution Removal Performance of Compost Filter Socks -
Codling, E.E., Faucette, L.B., Cardoso-Gendreau, F.A., Sadeghi, A.M., Pachepsky, Y.A., Shelton, D.R. 2009. Storm Water Pollution Removal Performance of Compost Filter Socks. Journal of Soil and Water Conservation. 38:1233-1239.
Size Distributions of Manure Particles Released Concurrently with E. coli Under Simulated Rainfall Reprint Icon -
Pachepsky, Y.A., Guber, A.K., Shelton, D.R., Mccarty, G.W. 2009. Size Distributions of Manure Particles Released Concurrently with E. coli Under Simulated Rainfall. Journal of Environmental Management. 90:1365-1369.
DESIGN OF INTEGRATING WAVEGUIDE BIOSENSOR -
Li, S., Amstutz, P., Tang, C., Hang, J., Sandaram, A., Zhu, P., Shelton, D.R., Karns, J.S. 2009. DESIGN OF INTEGRATING WAVEGUIDE BIOSENSOR. Springer Verlag. p .389-401.
Strain-dependent variations in attachment of E. coli to soil particles of different sizes -
Pachepsky, Y.A., Karns, J.S., Yu, O., Shelton, D.R., Guber, A.K., Van Kessel, J.S. 2008. Strain-dependent variations in attachment of E. coli to soil particles of different sizes. International Agrophysics. 22:61-66.
A Multiple Protocol to Improve Diagnosis and Isolation of Shiga Toxin-Producing Escherichia coli (STEC) from Human Stool Specimens -
Shelton, D.R., Karns, J.S., Park, C.H. 2008. A multiple protocol to improve diagnosis and isolation of shiga toxin-producing escherichia coli (stec) from human stool specimens. Diagnostic Microbiology and Infectious Disease. http://dx.DOI.org/10.1016/j.diagmicrobio.2008.05.001.
Loss of Bioactive Phosphorus and Enteric Bacteria in Runoff from Dairy Manure Applied to Sod -
Dao, T.H., Guber, A.K., Sadeghi, A.M., Karns, J.S., Van Kessel, J.S., Shelton, D.R., Pachepsky, Y.A., Mccarty, G.W. 2008. Loss of Bioactive Phosphorus and Enteric Bacteria in Runoff from Dairy Manure Applied to Sod. Soil Science. 173:511-521.
Characterization of microbial content of organic and conventional produce in Maryland relative to production practices and inputs -
Millner, P.D., Ingram, D.T., Reynolds, S.L., Shelton, D.R., Patel, J.R. 2008. Characterization of microbial content of organic and conventional produce in Maryland relative to production practices and inputs. International Association for Food Protection Abstract Book. Paper No. P1-29. p. 62.
Development of a Rapid and Sensitive Immunoassay for Detection and Subsequent Recovery of Bacillus anthracis Spores in Environmental Samples -
Hang, J., Sundaram, A.K., Zhu, P., Shelton, D.R., Karns, J.S., Martin, P.A., Li, S., Amstutz, P., Tang, C.M. 2008. Development of a Rapid and Sensitive Immunoassay for Detection and Subsequent Recovery of Bacillus anthracis Spores in Environmental Samples. Journal of Microbial Methods. 73:242–246.
Evaluation of Microbial Water Quality Indicators in a Forested/Agricultural Watershed -
Shelton, D.R., Karns, J.S., Sadeghi, A.M., Coppock, C.R., Pachepsky, Y.A. 2008. Evaluation of Microbial Water Quality Indicators in a Forested/Agricultural Watershed. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). Online: http://asae.frymulti.com/abstract.asp?aid=24306&t=1.
Overland transport of manure-borne pathogen indicator organisms: observations and modeling -
Pachepsky, Y.A., Guber, A.K., Shelton, D.R., Sadeghi, A.M. 2008. Overland transport of manure-borne pathogen indicator organisms: observations and modeling. European Geoscienes union General Assembly 2008, Vienna, Austria, April 13-18, 2008.
Probabilistic Evaluation of the Vegetated Filter Strip Efficiency With Respect to Pathogen Removal From Runoff -
Pachepsky, Y.A., Guber, A.K., Sadeghi, A.M., Shelton, D.R. 2007. Probabilistic Evaluation of the Vegetated Filter Strip Efficiency With Respect to Pathogen Removal From Runoff. Fall Meeting of the American Geophysical Union, December 10-14, 2007, San Francisco, CA.
Interaction of fecal coliforms with soil aggregates -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R., Yu, O. 2007. Interaction of fecal coliforms with soil aggregates. ASA-CSSA-SSSA International Annual Meetings, November 4-8, 2007, New Orleans, LA. Abstract 292-22. 2007 CDROM
Strain-dependent variations in attachment of E. coli to soil particles of different sizes -
Yu, O., Pachepsky, Y.A., Karns, J.S., Shelton, D.R., Guber, A.K. 2007. Strain-dependent variations in attachment of E. coli to soil particles of different sizes. ASA-CSSA-SSSA International Annual Meeting, November 4-8, 2007, New Orleans, LA. Abstract 292-24. 2007 CDROM.
Modeling E. Coli Retention in Vegetated Filter Strips -
Sadeghi, A.M., Guber, A.K., Pachepsky, Y.A., Nemes, A., Shelton, D.R. 2007. Modeling E. Coli Retention in Vegetated Filter Strips [abstract]. ASA-CSSA-SSSA International Annual Meetings, November 4-8, 2007, New Orleans, LA. Abstract 245-10. 2007 CDROM.
Uncertainty assessment for the vegetated filter strip performance with respect to manure-borne pathogens -
Pachepsky, Y.A., Guber, A.K., Sadeghi, A.M., Shelton, D.R. 2007. Uncertainty assessment for the vegetated filter strip performance with respect to manure-borne pathogens. Joint Assembly of the European and American Geophysical Unions. Paper No. B41C-02.
Effect of Manure on Fecal Coliform Attachment to Soil and Soil Particles of Different Sizes -
Pachepsky, Y.A., Guber, A.K., Shelton, D.R., Yu, O.T. 2007. Effect of Manure on Fecal Coliform Attachment to Soil and Soil Particles of Different Sizes. Applied and Environmental Microbiology. 73(10):3363-3370.
A Multiple Protocol to Improved Diagnosis and Isolation of Shiga toxin-Producing Escherichia coli (STEC) from Human Stool Specimens -
Shelton, D.R., Park, C., Karns, J.S. 2007. A multiple protocol to improved diagnosis and isolation of shiga toxin-producing escherichia coli (stec) from human stool specimens. 107th Annual Meeting of the American Society for Microbiology, May 21-25, 2007, Toronto, Canada.
SURVIVAL OF ESCHERICHIA COLI IN COW PATS IN PASTURE AND IN LABORATORY CONDITIONS -
Van Kessel, J.S., Pachepsky, Y.A., Shelton, D.R., Karns, J.S. 2007. Survival of Escherichia coli in cow pats in pasture and in laboratory conditions. Journal of Applied Microbiology. 103(4):1122-1127.
ATTACHMENT OF ESCHERICHIA COLI TO SOIL AGGREGATES AS AFFECTED BY AGGREGATE WATER CONTENT AND PRESENCE OF MANURE COLLOIDS -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R., Yu, O.T. 2006. Attachment of escherichia coli to soil aggregates as affected by aggregate water content and presence of manure colloids. American Geophysical Union, December 11-15, 2006, San Francisco, CA. 0800h:H11E-1292.
Model of Aquaspirillum and Arthrobacter transport in soils -
Devin, B.A., Pachepsky, Y.A., Shein, E.V., Polyanskaia, L.M., Shelton, D.R., Guber, A.K. 2006. Model of Aquaspirillum and Arthrobacter transport in soils. Transactions of the Institute of Ecological Soil Science. 20(3):207-218.
RAINFALL-INDUCED RELEASE OF MANURE CONSTITUENTS: COMPARISON OF MODELS -
Guber, A.K., Shelton, D.R., Sadeghi, A.M., Pachepsky, Y.A., Sikora, L.J. 2006. Rainfall-induced release of manure constituents: comparison of models. Journal of Applied and Environmental Microbiology. AEM.01121-06v1.
TRANSPORT AND FATE OF MANURE-BORNE PATHOGENS: MODELING PERSPECTIVE -
Pachepsky, Y.A., Sadeghi, A.M., Bradford, S.A., Shelton, D.R., Guber, A.K., Dao, T.H. 2006. Transport and fate of manure-borne pathogens: modeling perspective. Agricultural Water Management. Online-(doi:10.1016/j.agwat.2006.06.0l0.)
PREFERENTIAL E. COLI TRANSPORT IN SATURATED SOIL COLUMNS -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R., Van Genuchten, M.T. 2006. Preferential E. coli transport in saturated soil columns. Preferential Flow and Transport Processes in Soil Conference, November 4-9,2006, Monte Verita, Ascona, Switzerland.
IMPACT OF MICROBIAL DIVERSITY ON RAPID DETECTION OF ENTEROHEMORRHAGIC ESCHERICHIA COLI IN SURFACE WATERS -
Shelton, D.R., Karns, J.S., Higgins, J.A., Van Kessel, J.S., Perdue, M.L., Belt, K.T., Russel-Anelli, J., Debroy, C. 2006. Impact of microbial diversity on rapid detection of enterohemorrhagic Escherichia coli in surface waters. Federation of European Microbiological Societies Microbiology Letters. 261:95-101.
APPLICATION OF RAMAN SPECTROSCOPY TO ANALYSE THE CRYPTOSPORIDIUM PARVUM OOCYST WALL AND SUTURE CONSTITUENTS -
Jayasundera, S., Schmidt, W.F., Shelton, D.R., Fayer, R., Adar, F. 2006. Application of raman spectroscopy to analyse the cryptosporidium parvum oocyst wall and suture constituents [abstract]. Eastern Analytical Symposium. Somerset, New Jersey, November 13-16, 2006. Abstract #553, p. 58.
EFFECT OF MANURE ON ESCHERICHIA COLI ATTACHMENT TO SOIL FRACTIONS -
Guber, A.A., Pachepsky, Y.A., Shelton, D.R., Yu, O.T. 2006. Effect of manure on Escherichia coli attachment to soil fractions. ASA-CSSA-SSSA International Meeting, November 12-16,2006, Indianapolis, Indiana. CD-ROM.
RUNOFF TRANSPORT OF MANURE-BORNE FECAL COLIFORMS AND CHLORIDE: FIELD PLOT EXPERIMENT AND MODELING -
Guber, A.A., Shelton, D.R., Sadeghi, A.M., Pachepsky, Y.A., Nemes, A., Sefton, K.A. 2006. Runoff transport of manure-borne fecal coliforms and chloride: Field plot experiment and modeling. ASA-CSSA-SSSA International Meeting, November 12-16, 2006, Indianapolis, Indiana. CD-ROM.
MODELING MANURE-BORNE BROMIDE AND FECAL COLIFORM TRANSPORT WITH RUNOFF AND INFILTRATION AT A HILLSLOPE -
Kouznetsov, M.Y., Roodsari, R., Pachepsky, Y.A., Shelton, D.R., Sadeghi, A.M., Shirmohammadi, A., Starr, J.L. 2006. Modeling manure-borne bromide and fecal coliform transport with runoff and infiltration on a hillsope. Journal of Environmental Management. 84(2007):336-346.
THE LIMITED ENTRAPMENT MODEL TO SIMULATE THE BREAKTHROUGH OF ARTHROBACTER AND AQUASPIRILLUM IN SOIL COLUMNS -
Pachepsky, Y.A., Devin, B.A., Polyanskaya, L.M., Shelton, D.R., Shein, E.V., Guber, A.K. 2006. The limited entrapment model to simulate the breakthrough of arthrobacter and aquaspirillum in soil columns. International Agrophysics. 20(3):207-218.
IMPACT OF MICROBIAL DIVERSITY ON DETECTION OF WATER-BORNE ENTEROHEMORRHAGIC ESCHERICHIA COLI -
Shelton, D.R., Karns, J.S., Higgins, J.A., Van Kessel, J.S., Belt, K.T., Debroy, C. 2006. Impact of microbial diversity on detection of water-borne enterohemorrhagic Escherichia coli [abstract]. 2nd FEMS Congress of European Microbiologists, July 4-8, 2006, Madrid, Spain.
ATTACHMENT OF MANURE-BORNE ESCHERICHIA COLI TO SOIL -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R. 2006. Attachment of manure-borne Escherichia coli to soil. 18th World Congress of Soil Science, Philadelphia, PA. July 9-15, 2006. CD-ROM, Paper No. 139-28.
DETECTION OF PATHOGENIC AGENTS USING THE INTEGRATING WAVEGUIDE BIOSENSOR -
Shelton, D.R., Zhu, P., Hang, J., Li, S., Karns, J.S., Amstutz, P., Tang, C. 2006. Detection of pathogenic agents using the integrating waveguide biosensor [abstract]. The Ninth World Congress on Biosensors, May 10-12, 2006, Toronto, Ontario, Canada.
DETECTION OF PATHOGENIC AGENTS USING THE INTEGRATING WAVEGUIDE BIOSENSOR -
Tang, C., Shelton, D.R., Zhu, P., Hang, J., Li, S., Karns, J.S., Amstutz, P. 2006. Detection of pathogenic agents using the Integrating Waveguide Biosensor. ASM Biodefense Research Meeting, February 15-18, 2006, Baltimore, MD. p.39.
MANURE DECREASES ESCHERICHIA COLI ATTACHMENT TO SOIL -
Guber, A.K., Shelton, D.R., Pachepsky, Y.A. 2005. Manure decreases Escherichia coli attachment to soil. Journal of Environmental Quality. 34:2086-2090, DOI: 10.2134/jeq2005.0039.
SPATIAL AND TEMPORAL VARIABILITY OF FECAL COLIFORM AT AND NEAR A MANURED FIELD -
Pachepsky, Y.A., Shelton, D.R., Sadeghi, A.M., Gish, T.J., Daughtry, C.S., Guber, A.K., Coppock, C.R. 2005. Spatial and temporal variability of fecal coliform at and near a manured field [abstract]. American Society of Agronomy Annual Meeting. 2005 CDROM.
TRANSPORT OF MANURE CONSTITUENTS IN RUNOFF -
Guber, A.K., Shelton, D.R., Sadeghi, A.M., Sikora, L.J., Nemes, A., Pachepsky, Y.A. 2005. Transport of manure constituents in runoff [abstract]. American Geophysical Union Fall Meeting. 2005 CDROM.
PREDICTING THE MICROBIAL CONTAMINATION OF SOILS OF RIVER VALLEYS -
Devin, B.A., Shein, E.V., Pachepsky, Y.A., Shelton, D.R. 2005. Predicting the microbial contamination of soils of river valleys. International Conference on Ecology of River Basins. September 28-30, 2005, Vladimir, Russia. pp.63-65.
SPATIAL AND TEMPORAL VARIABILITY OF FECAL COLIFORMS AT AND NEAR A MANURED FIELD -
Pachepsky, Y.A., Shelton, D.R., Sadeghi, A.M., Gish, T.J., Daughtry, C.S., Guber, A.K., Coppock, C.R. 2005. Spatial and temporal variability of fecal coliform at and near a manured field [abstract]. 2005 International American Agronomy Society Meeting. 2005 CDROM.
FECAL COLIFORM TRANSPORT AS AFFECTED BY SURFACE CONDITION -
Roodsari, R., Shelton, D.R., Shirmohammadi, A., Pachepsky, Y.A., Sadeghi, A.M., Starr, J.L. 2005. Fecal coliform transport as affected by surface condition. Transactions of the ASAE. 48(3):1055-1061.
EFFECT OF BOVINE MANURE ON CRYPTOSPORIDIUM PARVUM OOCYST ATTACHMENT TO SOIL -
Kuczynska, E., Shelton, D.R., Pachepsky, Y.A. 2005. Effect of bovine manure on cryptosporidium parvum oocyst attachment to soil. Applied and Environmental Microbiology. 71(10):6394-6397.
RAINFALL-INDUCED RELEASE OF MANURE CONSTITUENTS: COMPARISON OF MODELS -
Guber, A.K., Shelton, D.R., Pachepsky, Y.A., Sadeghi, A.M. 2005. Rainfall-induced release of manure constituents: comparison of models [abstract]. ASA-CSSA-SSSA International Annual Meeting.
RAPID GERMINATION AND GROWTH OF BACILLUS ANTHRACIS -
Hang, J., Sundaram, A., Shelton, D.R., Karns, J.S., Zhu, P., Amstutz, P., Tang, C. 2005. Rapid Germination and Growth of Bacillus Anthracis. ASM Biodefense Research Meeting, March 20-23, 2005, Baltimore, MD. p.60.
SENSITIVE AND RAPID BIOSENSOR AND ASSAYS FOR DETECTION OF BACILLUS ANTHRACIS SPORES -
Sundaram, A., Hang, J., Shelton, D.R., Karns, J.S., Zhu, P., Li, S., Amstutz, P., Bull, R., Tang, C. 2005. Sensitive and Rapid Biosensor and Assays for Detection of Bacillus Anthracis Spores. ASM Biodefense Research Meeting, March 20-23, 2005, Baltimore, MD. p.60.
A BIOSENSOR PLATFORM FOR GENETIC IDENTIFICATION AND QUANTITATION OF BACILLUS ANTHRACIS -
Zhu, P., Shelton, D.R., Higgins, J.A., Karns, J.S., Bull, R.L., Martin, P.A., Amstutz, P., Tang, C. 2005. A Biosensor Platform for Genetic Identification and Quantitation of Bacillus Anthracis. ASM Biodefense Research Meeting, March 20-23, 2005, Baltimore, MD.
TRANSPORT AND RETENTION OF MANURE-BORNE E. COLI IN UNDISTURBED SOIL COLUMNS -
Shelton, D.R., Guber, A.K., Shein, E.V., Polyanskaya, L.M., Devin, B.A., Pachepsky, Y.A. 2005. Transport and Retention of Manure-Borne E. coli in Undisturbed Soil Columns. European Geosciences Union General Assembly Proceedings, April 24-29, 2005, Vienna, Austria. p. 9.
TRANSPORT AND RETENTION OF MANURE-BORNE COLIFORMS IN SOIL COLUMNS -
Guber, A.K., Shelton, D.R., Pachepsky, Y.A. 2005. Transport and retention of manure-borne coliforms in soil columns. Vadose Zone Journal. Vol.4:828-837
RUNOFF TRANSPORT OF FECAL COLIFORMS AND PHOSPHOROUS RELEASED FROM MANURE IN GRASS BUFFER CONDITIONS -
Stout, W.L., Pachepsky, Y.A., Shelton, D.R., Sadeghi, A.M., Saporito, L.S., Sharpley, A.N. 2005. Runoff transport of fecal coliforms and phosphorous released from manure in grass buffer conditions. Letters in Applied Microbiology. (41):230-234.
DETECTION OF WATER BORNE E. COLI USING THE INTEGRATED WAVEGUIDE BIOSENSOR -
Shu, P., Shelton, D.R., Karns, J.S., Sundaram, A., Li, S., Amstutz, P., Tang, C. 2005. Detection of water borne E. coli using the integrated waveguide biosensor. Biosensors and Bioelectronics. 21:678-683.
TRANSPORT OF MANURE-BORNE CRYPTOSPORIDIUM PARVUM OOCYSTS THROUGH SATURATED AND UNSATURATED SOIL COLUMNS -
Pachepsky, Y.A., Shelton, D.R., Kuczynska, E., Rouhi, S.A. 2005. Transport of manure-borne cryptosporidium parvum oocysts through saturated and unsaturated soil columns. International Agrophysics. 19:1-7.
TIR- AND STX- POSITIVE E. COLI IN STREAM WATERS IN A METROPOLITAN AREA -
Higgins, J.A., Karns, J.S., Shelton, D.R., Belt, K.T., Anelli, J. 2005. Tir- and stx- positive E. coli in stream waters in a metropolitan area. Applied and Environmental Microbiology. 71:2511-2519.
FATE AND TRANSPORT OF MANURE-BORNE PATHOGENS: MULTI-SCALE ASSESSMENT -
Pachepsky, Y.A., Sadeghi, A.M., Shelton, D.R., Starr, D.O. 2004. Fate and Transport of Manure-borne Pathogens: Multi-scale Assessment. Regional Science Workshop on Animal Feeding Operations. p. 2.
TRANSPORT AND RETENTION OF E. COLI IN SATURATED STRUCTURED SOIL -
Guber, A.K., Shelton, D.R., Pachepsky, Y.A. 2004. Transport and retention of E. coli in saturated structured soil.[Abstract] American Geophysical Union. p.27.
RELEASE AND PARTITIONING OF MANURE-BORNE PHOSPHORUS AND FECAL COLIFORMS -
Shelton, D.R., Guber, A.K., Sikora, L.J., Sadeghi, A.M., Pachepsky, Y.A., Nemes, A. 2004. Release and partitioning of manure-borne phosphorus and fecal coliforms[abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. 2004 CDROM.
DISTRIBUTION OF MANURE-BORNE FECAL COLIFORMS IN SOIL ON GRASS BUFFER STRIP -
Weltz, L., Pachepsky, Y.A., Shelton, D.R., Guber, A.K., Nemes, A., Starr, J.L. 2004. Distribution of manure-borne fecal coliforms in soil on grass buffer strip [Abstract]. American Society of Agronomy, Northeastern Branch Annual Meeting, July 11-14, 2004, Bordentown, New Jersey. p.4 .
ESTIMATION OF VIABLE ESCHERICHIA COLI 0157 IN SURFACE WATERS USING ENRICHMENT IN CONJUNCTION WITH IMMUNOLOGICAL DETECTION -
Shelton, D.R., Higgins, J.A., Van Kessel, J.S., Pachepsky, Y.A., Belt, K., Karns, J.S. 2004. Estimation of viable Escherichia coli 0157 in surface waters using enrichment in conjunction with immunological detection. Journal of Microbiological Methods. 58:223-231.
TRANSPORT AND RETENTION OF E. COLI IN SATURATED WELL-STRUCTURED SOIL -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R. 2004. Transport and retention of E. coli in saturated well-structured soil. American Geophysical Union, May 17-21, 2004, Montreal, Canada. Paper #3112.
MODELING FATE AND TRANSPORT OF MANURE-BORNE PATHOGENS IN THE ENVIRONMENT -
Pachepsky, Y.A., Bradford, S.A., Sadeghi, A.M., Guber, A.K., Shelton, D.R. 2004. Modeling fate and transport of manure-borne pathogens in the environment. In: Proceedings of the Pathogens in the Environment Workshop, February 23-25, 2004, Kansas City, Missouri. p. 34-38.
A COMBINED IMMUNOLOGICAL-PCR BIOSENSOR FOR DETECTION OF WATER BORNE E. COL 0157:H7 -
Zhu, P., Shelton, D.R., Karns, J.S., Sundaram, A., Li, S., Amstutz, P., Tang, C. 2004. A combined immunological-PCR biosensor for detection of water borne E. coli O157:H7. American Society of Microbiology Meeting, Bio-Defense Research. p. 24.
FACILIATATED MANURE-BORNE BACTERIA TRANSPORT IN SOIL COLUMNS -
Guber, A.K., Pachepsky, Y.A., Shelton, D.R., Shein, E.V., Polyanskaya, L.M., Devin, B.A. 2004. Faciliatated manure-borne bacteria transport in soil columns. [CD-ROM]. European Geophysical Society Meeting, April 26-30, 2004, Nice, France. paper EGU04-A-0542.
TWO-DIMENIONAL REPRESENTATION AND MODELING OF BROMIDE AND MICROBIAL TRANSPORT AT A HILLSLOPE GRASS BUFFER -
Pachepsky, Y.A., Kouznetsov, M.Y., Shelton, D.R., Roodsari, R., Shirmohammadi, A., Sadeghi, A.M., Starr, J.L. 2004. Two-dimenional representation and modeling of bromide and microbial transport at a Hillslope Grass Buffer. In: Proceedings of the 1st General Assembly of the European Geophysical Union, April 25-30, 2004, Nice, France. Paper No. 05011.
COMPARISON OF BATCH AND FLOW EXPERIMENTAL DATA ON RETENTION OF MANURE-BORNE CRYPTOSPORIDIUM PARVUM OOCYSTS IN SOILS -
Pachepsky, Y.A., Shelton, D.R. 2004. Comparison of batch and flow experimental data on retention of manure-borne Cryptosporidium Parvum Oocysts in soils. Environmental Protection Agency. (website: http://es.epa.gov/neer/publications/meetings/9-9-2003/pdf/yakov_pachepsky.pdf.)
ZOONOTIC PATHOGENS FROM MANURE: TRANSPORT AND FATE -
Pachepsky, Y.A., Fayer, R., Perdue, M.L., Shelton, D.R., Van Kessel, J.S. 2004. Zoonotic pathogens from manure: Transport and Fate. [CD-ROM]. University of Delaware Cooperative Extension.
SURVEYING THE BALTIMORE ECOSYSTEM STUDY STREAM SITES FOR THE PRESENCE OF ENTERIC PATHOGENS -
Higgins, J.A., Shelton, D.R., Karns, J.S., Russell-Anelli, J., Belt, K. 2003. Surveying the Baltimore Ecosystem study stream sites for the presence of enteric pathogens [Abstract]. Baltimore Ecosystem Study Annual Meeting. Brochure p.1.
FACILITATED MANURE-BORNE BACTERIA TRANSPORT IN SOIL COLUMNS -
Shelton, D.R., Pachepsky, Y.A., Guber, A.K., Shein, E.V., Polyanskaya, L.M., Devin, B.A. 2003. Facilitated manure-borne bacteria transport in soil columns.[Abstract]. American Society of Agronomy Meetings. p.221
TRANSPORT OF MANURE-BORNE CRYPTOSPORIDIUM PARVUM OOCYSTS THROUGH SATURATED AND UNSATURATED SOIL COLUMNS -
Pachepsky, Y.A., Shelton, D.R. 2003. Transport of manure-borne cryptosporidium parvum oocysts through saturated and unsaturated soil columns. [Abstract]. U.S. Geological Survey/U.S. EPA Stars Meeting, September 10-12, 2003, Reston, VA. p. 17.
DETECTION AND CHARACTERIZATION OF PATHOGENIC E. COLI IN SURFACE WATERS: IMPLICATIONS FOR PREHARVEST PRODUCE -
Shelton, D.R., Pachepsky, Y.A., Belt, K.T., Debroy, C., Karns, J.S. 2003. Detection and characterization of pathogenic E. coli in surface waters: Implications for preharvest produce. United States-Japan Cooperative Program in Natural Resources. p. 12.
EVALUATION OF PARAMETERS AFFECTING DETECTION OF ESCHERICHIA COLI 0157 IN ENRICHED WATER SAMPLES USING IMMUNOMAGNETIC ELECTROCHEMILUMINESCENCE -
Shelton, D.R., Van Kessel, J.S., Wachtel, M.R., Belt, K.T., Karns, J.S. 2003. Evaluation of parameters affecting detection of Escherichia Coli 0157 in enriched water samples using immunomagnetic electrochemiluminescence. Journal of Microbiological Methods. p. 717-725.
MODELING SURFACE AND SUBSURFACE TRANSPORT OF MANURE-BORNE PATHOGENS -
Pachepsky, Y.A., Shelton, D.R., Guber, A., Sadeghi, A.M. 2003.Modeling surface and subsurface transport of manure-borne pathogens. Soil and Water Conservation Society Proceedings, July 25-30, 2003, Spokane, WA. p.56
TWO-DIMENSIONAL REPRESENTATION AND MODELING OF BROMIDE AND FECAL COLIFORM TRANSPORT WITH RUNOFF AND INFILTRATION -
Kouznetsov, M.Y., Shelton, D.R., Pachepsky, Y.A., Roodsari, R., Shirmohammadi, A., Sadeghi, A.M., Starr, J.L. 2003. Two-dimensional representation and modeling of bromide and fecal coliform transport with runoff and infiltration. [Abstract]. American Society of Agronomy Meetings. November 2-6,2003, Denver, Co. p.184.
MODELING MANURE-BORNE PATHOGEN TRANSPORT WITH RUNOFF AND INFILTRATION -
Roodsari, R., Pachepsky, Y.A., Shelton, D.R., Shirmohammadi, P., Sadeghi, A.M., Starr, J.L. 2003. Modeling manure-borne pathogen transport with runoff and infiltration. [Abstract]. ASAE Annual International Meeting. p. 174.
DETECTION OF CRYPTOSPORIDIUM PARVUM IN POLLUTED STREAM WATER -
Higgins, J.A., Belt, K., Hohn, C.A., Shelton, D.R. 2003. Detection of Cryptosporidium parvum in polluted stream water [Abstract]. World Association for the Advancement of Veterinary Parasitology. p. 116.
RECOVERY AND DETECTION OF CRYPTOSPORIDIUM PARVUM OOCYSTS FROM WATER SAMPLES USING CONTINUOUS FLOW CENTRIFUGATION -
Higgins, J.A., Trout, J.M., Fayer, R., Shelton, D.R., Jenkins, M.C. 2003. Recovery and detection of cryptosporidium parvum oocysts from water samples using continuous flow centrifugation. Water Research. (37):3551-3560.
ESTIMATING ESCHERICHIA COLI O157 POPULATIONS IN WATER SAMPLES USING IMMUNOMAGNETIC ELECTROCHEMILUMINESCENCE -
Shelton, D.R., Van Kessel, J.S., Karns, J.S. 2003. Estimating Escherichia coli O157 populations in water samples using immunomagnetic ectrochemiluminescence. American Society for Microbiology Annual Meeting. p.96
REAL-TIME PCR ASSAYS FOR THE QUANTITATION OF ENTEROPATHOGENIC E.COLI IN WATER -
MOVEMENT OF MANURE-BORNE BACTERIA IN SOILS AS A COLLOID-FACILITATED TRANSPORT AFFECTED BY SOIL STRUCTURE -
Guber, A.K., Shelton, D.R., Pachepsky, Y.A. 2003. Movement of manure-borne bacteria in soils as a colloid-facilitated transport affected by soil structure. BARC Poster Day.
MOLECULAR TOOLS TO EVALUATE THE EPIDEMIOLOGY AND CONTROL OF WATERBORNE ZOONOTIC INFECTIONS -
Higgins, J.A., Shelton, D.R., Karns, J.S., Belt, K. 2003. Molecular tools to evaluate the epidemiology and control of waterborne zoonotic infections. American Association of Veterinary Parasitologists Proceedings, July 22, 2003.Denver, Colorado. p. 61.
MODELING SURFACE AND SUBSURFACE TRANSPORT OF MANURE-BORNE MICROORGANISMS -
Pachepsky, Y.A., Shelton, D.R. 2003. Modeling surface and subsurface transport of manure-borne microorganisms. Modeling Environmental Impact of Animal Production. p.12
PREVALENCE AND MOLECULAR CHARACTERIZATION OF ENTEROPATHOGENIC E. COLI IN STREAMS ALONG AN URBAN-RURAL GRADIENT IN THE BALTIMORE, MARYLAND METROPOLITAN AREA -
Higgins, J.A., Karns, J.S., Shelton, D.R., Belt, K. 2003. Prevalence and molecular characterization of enteropathogenic E. coli in streams along an urban-rural gradient in the Baltimore, Maryland Metropolitan Area [abstract]. American Society for Microbiology Annual Meeting. p. 125.
TRANSPORT OF MANURE-BORNE BACTERIA AND COLLOIDS IN A STONY SOIL -
Pachepsky, Y.A., Shelton, D.R., Sadeghi, A.M., Stout, W.L. 2003. Transport of manure-borne bacteria and colloids in a stony soil. Joint Assembly of the European and American Geophysical Unions, April 6-10, 2003, Nice, France. Paper # EGU03-A-03 812.
RELEASE RATES OF MANURE-BORNE COLIFORM BACTERIA FROM DATA ON LEACHING THROUGH STONY SOIL -
Shelton, D.R., Pachepsky, Y.A., Sadeghi, A.M., Stout, W.L., Karns, J.S., Gbarek, W.J. 2003. Release rates of manure-borne coliform bacteria from data on leaching through stony soil. Vadose Zone Journal. 2:34-39.
MODELING COLIFORM BACTERIA AND BROMIDE TRANSPORT IN LARGE IN-SITU COLUMNS OF A FRACTURED SOIL -
Sadeghi, A.M., Pachepsky, Y.A., Shelton, D.R., Stout, W.L. 2002. Modeling coliform bacteria and bromide transport in large in-situ columns of a fractured soil. American Society of Agronomy Meetings. p.178.
INFLUENCE OF HAIRY VETCH RESIDUE ON ATRAZINE AND METOLACHLOR CONCENTRATIONSAND WEED EMERGENCE -
Teasdale, J.R., Shelton, D.R., Sadeghi, A.M., Isensee, A.R. 2003. Influence of hairy vetch residue on atrazine and metolachlor concentrations and weed emergence. Weed Science. 51:628-634.
COMPARISON OF IMMUNOFLUORESCENT ANTIBODY ASSAY (IFA) AND IMMUNOMAGNETIC ELECTROCHEMILUMINESCENCE (IM-ECL) IN DETECTION OF CRYPTOSPORIDIUM PARVUM IN KARST WATER SAMPLES -
KUCZYNSKA, E., BOYER, D.G., SHELTON, D.R. COMPARISON OF IMMUNOFLUORESCENT ANTIBODY ASSAY (IFA) AND IMMUNOMAGNETIC ELECTROCHEMILUMINESCENCE (IM-ECL) IN DETECTION OF CRYPTOSPORIDIUM PARVUM IN KARST WATER SAMPLES. JOURNAL OF MICROBIOLOGICAL METHODS. 2003. v. 53. p. 17-26.
A HANDHELD REAL TIME THERMAL CYCLER FOR BACTERIAL PATHOGEN DETECTION -
Higgins, J.A., Nasarabadi, S., Karns, J.S., Shelton, D.R., Cooper, M., Gbakima, A., Koopman, R.P. 2003. A handheld real time thermal cycler for bacterial pathogen detection. Biosensors and Bioelectronics. p. 115-1123.
FIELD-SCALE MONITORING AND SIMULATION OF THE OVERLAND TRANSPORT OF BROMIDE AND PATHOGENS -
Roodsari, R., Shirmohammadi, A., Shelton, D.R., Pachepsky, Y.A., Sadeghi, A.M., Starr, J.L. 2002. Field-scale monitoring and simulation of the overland transport of bromide and pathogens. Abstract of Agronomy Meetings. p.178.
TRACKING FECAL PATHOGENS FROM CATTLE AND WILDLIFE IN THE CHESAPEAKE BAY -
Trout, J.M., Higgins, J.A., Shelton, D.R., Fayer, R. 2002. Tracking fecal pathogens from cattle and wildlife in the Chesapeake Bay. BARC Poster Day.
PATHOGEN TRANSPORT AFFECTED BY SURFACE CONDITIONS -
Roodsari, R., Shelton, D.R., Sadeghi, A.M., Pachepsky, Y.A., Starr, J.L., Shirmohammadi, A. 2002. Pathogen transport affected by surface conditions. Agricultural Engineering International Conference Proceedings. p.131.
RAPID EXTRACTON OF DNA FROM ESCHERICHIA COLI AND CRYPTOSPORIDIUM PARVUM FOR USE IN PCR -
Higgins, J.A., Jenkins, M.C., Shelton, D.R., Fayer, R., Karns, J.S. 2001. Rapid extracton of dna from escherichia coli and cryptosporidium parvum for use in pcr. Applied and Environmental Microbiology. 67:5321-5324.
NRAES 135 PASTURE-BASED LIVESTOCK PRODUCTION - CHAPTER 8: ENVIRONMENTAL IMPACTS OF GRAZING -
QUANTITATIVE DETECTION OF ESCHERICHIA COLI O157 IN SURFACE WATERS USING IMMUNOMAGNETIC-ELECTROCHEMILUMINESCENCE (IM-ECL) -
SHELTON, D.R., KARNS, J.S. QUANTITATIVE DETECTION OF ESCHERICHIA COLI O157 IN SURFACE WATERS USING IMMUNOMAGNETIC-ELECTROCHEMILUMINESCENCE (IM-ECL). APPLIED AND ENVIRONMENTAL MICROBIOLOGY. 2001.
APPLICATION OF RAMAN SPECTROSCOPY TO ANALYZE THE CRYPTOSPORIDIUM PARVUM OOCYST WALL AND SUTURE CONSTITUENTS -
SHELTON, D.R., FAYER, R., JAYASUNDERA, S., ADAR, F. APPLICATION OF RAMAN SPECTROSCOPY TO ANALYZE THE CRYPTOSPORIDIUM PARVUM OOCYST WALL AND SUTURE CONSTITUENTS. ANNUAL EXPERIMENTAL NUCLEAR MAGNETIC RESONANCE CONFERENCE. 2001.
DENTRIFICATION AND N MINERALIZATION AS INFLUENCED BY HAIRY VETCH AND RYE COVER -
INFLUENCE OF SOIL TYPE AND BOVINE MANURE ON FATE AND TRANSPORT OF CRYPTOSPORIDIUM PARVUM OOCYSTS IN SOIL -
HUMAN AND ANIMAL PATHOGENS IN THE CHESAPEAKE BAY WATERSHED: CRYPTOSPORIDIUMAND PFIESTERIA -
PESTICIDE IN SOIL AND WATER. -
Last Modified: 8/26/2016
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