Publications (Clicking on the reprint icon will take you to the publication reprint.)

Bacterial community composition in low-flowing river water with different sources of pollutants - (Peer Reviewed Journal)

Ibekwe, A.M., Leddy, M.B., Bold, R.M., Graves, A.K. 2011. Bacterial community composition in low-flowing river water with different sources of pollutants. FEMS Microbiology Ecology. 79:155-166.

Variations of indicator bacteria in a large urban watershed - (Peer Reviewed Journal)

Ibekwe, A.M., Lesch, S.M., Bold, R.M., Leddy, M.B., Graves, A.K. 2011. Variations of indicator bacteria in a large urban watershed. Transactions of the ASABE. 54(6):2227-2236.

Persistence of escherichia coli O157:H7 and its mutants in soils - (Peer Reviewed Journal)

Ma, J., Ibekwe, A.M., Yi, X., Wang, H., Yamazaki, A., Crowley, D.E., Yang, C. 2011. Persistence of escherichia coli O157:H7 and its mutants in soils. PLoS One. 6(8):1-8.

Genetic diversity and antimicrobial resistance of Escherichia coli from human and animal sources uncovers multiple resistances from human sources - (Peer Reviewed Journal)

Ibekwe, A.M., Murinda, S.E., Graves, A.K. 2011. Genetic diversity and antimicrobial resistance of Escherichia coli from human and animal sources uncovers multiple resistances from human sources. PLoS One. 6(6):1-12.

Commensal effect of pectate lyases secreted from Dickeya dadantii on the proliferation of Escherichia coli O157:H7 on lettuce leaves - (Peer Reviewed Journal)

Yamazaki, A., Li, J., Hutchins, W.C., Wang, L., Ma, J., Ibekwe, A.M., Yang, C. 2011. Commensal effect of pectate lyases secreted from Dickeya dadantii on the proliferation of Escherichia coli O157:H7 on lettuce leaves. Applied and Environmental Microbiology. 77(1):156-162.

Quantification of persistence of Escherichia coli O157:H7 in contrasting soils     - (Peer Reviewed Journal)

Ibekwe, A.M., Papiernik, S.K., Grieve, C.M., Yang, C. 2010. Quantification of persistence of Escherichia coli O157:H7 in contrasting soils. Internationl Journal of Microbiology. Available: http://www.hindawi.com/journals/ijmb/2011/421379.html.

Influence of Soil fumigation by Methyl Bromide and Methyl Iodide on Rhizosphere and Phyllosphere Microbial Community Structure     - (Peer Reviewed Journal)

Ibekwe, A.M., Papiernik, S.K., Yang, C. 2010. Influence of Soil Fumigation by Methyl Bromide and Methyl Iodide on Rhizosphere and Phyllosphere Microbial Community Structure. Journal of Environmental Science and Health. 45(5):427-436.

Pore-scale simulations to determine the applied hydrodynamic torque and colloid immobilization - (Peer Reviewed Journal)

Bradford, S.A., Torkzaban, S., Wiegmann, A. 2011. Pore-scale simulations to determine the applied hydrodynamic torque and colloid immobilization. Vadose Zone Journal. 10:252-261.

Regulatory mechanisms of exoribonuclease PNPase and regulatory small RNA on T3SS of dickeya dadantii     - (Peer Reviewed Journal)

Zeng, Q., Ibekwe, A.M., Biddle, E., Yang, C.H. 2010. Regulatory mechanisms of exoribonuclease PNPase and regulatory small RNA on T3SS of dickeya dadantii. Molecular Plant-Microbe Interactions. 23(10):1345-1355.

Implications of cation exchange on clay release and colloid-facilitated transport in porous media - (Peer Reviewed Journal)

Bradford, S.A., Kim, H.K. 2010. Implications of cation exchange on clay release and colloid-facilitated transport in porous media. Journal of Environmental Quality. 39(6):2040-2046.

Recommendations for nutrient management plans in a semi-Arid environment     - (Peer Reviewed Journal)

Segal, E., Shouse, P.J., Poss, J.A., Crohn, D.M., Bradford, S.A. 2010. Recommendations for nutrient management plans in a semi-Arid environment. Agriculture, Ecosystems and Environment. 137(2):317-328.

Influence of fumigants on soil microbial diversity and survival of E. coli O157:H7     - (Peer Reviewed Journal)

Ibekwe, A.M., Papiernik, S.K., Grieve, C.M., Yang, C. 2010. Influence of fumigants on soil microbial diversity and survival of E. coli O157:H7. Journal of Environmental Science and Health. 45(5):416-426.

Bacterial diversity in cucumber (Cucumis sativus) rhizosphere in response to salinity, soil pH and boron     - (Peer Reviewed Journal)

Ibekwe, A.M., Poss, J.A., Grattan, S.R., Grieve, C.M., Suarez, D.L. 2010. Bacterial diversity in cucumber (Cucumis sativus) rhizosphere in response to salinity, soil pH and boron. Soil Biology and Biochemistry. 42(4):567-575.

Measuring Particle Size Distribution using Laser Diffraction: Implications for Predicting Soil Hydraulic Properties     - (Peer Reviewed Journal)

Segal, E., Shouse, P.J., Bradford, S.A., Skaggs, T.H., Corwin, D.L. 2009. Measuring Particle Size Distribution using Laser Diffraction: Implications for Predicting Soil Hydraulic Properties. Soil Science. 174(12)639:645.

Coupled Factors Influencing the Transport and Retention of Cryptosporidium Parvum Oocysts in Saturated Porous Media     - (Peer Reviewed Journal)

Kim, H., Walker, S., Bradford, S.A. 2010. Coupled Factors Influencing the Transport and Retention of Cryptosporidium Parvum Oocysts in Saturated Porous Media. Water Research. 44(4):1213-1223.

Persistence of Escherichia coli 0157:H7 on the Rhizosphere and Phyllosphere of lettuce.     - (Peer Reviewed Journal)

Ibekwe, A.M., Grieve, C.M., Papiernik, S.K., Yang, C.H. 2009. Persistence of Escherichia coli 0157:H7 on the Rhizosphere and Phyllosphere of lettuce. Letters in Applied Microbiology. 49:784-790.

Combined physical and chemical nonequilibrium transport model: Analytical solution, moments, and application to colloids     - (Peer Reviewed Journal)

Leij, F.J., Bradford, S.A. 2009. Combined physical and chemical nonequilibrium transport model: Analytical solution, moments, and application to colloids. Journal of Contaminant Hydrology. 110(3-4)87-99.

Macromolecule Mediated Transport and Retention of Escherichia coli O157:H7 in Saturated Porous Media     - (Peer Reviewed Journal)

Kim, H., Walker, S., Bradford, S.A. 2010. Macromolecule Mediated Transport and Retention of Escherichia coli O157:H7 in Saturated Porous Media. Water Research. 44(4):1082-1093.

Reply to comment by William P. Johnson et al. on ‘‘Transport and fate of bacteria in porous media: Coupled effects of chemical conditions and pore space geometry’’ - (Other)

Torkzaban, S., Walker, S.L., Bradford, S.A. 2009. Reply to comment by William P. Johnson et al. on ‘‘Transport and fate of bacteria in porous media: Coupled effects of chemical conditions and pore space geometry’’. Water Resources Research. 45:W09604

Coupled Factors Influencing Concentration Dependent Colloid Transport and Retention in Saturated Porous Media     - (Peer Reviewed Journal)

Bradford, S.A., Kim, H.N., Haznedaroglu, B.Z., Torkzaban, S., Walker, S.L. 2009. Coupled Factors Influencing Concentration Dependent Colloid Transport and Retention in Saturated Porous Media. Environmental Science and Technology. 43(18)6996-7002.

An assessment of environmental conditions for control of downy brome by Pseudomonas fluorescens D7     - (Peer Reviewed Journal)

Ibekwe, A.M., Kennedy, A.C., Stubbs, T. 2010. An assessment of environmental conditions for control of downy brome by Pseudomonas fluorescens D7. International Journal of Environmental Technology and Management(IJETM). 12:27-46.

Surface Characteristics and Adhesion Behavior of Escherichia coli O157:H7: Role of Extracellular Macromolecules     - (Peer Reviewed Journal)

Kim, H.N., Hong, Y., Lee, I., Bradford, S.A., Walker, S.L. 2009. Surface Characteristics and Adhesion Behavior of Escherichia coli O157:H7: Role of Extracellular Macromolecules. Biomacromolecules. 10(9):2556-2564.

Escherichia coli O157:H7 Transport in Saturated Porous Media: Role of Solution Chemistry and Surface Macromolecules     - (Peer Reviewed Journal)

Kim, H., Bradford, S.A., Walker, S. 2009. Escherichia coli O157:H7 Transport in Saturated Porous Media: Role of Solution Chemistry and Surface Macromolecules. Journal of Environmental Science & Technology, 43(12):4340-4347.

Relative Transport Behavior of Escherichia coli O157:H7 and Salmonella enterica serovar Pullorum in Packed Bed Column Systems: Influence of Solution Chemistry and Cell Concentration     - (Peer Reviewed Journal)

Haznedaroglu, B.Z., Kim, H.N., Bradford, S.A., Walker, S.L. 2009. Relative Transport Behavior of Escherichia coli O157:H7 and Salmonella enterica serovar Pullorum in Packed Bed Column Systems: Influence of Solution Chemistry and Cell Concentration. Environmental Science and Technology. 43(6):1838-1844.

Deterministic Analysis and Upscaling of Bromide Transport in a Heterogeneous Vadose Zone     - (Peer Reviewed Journal)

Segal, E., Shouse, P.J., Bradford, S.A. 2009. Deterministic Analysis and Upscaling of Bromide Transport in a Heterogeneous Vadose Zone. Vadose Zone Journal. 8(3):601-610.

Modeling the Coupled Effects of Pore Space Geometry and Velocity on Colloid Transport and Retention     - (Peer Reviewed Journal)

Bradford, S.A., Torkzaban, S., Leij, F., Simunek, J., Van Genuchten, M.T. 2009. Modeling the Coupled Effects of Pore Space Geometry and Velocity on Colloid Transport and Retention. Water Resources Research. 45:1-15.

Fate of Indicator Microorganisms Under Nutrient Management Plan Conditions     - (Peer Reviewed Journal)

Bradford, S.A., Segal, E. 2009. Fate of Indicator Microorganisms Under Nutrient Management Plan Conditions. Journal of Environmental Quality. 38:1728-1738.

Vadose Zone Modeling: Introduction and Importance     - (Review Article)

Simunek, J., Bradford, S.A. 2008. Vadose Zone Modeling: Introduction and Importance. Vadose Zone Journal. Vol 7:581-586

Cell preparation methods influence Escherichia coli D21g surface chemistry and transport in saturated sand     - (Peer Reviewed Journal)

Tazehkand, S.S., Torkzaban, S., Bradford, S.A., Walker, S. 2008. Cell preparation methods influence E.coli D21g surface chemistry and transport in saturated sand. Journal of Environmental Quality. 37:2108-2115.

Microbiological Evaluation of fecal bacterial Composition from surface water through Aquifer Sand Material - (Peer Reviewed Journal)

Ibekwe, A.M., Lyon, S.R. 2008. Microbiological Evaluation of fecal bacterial Composition from surface water through Aquifer Sand Material. Journal of Water and Health. Vol 6 No 3:411-421

Transport and Fate of Bacteria in Porous Media: Coupled Effects of Chemical Conditions and Pore Space Geometry     - (Peer Reviewed Journal)

Torkzaban, S., Tazehkand, S.S., Walker, S.L., Bradford, S.A. 2008. Transport and Fate of Bacteria in Porous Media: Coupled Effects of Chemical Conditions and Pore Space Geometry. Water Resources Research. Vol 44:1-12

Colloid Transport in Unsaturated Porous Media: The Role of Water Content and Ionic Strength on Particle Straining     - (Peer Reviewed Journal)

Torksaban, S., Bradford, S.A., Van Genuchten, M.T., Walker, S.L. 2007. Colloid Transport in Unsaturated Porous Media: The Role of Water Content and Ionic Strength on Particle Straining. Journal of Contaminant Hydrology. Vol 96:113-127

Reuse of concentrated animal feed operation wastewater on agricultural lands - (Peer Reviewed Journal)

Bradford, S.A., Segal, E., Zhang, W., Wang, Q. 2008. Reuse of concentrated animal feed operation wastewater on agricultural lands. Journal of Environmental Quality. 37:S97-S115.

Resolving the coupled effects of hydrodynamics and DLVO forces on colloid attachment in porous media - (Peer Reviewed Journal)

Torkzaban, S., Bradford, S.A., Walker, S.L. 2007. Resolving the coupled effects of hydrodynamics and DLVO forces on colloid attachment in porous media. Langmuir. Vol 23:9652-9660

Colloid Transport and Retention in Unsaturated Porous Media: A Review of Interface-Collector, and Pore-Scale Processes and Models     - (Peer Reviewed Journal)

Bradford, S.A., Torkzaban, S. 2008. Colloid Transport and Retention in Unsaturated Porous Media: A Review of Interface-Collector, and Pore-Scale Processes and Models. Vadose Zone Journal. Vol 7:667-681

Integration of Hard and Soft Data to Characterize Field-Scale Hydraulic Properties for Flow and Transport Studies     - (Peer Reviewed Journal)

Segal, E., Bradford, S.A., Shouse, P.J., Lazarovitch, N., Corwin, D.L. 2008. Integration of Hard and Soft Data to Characterize Field-Scale Hydraulic Properties for Flow and Transport Studies. Vadose Zone Journal. 7(3):878-889.

CHARACTERIZATION OF DEVELOPING MICROBIAL COMMUNITIES IN MOUNT ST. HELEN'S PYROCLASTIC SUBSTRATE     - (Peer Reviewed Journal)

Ibekwe, A.M., Kennedy, A.C., Halvorson, J.J., Yang, C. 2007. Characterization of developing microbial communities in Mount St. Helen's pyroclastic substrate. Soil Biology and Biochemistry. Vol 39:2496-2507

BACTERIA TRANSPORT AND DEPOSITION UNDER UNSATURATED FLOW CONDITIONS: THE ROLE OF WATER CONTENT AND BACTERIA SURFACE HYDROPHOBICITY     - (Peer Reviewed Journal)

Gargiulo, G., Bradford, S.A., Simunek, J., Ustohal, P., Vereecken, H., Klumpp, E. 2008. Bacteria transport and deposition under unsaturated flow conditions: the role of water content and bacteria surface hydrophobicity. Vadose Zone Journal. Vol 7(2):406-419

Coupling of physical and chemical mechanisms of colloid straining in saturated porous media     - (Peer Reviewed Journal)

Bradford, S.A., Torkzaban2, S., Walker, S.L. 2007. Coupling of physical and chemical mechanisms of colloid straining in saturated porous media. Water Resources Research. Vol 41:3012-3024

A Stochastic Model for Colloid Transport and Deposition     - (Peer Reviewed Journal)

Bradford, S.A., Toride, N. 2007. A stochastic model for colloid transport and deposition. Journal of Environmental Quality. Vol 36:1346-1356

BACTERIA TRANSPORT AND DEPOSITION UNDER UNSATURATED CONDITIONS: THE ROLE OF THE MATRIX GRAIN SIZE AND THE BACTERIA SURFACE PROTEIN     - (Peer Reviewed Journal)

Gargiulo, G., Bradford, S.A., Simunek, J., Ustohal, P., Vereecken, H., Klumpp, E. 2007. Bacteria transport and deposition under unsaturated conditions: the role of the matrix grain size and the bacteria surface protein. Journal of Contaminant Hydrology. Vol 92:255-273

SURVIVAL OF ESCHERICHIA COLI O157:H7 IN SOIL AND ON LETTUCE AFTER FUMIGATION     - (Peer Reviewed Journal)

Ibekwe, A.M., Grieve, C.M., Yang, C. 2007. Survival of Escherichia Coli O157:H7 in soil and on lettuce after fumigation. Canadian Journal of Microbiology. Vol. 53:623-635

TRANSPORT AND DEPOSITION OF METABOLICALLY ACTIVE AND STATIONARY PHASE DEINOCOCCUS RADIODURANS IN UNSATURATED POROUS MEDIA     - (Peer Reviewed Journal)

Gargiulo, G., Bradford, S.A., Simunek, J., Vereecken, H., Klumpp, E. 2007. Transport and deposition of metabolically active and stationary phase deinococcus radiodurans in unsaturated porous media. Environmental Science and Technology. Vol 41:1265-1271

Fate of E. coli O157:H7 in the Environment - (Abstract Only)

Ibekwe, A.M. 2006. Fate of E. coli O157:H7 in the Environment. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. Paper No. 88-4

Bacterial Composition in Urban Watershed Creeks Impacted by Contaminants from different Sources. - (Abstract Only)

Ibekwe, A.M., Lyon, S.R. 2006. Bacterial Composition in Urban Watershed Creeks Impacted by Contaminants from different Sources. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. Paper No. 186-2

Soil Diversity Along a Forest Profile Using PCR-DGGE - (Abstract Only)

Thompson, M., Moss, E., Ibekwe, A.M., Senwo, Z., Taylor, R. 2006. Soil Diversity Along a Forest Profile Using PCR-DGGE. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. CD-ROM

Evaluation of the Effects of Tillage on Selected Soil Enzyme Activities and Soil Microbial Diversity - (Abstract Only)

Durant, M., Ankumah, R., Corley, M., Ibekwe, A.M., Mcintyre, S.C. 2006. Evaluation of the Effects of Tillage on Selected Soil Enzyme Activities and Soil Microbial Diversity. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. CD-ROM

Evaluation of the Effect of Arsenic Contamination on Selected Soil Enzyme Activities and Microbial Diversity - (Abstract Only)

Garuba, I., Ankumah, R., Ibekwe, A.M., Corley, M., Egnin, M. 2006. Evaluation of the Effect of Arsenic Contamination on Selected Soil Enzyme Activities and Microbial Diversity. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. CD-ROM.

Transport and Straining of E. coli O157:H7 in Saturated Porous Media - (Abstract Only)

Bradford, S.A., Simunek, J., Walker, S.L. 2006. Transport and Straining of E. coli O157:H7 in Saturated Porous Media. American Society of Agronomy Meetings in Indianapolis, IN Nov 12-16, 2006. Paper No. 277-5

Transport of Latex Particles in Variably Saturated Heterogeneous Media - (Abstract Only)

Han, J., Bradford, S.A., Jin, Y. 2006. Transport of Latex Particles in Variably Saturated Heterogeneous Media. American Society of Agronomy Meetings in Indianapolis, IN Nov 12-16, 2006. Paper No. 182-16

Transport and Fate of Nitrate and Pathogens at a Dairy Lagoon Water Application Site - (Abstract Only)

Segal, E., Bradford, S.A., Lazarovitch, N., Shouse, P.J. 2006. Transport and Fate of Nitrate and Pathogens at a Dairy Lagoon Water Application Site. American Society of Agronomy Meetings in Indianapolis, IN Nov 12-16, 2006. CD-ROM.

Quantification of survival of Escherichia coli 0157:H7 on Plants affected by Contaminated Irrigation Water - (Peer Reviewed Journal)

Ibekwe, A.M., Shouse, P.J., Grieve, C.M. 2006. Quantification of survival of Escherichia Coli 0157:H7 on Plants affected by Contaminated Irrigation Water. Engineering in Life Sciences. Vol. 6:566-572

TRANSPORT AND STRAINING OF E. COLI O157:H7 IN SATURATED POROUS MEDIA     - (Peer Reviewed Journal)

Bradford, S.A., Simunek, J., Walker, S.L. 2006. Transport and straining of E. coli O157:H7 in saturated porous media. Water Resources Research. VOL 42, W12S12

SIGNIFICANCE OF STRAINING IN COLLOID DEPOSITION: EVIDENCE AND IMPLICATIONS     - (Peer Reviewed Journal)

Bradford, S.A., Simunek, J., Bettahar, M., Van Genuchten, M.T., Yates, S.R. 2006. Significance of straining in colloid deposition: evidence and implications. Water Resources Research. VOL 42, W12S15

IMPACT OF PLANT DENSITY AND MICROBIAL COMPOSITION ON WATER QUALITY FROM A FREE WATER SURFACE CONSTRUCTED WETLAND     - (Peer Reviewed Journal)

Ibekwe, A.M., Lyon, S.R., Leddy, M., Jacobson-Meyers, M. 2007. Impact of plant density and microbial composition on water quality from a free water surface constructed wetland. Journal of Applied Microbiology. 102:921-936

IMPACT OF PLANT DENSITY AND MICROBIAL COMPOSITION ON WATER QUALITY FROM A FREE WATER SURFACE CONSTRUCTED WETLAND - (Abstract Only)

Ibekwe, A.M. 2006. Impact of plant density and microbial composition on water quality from a free water surface constructed wetland. American Society of Agronomy Abstracts, annual meeting, Salt Lake City, UT. [CD-ROM]

PERSISTENCE OF ESCHERICHIA COLI O157:H7 IN SOIL AFTER FUMIGATIONS - (Abstract Only)

Ibekwe, A.M., Grieve, C.M., Yang, C.-. 2006. Persistence of escherichia coli O157:H7 in soil after fumigations. [CD-ROM] American Society for Microbiology Annual Meeting. Orlando, FL.

COUPLING OF PHYSICAL AND CHEMICAL MECHANISMS OF COLLOID DEPOSITION - (Abstract Only)

Bradford, S.A., Torkzaban, S., Walker, S. 2006. Coupling of physical and chemical mechanisms of colloid deposition. Annual Colloid and Surface Science Symposium. Paper No. 63.

COLLOID TRANSPORT IN UNSATURATED POROUS MEDIA: THE ROLE OF WATER CONTENT AND IONIC STRENGTH ON PARTICLE STRAINING - (Abstract Only)

Torkzaban, S., Bradford, S.A., Walker, S. 2006. Colloid transport in unsaturated porous media: the role of water content and ionic strength on particle straining. Annual Colloid and Surface Science Symposium. Paper No. 21.

A NEW PARADIGM FOR PATHOGEN TRANSPORT AND DEPOSITION IN POROUS MEDIA: THE ROLE OF PORE STRUCTURE AND COLLOID-COLLOID INTERACTIONS - (Abstract Only)

Walker, S., Bradford, S.A. 2006. A new paradigm for pathogen transport and deposition in porous media: the role of pore structure and colloid-colloid interactions. Annual Colloid and Surface Science Symposium. Paper No. 14.

TRANSPORT OF COLIPHAGE IN THE PRESENCE AND ABSENCE OF MANURE SUSPENSION     - (Peer Reviewed Journal)

Bradford, S.A., Tadassa, Y.F., Jin, Y. 2006. Transport of coliphage in the presence and absence of manure suspension. Environmental Science and Technology. VOL 35:1692-1701

COLLOID-FACILITATED SOLUTE TRANSPORT IN VARIABLY-SATURATED POROUS MEDIA: NUMERICAL MODEL AND EXPERIMENTAL VERIFICATION     - (Peer Reviewed Journal)

Simunek, J., He, C., Pang, L., Bradford, S.A. 2006. Colloid-facilitated solute transport in variably-saturated porous media: numerical model and experimental verification. Vadose Zone Journal. Vol 5:1035-1047

REAL-TIME PCR QUANTIFICATION OF PERSISTENCE OF ESCHERICHIA COLI O157:H7 IN SOIL IMPACTED BY FUMIGATIONS - (Abstract Only)

Ibekwe, A.M., Grieve, C.M. 2006. Real-time pcr quantification of persistence of escherichia coli o157:h7 in soil impacted by fumigations. (Abstract) CD-ROM. Annual Quantitative Polymerase Chain Reaction (PCR) Meeting.

INTERFACIAL AREA ESTIMATES FOR A NAPL-WATER SYSTEM AND THEIR EFFECT ON PREDICTING GROUNDWATER REMEDIATION EFFICIENCY - (Abstract Only)

Wildenschild, D., Bradford, S.A. 2005. Interfacial area estimates for a napl-water system and their effect on predicting groundwater remediation efficiency. EOS Transactions, Fall Meeting. 86:H33A-1372. American Geophysical Union.

RESPONSE OF MATTHIOLA INCANA TO IRRIGATION WITH SALINE WASTEWATERS - (Peer Reviewed Journal)

Grieve, C.M., Poss, J.A., Amrhein, C. 2006. Response of Matthiola incana to Irrigation with Saline Wastewaters. HortScience. 41:119-123.

SIGNIFICANCE OF STRAINING IN COLLOID DEPOSITION: EVIDENCE AND IMPLICATIONS - (Abstract Only)

Bradford, S.A., Simunek, J., Bettahar, M., Van Genuchten, M.T., Yates, S.R. 2005. Significance of straining in colloid deposition: evidence and implications. Geological Society of America Meeting. Paper No. 243-4

TRANSPORT OF GIARDIA AND MANURE SUSPENSIONS IN SATURATED POROUS MEDIA     - (Peer Reviewed Journal)

Bradford, S.A., Tadassa, Y.F., Pachepsky, Y.A. 2006. Transport of giardia and manure suspensions in saturated porous media. Journal of Environmental Quality. 35:749-757.

MODELING OF COLLOID TRANSPORT AND DEPOSITION IN POROUS MEDIA - (Proceedings)

Bradford, S.A., Van Genuchten, M.T., Simunek, J. 2005. Modeling of colloid transport and deposition in porous media. Proceedings of the workshop on HYDRUS Applications, Oct. 19, 2005, Utrecht Univ., The Netherlands. p. 1-5.

IMPACT OF PLANT SPECIES AND DENSITY ON MICROBIAL COMMUNITY COMPOSITION IN A FREE WATER SURFACE CONSTRUCTED WETLAND - (Abstract Only)

Ibekwe, A.M., Leddy, M., Lyon, S.R., Jacobson, M. 2005. Impact of plant species and density on microbial community composition in a free water surface constructed wetland. American Society for Microbiology Annual Meeting. CD-ROM, Atlanta, GA.

DETERMINING RATE OF CHANGE IN CUCUMBER RHIZOSPHERE MICROBIAL COMMUNITY COMPOSITION IN RESPONSE TO SOIL PH, SALINITY, AND BORON     - (Proceedings)

Ibekwe, A.M., Grieve, C.M., Poss, J.A., Grattan, S., Suarez, D.L. 2005. Determining rate of change in cucumber rhizosphere microbial community composition in response to soil pH, salinity, and boron. In: Proceedings of the International Salinity Forum, Managing Saline Soils and Water: Science, Technology, and Soil Issues. April 25-27, 2005. Riverside, CA pp:77-80.

PERSISTENCE OF ESCHERICHIA COLI O157:H7 IN RHIZOSPHERE AND NON-RHIZOSPHERE SOILS AFTER FUMIGATION - (Abstract Only)

Ibekwe, A.M. 2005. Persistence of Escherichia coli O157:H7 in rhizosphere and non-rhizosphere soils after fumigation. International Union of Microbiological Societies Proceedings/Abstracts. Page 18.

COLLOID-FACILITATED TRANSPORT IN VARIABLY SATURATED POROUS MEDIA: NUMERICAL MODELING AND EXPERIMENTAL VERIFICATION. - (Abstract Only)

He, C., Simunek, J., Pang, L., Bradford, S.A. 2005. Colloid-facilitated transport in variably saturated porous media: numerical modeling and experimental verification. [CD-ROM] Agronomy Abstracts. SSSA Annual Meeting. Salt Lake City, UT.

CONCENTRATION DEPENDENT COLLOID TRANSPORT IN SATURATED POROUS MEDIA - (Abstract Only)

Bradford, S.A. 2005. Concentration dependent colloid transport in saturated porous media. American Chemical Society Abstracts, San Diego, CA. 229:U646-U647.