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                    U.S. DEPARTMENT OF AGRICULTURE
 Food Animal Metabolism Research: Fargo, ND
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ARS Home Plains Area Fargo, North Dakota Edward T. Schafer Agricultural Research Center Food Animal Metabolism Research People & Locations







David J Smith
                        Food Animal Metabolism Research

                        




                        
                        Supervisory Research Physiologist (Animals)
                        Phone: (701) 239-1238
                        
                        
                        Fax: (701) 239-1430(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsDetection and Fate of Environmental Chemical and Biological Residues and their Impact on the Food Supply
                                                    In-House Appropriated
                                                                    (D)Accession Number: 438774PFAS Fate and Remediation in Agricultural systems: Developing Conservation Assistance for Landowners
                                                    Interagency Reimbursable Agreement
                                                                    (I)Accession Number: 444070The Soil Health Nexus: Biochar Use for Improving Soil Health and Limiting PFAS Movement in Soils
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 445023Effects of Hemp Seed Meal on Physiologic, Nutritional, and Residue Chemistry Endpoints in Feedlot Cattle
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 438497**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Comparison of immunoassay and LC-tandem mass spectrometry analyses of ractopamine in hog oral fluid
                                                        

- (Peer Reviewed Journal)Shelver, W.L., Mcgarvey, A.M., Holthusen, J.E., Young, J.M., Byrd, C.J., Smith, D.J. 2024. Comparison of immunoassay and LC-tandem mass spectrometry analyses of ractopamine in hog oral fluid. Food additives & contaminants. Part A: Chemistry, analysis, control, exposure & risk assessment. 41:162-174. https://doi.org/10.1080/19440049.2023.2300738.Synthesis and spectroscopic characterization of 13C4-labelled 4-cyano-2-oxobutyraldehyde semicarbazone: A metabolite of nitrofurazone
                                                        

- (Peer Reviewed Journal)Singh, A., Smith, D.J., Strahan, G.D., Lehotay, S.J. 2023. Synthesis and spectroscopic characterization of 13C4-labelled 4-cyano-2-oxobutyraldehyde semicarbazone: A metabolite of nitrofurazone. Journal of Labelled Compounds and Radiopharmaceuticals. 67:18-24. https://doi.org/10.1002/jlcr.4077.Facile synthesis of 14C-nitrofurazone from 14C-urea
                                                        

- (Peer Reviewed Journal)Singh, A., Smith, D.J. 2023. Facile synthesis of 14C-nitrofurazone from 14C-urea. Journal of Labelled Compounds and Radiopharmaceuticals. https://doi.org/10.1002/jlcr.4068.A blood-based ante-mortem method for estimating PFOS in beef from contaminated dairy cattle
                                                        

- (Peer Reviewed Journal)Johnston, J.J., Ebel, E., Williams, M., Esteban, E., Lupton, S.J., Scholljegerdes, E., Ivey, S., Powell, M., Smith, D.J. 2023. A blood-based ante-mortem method for estimating PFOS in beef from contaminated dairy cattle. ACS Agricultural Science and Technology. https://doi.org/10.1021/acsagscitech.3c00102?urlappend=%3Fref%3DPDF&jav=VoR&rel=cite-as.The effects of feeding hempseed cake on pancreatic and jejunal digestive enzymatic activity in finishing heifers
                                                        

- (Peer Reviewed Journal)Mia, Md GK., Winders, T.M., Serum, E.M., Amat, S., Neville, B.W., Dahlen, C.R., Smith, D.J., Swanson, K.C. 2023. The effects of feeding hempseed cake on pancreatic and jejunal digestive enzymatic activity in finishing heifers. Canadian Journal of Animal Science. https://doi.org/10.1139/cjas-2023-0033.Feeding hempseed cake alters the bovine gut, respiratory and reproductive microbiota
                                                        

- (Peer Reviewed Journal)Winders, T.M., Holman, D.B., Schmidt, K.N., Luecke, S.M., Smith, D.J., Neville, B.W., Dahlen, C.R., Swanson, K.C., Amat, S. 2023. Feeding hempseed cake alters the bovine gut, respiratory and reproductive microbiota. Scientific Reports. https://doi.org/10.1038/s41598-023-35241-1.Lipid oxidation and volatile compounds of almonds as affected by gaseous chlorine dioxide treatment to reduce salmonella populations

- (Peer Reviewed Journal)Wang, W., Smith, D.J., Lew, H.N., Jin, Z.T., Mitchell, A., Fan, X. 2023. Lipid oxidation and volatile compounds of almonds as affected by gaseous chlorine dioxide treatment to reduce salmonella populations. Journal of Agricultural and Food Chemistry. 71(130):5345-5357.Excretion and residue depletion of cannabinoids in beef cattle fed hempseed cake for 111 days
                                                        

- (Peer Reviewed Journal)Smith, D.J., Serum, E.M., Winders, T.M., Neville, B.W., Herges, G.R., Dahlen, C.R., Swanson, K.C. 2023. Excretion and residue depletion of cannabinoids in beef cattle fed hempseed cake for 111 days. Food Additives & Contaminants. 40(4):552-565. https://doi.org/10.1080/19440049.2023.2187645.Plasma and skin per- and polyfluoroalkyl substance (PFAS) levels in dairy cattle with lifetime exposures to PFAS contaminated drinking water and feed
                                                        

- (Peer Reviewed Journal)Lupton, S.J., Smith, D.J., Scholljegerdes, E., Ivey, S., Young, W., Genualdi, S., Dejager, L., Snyder, A.W., Esteban, E., Johnston, J. 2022. Plasma and skin per- and polyfluoroalkyl substance (PFAS) levels in dairy cattle with lifetime exposures to PFAS contaminated drinking water and feed. Journal of Agricultural and Food Chemistry. 70:15945-15954. https://doi.org/10.1021/acs.jafc.2c06620?urlappend=%3Fref%3DPDF&jav=VoR&rel=cite-as.Fate and disposition of pfas in broiler chickens during a 6-week exposure period

- (Abstract Only)Snyder, A.W., Smith, D.J., Lupton, S.J. 2022. Fate and disposition of pfas in broiler chickens during a 6-week exposure period. International Symposium on Halogenated Environmental Organic Pollutants. Abstract.Rapid quantification of cannabinoids in beef tissues and bodily fluids using direct-delivery electrospray ionization mass spectrometry
                                                        

- (Peer Reviewed Journal)Chakrabarty, S., Serum, E.M., Winders, T.M., Neville, B.W., Kleinhenz, M.D., Magnin, G., Coetzee, J.F., Dahlen, C.R., Swanson, K.C., Smith, D.J. 2022. Rapid quantification of cannabinoids in beef tissues and bodily fluids using direct-delivery electrospray ionization mass spectrometry. Food Additives & Contaminants. https://doi.org/10.1080/19440049.2022.2107711.Use of a rapid tandem mass spectrometry multi-residue method to analyze veterinary drugs and their metabolites in hog saliva and cattle urine

- (Abstract Only)Shelver, W.L., Chakrabarty, S., Smith, D.J. 2022. Use of a rapid tandem mass spectrometry multi-residue method to analyze veterinary drugs and their metabolites in hog saliva and cattle urine. International Chemical Congress of Pacific Basin Meeting. Abstract.Perfluoroalkyl substance (PFAS) concentrations in plasma and skin of dairy cattle after life-time exposures to contaminated water and feed: Associated trends with age and lactation

- (Abstract Only)Lupton, S.J., Smith, D.J., Scholljegerds, E., Ivey, S., Snyder, A.W., Esteban, E., Johnston, J.J. 2022. Perfluoroalkyl substance (PFAS) concentrations in plasma and skin of dairy cattle after life-time exposures to contaminated water and feed: Associated trends with age and lactation. 3rd National PFAS Meeting. Abstract.Fate and disposition of PFAS in broiler chickens during a 6 week exposure period

- (Abstract Only)Snyder, A.W., Smith, D.J., Lupton, S.J. 2022. Fate and disposition of PFAS in broiler chickens during a 6 week exposure period. 3rd National PFAS Meeting. Abstract.The impact of feeding hemp byproduct on carcass charcteristics

- (Abstract Only)Gundersen, K., Swanson, K., Dahlen, C., Winders, T., Serum, E.M., Smith, D.J., Neville, B.W., Berg, E.P. 2022. The impact of feeding hemp byproduct on carcass charcteristics. 2022 Reciprocal Meat Conference. Abstract.Influence of hempseed cake inclusion on growth performance, carcass characteristics, feeding behavior, and blood parameters in finishing heifers
                                                        

- (Peer Reviewed Journal)Winders, T.M., Serum, E.M., Smith, D.J., Neville, B.W., Mia, G.K., Amat, S., Dahlen, C.R., Swanson, K.C. 2022. Influence of hempseed cake inclusion on growth performance, carcass characteristics, feeding behavior, and blood parameters in finishing heifers. Journal of Animal Science. 100:1-8. https://doi.org/10.1093/jas/skac159.A rapid screening method for ß-adrenergic agonist residues incurred in animal urine using direct analysis in real time mass spectrometry (DART-MS)

- (Abstract Only)Shelver, W.L., Chakrabarty, S., Smith, D.J. 2022. A rapid screening method for ß-adrenergic agonist residues incurred in animal urine using direct analysis in real time mass spectrometry (DART-MS). International Association for Food Protection. Abstract.A rapid screening method for ß-adrenergic agonist residues incurred in animal urine using direct analysis in real time mass spectrometry (DART-MS)
                                                        

- (Peer Reviewed Journal)Shelver, W.L., Chakrabarty, S., Smith, D.J. 2021. A rapid screening method for ß-adrenergic agonist residues incurred in animal urine using direct analysis in real time mass spectrometry (DART-MS). ACS Food Science and Technology. 2:195-205. https://doi.org/10.1021/acsfoodscitech.1c00427.Evaluation of rapid and standard tandem mass spectrometric methods to analyze veterinary drugs and their metabolites in hog oral fluid and cattle urine
                                                        

- (Peer Reviewed Journal)Shelver, W.L., Chakrabarty, S., Young, J.M., Byrd, C.J., Smith, D.J. 2021. Evaluation of rapid and standard tandem mass spectrometric methods to analyze veterinary drugs and their metabolites in hog oral fluid and cattle urine. Food Additives & Contaminants. 39:462-474. https://doi.org/10.1080/19440049.2021.2006801.The fate of sodium chlorite in simulated gastric and intestinal fluids and residues of chlorate in broiler chickens after oral administration of sodium chlorite
                                                        

- (Peer Reviewed Journal)Smith, D.J., Scapanski, A.R., Herges, G.R. 2021. The fate of sodium chlorite in simulated gastric and intestinal fluids and residues of chlorate in broiler chickens after oral administration of sodium chlorite. Food Additives & Contaminants. 39(2):242-255. https://doi.org/10.1080/19440049.2021.1992513.Perfluorooctanoic acid (PFOA) transport in soil and absorption and distribution in alfalfa (Medicago sativa)
                                                        

- (Peer Reviewed Journal)Lupton, S.J., Casey, F., Smith, D.J., Hakk, H. 2021. Perfluorooctanoic acid (PFOA) transport in soil and absorption and distribution in alfalfa (Medicago sativa). Journal of Food Protection. 85:164-172. https://doi.org/10.4315/JFP-21-276.Rapid quantification of cannabinoids in bovine plasma using electrospray ionization mass spectrometry sans LC column

- (Abstract Only)Chakrabarty, S., Courneya, I.T., Winders, T.M., Serum, E.M., Swanson, K.C., Dahlen, C.R., Kleinhenz, M.D., Coetzee, J.F., Magnin, G., Smith, D.J. 2021. Rapid quantification of cannabinoids in bovine plasma using electrospray ionization mass spectrometry sans LC column. 2022 Reciprocal Meat Conference. Abstract.Plasma cannabinoid concentrations determined from heifers fed hempseed cake in finishing diets by rapid screening with mass spectrometry
                                                        

- (Abstract Only)Serum, E.M., Chakrabarty, S., Winders, T.M., Neville, B.W., Swanson, K.C., Smith, D.J. 2021. Plasma cannabinoid concentrations determined from heifers fed hempseed cake in finishing diets by rapid screening with mass spectrometry. Meeting Abstract. https://doi.org/10.26226/morressier.60dc99f4e537565438d6c0e4.Perfluorooctanoic acid (PFOA) uptake by alfalfa (Medicago sativa)

- (Abstract Only)Lupton, S.J., Hakk, H., Casey, F., Smith, D.J. 2021. Perfluorooctanoic acid (PFOA) uptake by alfalfa (Medicago sativa). North American Chemical Residue Workshop. Abstract.Electrospray ionization mass spectrometry sans LC column: A rapid screening method for quantification of chemicals in animal tissues and body fluids

- (Abstract Only)Chakrabarty, S., Shelver, W.L., Dahlen, C.R., Smith, D.J. 2021. Electrospray ionization mass spectrometry sans LC column: A rapid screening method for quantification of chemicals in animal tissues and body fluids. Journal of Association of Official Analytical Chemists International. Abstract.Evaluation of hempseed cake on cattle performance, carcass characteristics and feeding behavior in finishing diets

- (Abstract Only)Winders, T.M., Serum, E.M., Smith, D.J., Neville, B.W., Mia, M.K., Amat, S., Dahlen, C.R., Swanson, K. 2021. Evaluation of hempseed cake on cattle performance, carcass characteristics and feeding behavior in finishing diets. American Society of Animal Science Annual Meeting. Abstract.Evaluation of hempseed cake on cattle performance, carcass characteristics and feeding behavior in finishing diets

- (Abstract Only)Winders, T.M., Serum, E.M., Smith, D.J., Neville, B.W., Mia, M.K., Amat, S., Dahlen, C.R., Swanson, K.C. 2021. Evaluation of hempseed cake on cattle performance, carcass characteristics and feeding behavior in finishing diets. Proceeding of Plains Nutrition Council Symposium. Abstract.The sporicidal activity of chlorine dioxide gas on Paenibacillus larvae spores
                                                        

- (Peer Reviewed Journal)Mahdi, O.S., Greenlee, K.J., Rose, E., Rinehart, J.P., Smith, D.J. 2021. The sporicidal activity of chlorine dioxide gas on Paenibacillus larvae spores. Journal of Apicultural Research. https://doi.org/10.1080/00218839.2021.1920761.Electrospray ionization rapid screening (ESI-RS) sans LC column: A sensitive method for detection and quantification of chemicals in animal tissues and urine
                                                        

- (Peer Reviewed Journal)Chakrabarty, S., Shelver, W.L., Smith, D.J. 2020. Electrospray ionization rapid screening (ESI-RS) sans LC column: A sensitive method for detection and quantification of chemicals in animal tissues and urine. Rapid Communications in Mass Spectrometry. 34:8876. https://doi.org/10.1002/rcm.8876.Distribution and chemical fate of [36Cl]chlorine dioxide gas on avocados, eggs, onions, and sweet potatoes
                                                        

- (Peer Reviewed Journal)Smith, D.J., Scapanski, A.R. 2020. Distribution and chemical fate of [36Cl]chlorine dioxide gas on avocados, eggs, onions, and sweet potatoes. Journal of Agricultural and Food Chemistry. 68:5000-5008. https://doi.org/10.1021/acs.jafc.0c01466.Electrospray ionization inlet tandem mass spectrometry: A hyphenated method for the sensitive determination of chemicals in animal tissues and body fluids
                                                        

- (Peer Reviewed Journal)Chakrabarty, S., Shelver, W.L., Smith, D.J. 2021. Electrospray ionization inlet tandem mass spectrometry: A hyphenated method for the sensitive determination of chemicals in animal tissues and body fluids. Journal of American Society for Mass Spectrometry. 32:14-20. https://doi.org/10.1021/jasms.9b00114.Detection and quantification of residues in sheep exposed to trace levels of dietary zilpaterol HCl
                                                        

- (Peer Reviewed Journal)Smith, D.J., Shelver, W.L., Chakrabarty, S., Hoffman, T.W. 2019. Detection and quantification of residues in sheep exposed to trace levels of dietary zilpaterol HCl. Food Additives & Contaminants: Part A. 36(9):1289-1301. https://doi.org/10.1080/19440049.2019.1627005.Gene cluster conservation identifies melanin and perylenequinone biosynthesis pathways in multiple plant pathogenic fungi
                                                        

- (Peer Reviewed Journal)Ebert, M.K., Spanner, R.E., De Jonge, R., Smith, D.J., Holthusen, J.E., Secor, G.A., Thomma, B.P., Bolton, M.D. 2019. Gene cluster conservation identifies melanin and perylenequinone biosynthesis pathways in multiple plant pathogenic fungi. Environmental Microbiology. 21(3):913-927. https://doi.org/10.1111/1462-2920.14475.Atmospheric solid analysis probe and modified desorption electrospray ionization mass spectrometry for rapid screening and semi-quantification of zilpaterol in urine and tissues of sheep
                                                        

- (Peer Reviewed Journal)Chakrabarty, S., Shelver, W.L., Hakk, H., Smith, D.J. 2018. Atmospheric solid analysis probe and modified desorption electrospray ionization mass spectrometry for rapid screening and semi-quantification of zilpaterol in urine and tissues of sheep. Journal of Agricultural and Food Chemistry. 66(41):10871-10880. https://doi.org/10.1021/acs.jafc.8b03925.Distribution of chemical residues among fat, skim, curd, whey, and protein fractions in fortified, pasteurized milk
                                                        

- (Peer Reviewed Journal)Shelver, W.L., Lupton, S.J., Shappell, N.W., Smith, D.J., Hakk, H. 2018. Distribution of chemical residues among fat, skim, curd, whey, and protein fractions in fortified, pasteurized milk. ACS Omega. 3(8):8697-8708. https://doi.org/10.1021/acsomega.8b00762.Urinary excretion and tissue residues of zilpaterol HCl after trace-level exposures

- (Abstract Only)Development of an immunochromatographic assay for the ß-adrenergic agonist feed additive zilpaterol
                                                        

- (Peer Reviewed Journal)Shelver, W.L., Smith, D.J. 2018. Development of an immunochromatographic assay for the ß-adrenergic agonist feed additive zilpaterol. Food Additives & Contaminants: Part A. 35(8):1519-1529. https://doi.org/10.1080/19440049.2018.1463568.Determination of zilpaterol in sheep urine and tissues using immunochromatographic assay

- (Abstract Only)Rapid semi-quantification of zilpaterol from biological matrices using ASAP and DESI-like MS from a commercial heated electrospray ionization probe

- (Abstract Only)Chloroxyanion residue on seeds and sprouts after chlorine dioxide sanitation of alfalfa seed
                                                        

- (Peer Reviewed Journal)Smith, D.J., Herges, G.R. 2018. Chloroxyanion residue on seeds and sprouts after chlorine dioxide sanitation of alfalfa seed. Journal of Agricultural and Food Chemistry. 66(8):1974-1980. https://doi.org/10.1021/acs.jafc.7b05953.The distribution of environmental contaminants and pharmaceuticals among skim milk, milk fat, curd, whey, and milk protein fractions through milk processing

- (Abstract Only)Shelver, W.L., Lupton, S.J., Shappell, N.W., Hakk, H., Smith, D.J. 2017. The distribution of environmental contaminants and pharmaceuticals among skim milk, milk fat, curd, whey, and milk protein fractions through milk processing [abstract]. 8th International Symposium on Recent Advances in Food Analysis. Nov. 7-10, 2017. Prague, Czech Republic. Paper No. L107.Stability of sodium chlorate residues in frozen tomato and cantaloupe homogenates
                                                        

- (Peer Reviewed Journal)Smith, D.J., Herges, G.R. 2017. Stability of sodium chlorate residues in frozen tomato and cantaloupe homogenates. Journal of Agricultural and Food Chemistry. 65(30):6258-6263. doi:10.1021/acs.jafc.7b02520.Development of an immunochromatographic assay for the detection of the feed additive zilpaterol

- (Abstract Only)Shelver, W.L., Smith, D.J. 2017. Development of an immunochromatographic assay for the detection of the feed additive zilpaterol [abstract]. 54th Annual North American Chemical Residue Workshop. July 23-26, 2017. Naples, FL. p. 68.Absorption and elimination of [14C]-Dicoumarol in goats

- (Proceedings)Chakrabarty, S., Smith, D.J. 2017. Absorption and elimination of [14C]-Dicoumarol in goats. Proceedings of Western Section American Society of Animal Science. 68:188-191.Comparison of lateral flow assay, kidney inhibition swab, and liquid chromatography-tandem mass spectrometry for the detection of penicillin G residues in sow urine
                                                        

- (Peer Reviewed Journal)Shelver, W.L., Chakrabarty, S., Smith, D.J. 2017. Comparison of lateral flow assay, kidney inhibition swab, and liquid chromatography-tandem mass spectrometry for the detection of penicillin G residues in sow urine. Journal of Agricultural and Food Chemistry. 65:1778-1783. doi:10.1021/acs.jafc.6b05049.Distribution of flunixin residues in muscles of dairy cattle dosed with lipopolysaccharide or saline and treated with flunixin by intravenous or intramuscular injection
                                                        

- (Peer Reviewed Journal)Shelver, W.L., Schneider, M.J., Smith, D.J. 2016. Distribution of flunixin residues in muscles of dairy cattle dosed with lipopolysaccharide or saline and treated with flunixin by intravenous or intramuscular injection. Journal of Agricultural and Food Chemistry. 64:9697-9701. doi:10.1021/acs.jafc.6b04792.Distribution, identification, and quantification of residues after treatment of ready-to-eat salami with 36Cl-labeled or nonlabeled chlorine dioxide gas
                                                        

- (Peer Reviewed Journal)Smith, D.J., Giddings, J.M., Herges, G.R., Ernst, W. 2016. Distribution, identification, and quantification of residues after treatment of ready-to-eat salami with 36Cl-labeled or nonlabeled chlorine dioxide gas. Journal of Agricultural and Food Chemistry. 64:8454-8462.Detection of residues in urine and tissues of sheep treated with trace levels of dietary ractopamine HCl

- (Peer Reviewed Journal)Smith, D.J., Shelver, W.L., Marx, A. 2016. Detection of residues in urine and tissues of sheep treated with trace levels of dietary ractopamine HCl. Journal of Animal Science. 94:5423–5433. doi:10.2527/jas2016-0899.Urinary excretion of the ß-adrenergic feed additives ractopamine and zilpaterol in breast and lung cancer patients
                                                        

- (Peer Reviewed Journal)Cheng, T.D., Shelver, W.L., Hong, C., McCann, S.E., Davis, W., Zhang, Y., Ambrosone, C.B., Smith, D.J. 2016. Urinary excretion of the ß-adrenergic feed additives ractopamine and zilpaterol in breast and lung cancer patients. Journal of Agricultural and Food Chemistry. 64(40):7632-7639.Chemical Contamination of Red Meat

- (Book / Chapter)Smith, D.J., Kim, M. 2017. Chemical contamination of red meat. In: Schrenk, D., editor. Chemical Contaminants and Residues in Food, 2nd edition. Woodhead Publishing, Oxford. p.451-489.Detection of ractopamine in sheep urine after exposure to trace levels of dietary ractopamine

- (Abstract Only)Shelver, W.L., Marx, A.A., Mcgarvey, A.M., Smith, D.J. 2016. Detection of ractopamine in sheep urine after exposure to trace levels of dietary ractopamine [abstract]. 252nd American Chemical Society Annual Meeting. 08/21-25/2016. Philadelphia, PA. AGRO 235.Determination of penicillin G in heavy sow urine using immunochromatographic assay and microbial inhibition swab tests

- (Abstract Only)Shelver, W.L., Rahn, K.L., Mcgarvey, A.M., Holthusen, J.E., Smith, D.J. 2016. Determination of penicillin G in heavy sow urine using immunochromatographic assay and microbial inhibition swab tests [abstract]. International Association for Food Protection Annual Meeting. 07/31/2016 - 08/03/2016. St. Louis, MO. P3-89.In-vitro synthesis of drug metabolites and their screening/characterization using liquid chromatography-mass spectrometry (LC-MS)

- (Abstract Only)Chakrabarty, S., Shelver, W.L., Thompson, A.R., Smith, D.J. 2016. In-vitro synthesis of drug metabolites and their screening/characterization using liquid chromatography-mass spectrometry (LC-MS). In: Proceedings of the 64th Conference on Mass Spectrometry and Allied Topics. June 5-9, 2016. San Antonio, TX. p. 99.Screening and confirmatory analyses of flunixin in tissues and bodily fluids after intravenous or intramuscular administration to cull dairy cows with or without lipopolysaccharide challenge
                                                        

- (Peer Reviewed Journal)Shelver, W.L., Smith, D.J., Tell, L.A., Baynes, R.E., Schroeder, J.W., Riviere, J.E. 2016. Screening and confirmatory analyses of flunixin in tissues and bodily fluids after intravenous or intramuscular administration to cull dairy cows with or without lipopolysaccharide challenge. Journal of Agricultural and Food Chemistry. 64(1):336-345. doi: 10.1021/acs.jafc.5b04793.Chloroxyanion residues in cantaloupe and tomatoes after chlorine dioxide gas sanitation
                                                        

- (Peer Reviewed Journal)Smith, D.J., Ernst, W., Herges, G.R. 2015. Chloroxyanion residues in cantaloupe and tomatoes after chlorine dioxide gas sanitation. Journal of Agricultural and Food Chemistry. 63(43):9640-9649.Distribution and chemical fate of chlorine dioxide gas during sanitation of tomatoes and cantaloupe

- (Abstract Only)Smith, D.J., Giddings, J.M., Herges, G.R., Ernst, W.E. 2015. Distribution and chemical fate of chlorine dioxide gas during sanitation of tomatoes and cantaloupe [abstract]. Recent Advances in Food Analysis. p. 140.Chloroxyanion residue quantification in cantaloupes treated with chlorine dioxide gas
                                                        

- (Peer Reviewed Journal)Kaur, S., Smith, D.J., Morgan, M.T. 2015. Chloroxyanion residue quantification in cantaloupes treated with chlorine dioxide gas. Journal of Food Protection. 78(9):1708-1718.Flunixin urine residues in culled dairy cows and its relevance to food safety and environmental concerns

- (Abstract Only)Shelver, W.L., Smith, D.J., Tell, L.A., Baynes, R.E., Schroeder, J.W., Riviere, J.E. 2015. Flunixin urine residues in culled dairy cows and its relevance to food safety and environmental concerns [abstract]. 250th American Chemical Society National Meeting. AUgust 16-20, 2015. Boston, MA. AGRO 298.Excretory, secretory, and tissue residues after label and extra-label administration of flunixin meglumine to saline or lipopolysaccharide-exposed dairy cows
                                                        

- (Peer Reviewed Journal)Smith, D.J., Shelver, W.L., Baynes, R.E., Tell, L., Gehring, R., Li, M., Dutko, T., Schroeder, J.W., Herges, G.R., Riviere, J.E. 2015. Excretory, secretory, and tissue residues after label and extra-label administration of flunixin meglumine to saline or lipopolysaccharide-exposed dairy cows. Journal of Agricultural and Food Chemistry. 63:4893-4901.Continuous, low-dose oral exposure to sodium chlorate reduces fecal Enterobacteriaceae coliforms in sheep feces without inducing subclinical chlorate toxicosis
                                                        

- (Peer Reviewed Journal)Taylor, J.B., Smith, D.J. 2015. Continuous, low-dose oral exposure to sodium chlorate reduces fecal generic Enterobacteriaceae coliforms in sheep feces without inducing subclinical chlorate toxicosis. Journal of Animal Science. 93:1942-1951.Determination of flunixin in culled dairy cows using screening assays

- (Abstract Only)Shelver, W.L., Smith, D.J., Schroeder, J.W. 2015. Determination of flunixin in culled dairy cows using screening assays [abstract]. International Association for Food Protection Annual Meeting. July 25-28, 2015. Portland, OR. P2-61.Distribution and chemical fate of 36Cl-chlorine dioxide gas during the fumigation of tomatoes and cantaloupe
                                                        

- (Peer Reviewed Journal)Smith, D.J., Ernst, W., Giddings, J.M. 2014. Distribution and chemical fate of 36Cl-chlorine dioxide gas during the fumigation of tomatoes and cantaloupe. Journal of Agricultural and Food Chemistry. 62:11756-11766.Complete NMR characterization of zilpaterol

- (Abstract Only)Svendsen, S.A., Hakk, H., Smith, D.J. 2014. Complete NMR characterization of zilpaterol [abstract]. Undergraduate Research in the Molecular Sciences 2014.  Moorhead, MN. October 3-4, 2014. Abstract No. 31.Depletion of penicillin G residues in heavy sows after intramuscular injection. Part II: Application of kidney inhibition swab tests
                                                        

- (Peer Reviewed Journal)Shelver, W.L., Lupton, S.J., Newman, D.J., Larsen, S., Smith, D.J. 2014. Depletion of penicillin G residues in heavy sows after intramuscular injection. Part II: Application of kidney inhibition swab tests. Journal of Agricultural and Food Chemistry. 62(30):7586-7592.Depletion of penicillin G residues in heavy sows after intramuscular injection. Part I: Tissue residue depletion
                                                        

- (Peer Reviewed Journal)Lupton, S.J., Shelver, W.L., Newman, D.J., Larsen, S., Smith, D.J. 2014. Depletion of penicillin G residues in heavy sows after intramuscular injection. Part I: Tissue residue depletion. Journal of Agricultural and Food Chemistry. 62(30):7577-7585.Development of a physiologically based pharmacokinetic model for flunixin in cattle (Bos taurus)
                                                        

- (Peer Reviewed Journal)Leavens, T.L., Tell, L.A., Kissell, L.W., Smith, G., Smith, D.J., Wagner, S., Shelver, W.L., Huali, W., Baynes, R.E., Riviere, J.E. 2014. Development of a physiologically based pharmacokinetic model for flunixin in cattle (Bos taurus). Food Additives & Contaminants. Part A. 31(9):1506-1521.Distribution and excretion of perfluorooctane sulfonate (PFOS) in beef cattle (Bos taurus)
                                                        

- (Peer Reviewed Journal)Lupton, S.J., Huwe, J.K., Smith, D.J., Dearfield, K.L., Johnston, J.J. 2014. Distribution and excretion of perfluorooctane sulfonate (PFOS) in beef cattle (Bos taurus). Journal of Agricultural and Food Chemistry. 62(5):1167-1173.Effect of intravenous or oral sodium chlorate administration on the fecal shedding of Escherichia coli in sheep
                                                        

- (Peer Reviewed Journal)Smith, D.J., Taylor, J.B., West, M.S., Herges, G.R. 2013. Effect of intravenous or oral sodium chlorate administration on the fecal shedding of Escherichia coli in sheep. Journal of Animal Science. 91:5962-5969.Depletion of penicillin G residues in sows after intramuscular injection

- (Other)Lupton, S.J., Smith, D.J., Shelver, W.L., Newman, D.J., Larsen, S. 2013. Depletion of penicillin G residues in sows after intramuscular injection. Meeting Abstract. Allen D. Leman Swine Conference Pork Safety Round Table Handout.Depletion of penicillin G residues in sows after intramuscular injection

- (Abstract Only)Smith, D.J., Lupton, S.J., Shelver, W.L., Newman, D.J., Larsen, S. 2013. Depletion of penicillin G residues in sows after intramuscular injection. Meeting Abstract. SafePork 2013 Proceedings Book. 2013. p. 39.Depletion of penicillin G residues in sows after intramuscular injection

- (Proceedings)Smith, D.J., Lupton, S.J., Shelver, W.L., Newman, D.J., Larsen, S. 2013. Depletion of penicillin G residues in sows after intramuscular injection. Meeting Proceedings. SafePork 2013 Proceedings Book. 2013, Pg 39-41..Evaluation of penicillin G residues by kidney inhibition swab tests in sow body fluids and tissues following intramuscular injection

- (Proceedings)Shelver, W.L., Lupton, S.J., Newman, D.J., Larsen, S., Smith, D.J. 2013. Evaluation of penicillin G residues by kidney inhibition swab tests in sow body fluids and tissues following intramuscular injection [abstract]. SafePork 2013 Proceedings Book. 2013. pp. 35-38.Application of kidney inhibition swab tests to evaluate penicillin-G residues in sow tissues and body fluids following intramuscular injection

- (Abstract Only)Shelver, W.L., Lupton, S.J., Newman, D.J., Larsen, S., Smith, D.J. 2013. Application of kidney inhibition swab tests to evaluate penicillin-G residues in sow tissues and body fluids following intramuscular injection [abstract]. Association of Analytical Communities Annual Meeting & Exposition. Poster No. P-M-048.Comparison of ELISA and LC-MS/MS for the measurement of flunixin plasma concentrations in beef cattle after intravenous and subcutaneous administration

- (Abstract Only)Shelver, W.L., Tell, L.A., Wagner, S., Wetzlich, S.E., Baynes, R.E., Riviere, J.E., Smith, D.J. 2013. Comparison of ELISA and LC-MS/MS for the measurement of flunixin plasma concentrations in beef cattle after intravenous and subcutaneous administration [abstract]. Association of Analytical Communities Annual Meeting & Exposition. Poster No. P-M-047.Evaluation of penicillin G residues by kidney inhibition swab tests in sow body fluids and tissues following intramuscular injection

- (Abstract Only)Shelver, W.L., Lupton, S.J., Newman, D.J., Larsen, S., Smith, D.J. 2013. Evaluation of penicillin G residues by kidney inhibition swab tests in sow body fluids and tissues following intramuscular injection [abstrace]. SafePork 2013 Proceedings Book. 2013. p. 35.Safety and efficacy of low-dose, subacute exposure of mature ewes to sodium chlorate

- (Abstract Only)Taylor, J.B., Dungan, R.S., Smith, D.J. 2013. Safety and efficacy of low-dose, subacute exposure of mature ewes to sodium chlorate. Journal of Animal Science Supplement. 91:(Suppl.2):218.Determination of penicillin-G procaine in kidney, muscle, serum, and urine of heavy sows after intramuscular administration

- (Abstract Only)Lupton, S.J., Shelver, W.L., Newman, D.J., Larsen, S., Smith, D.J. 2013. Determination of penicillin-G procaine in kidney, muscle, serum, and urine of heavy sows after intramuscular administration [abstract]. 246th American Chemical Society National Meeting. September 8-12, 2013. Indianapolis, IN. http://acselb-529643017.us-west-2.elb.amazonaws.com/chem/246nm/program/view.php?obj_id=205253&terms=.Comparison of ELISA and LC-MS/MS for the measurement of flunixin plasma concentrations in beef cattle after intravenous and subcutaneous administration

- (Peer Reviewed Journal)Shelver, W.L., Tell, L.A., Wagner, S., Wetzlich, S.E., Baynes, R.E., Riviere, J.E., Smith, D.J. 2013. Comparison of ELISA and LC-MS/MS for the measurement of flunixin plasma concentrations in beef cattle after intravenous and subcutaneous administration. Journal of Agricultural and Food Chemistry. 61:2679-2686.Toxicity and metabolism of nitroalkanes and substituted nitroalkanes

- (Peer Reviewed Journal)Smith, D.J., Anderson, R.C. 2013. Toxicity and metabolism of nitroalkanes and substituted nitroalkanes. Journal of Agricultural and Food Chemistry. 61:763-779.Fate and transformation of an estrogen conjugate and its metabolites in agricultural soils

- (Peer Reviewed Journal)Shrestha, S.L., Casey, F.X.M., Hakk, H., Smith, D.J., Padmanabhan, G. 2012. Fate and transformation of an estrogen conjugate and its metabolites in agricultural soils. Environmental Science and Technology. 46:11047-11053.Efficacy, metabolism, and toxic responses to chlorate salts in food and laboratory animals

- (Peer Reviewed Journal)Smith, D.J., Oliver, C.E., Taylor, J.B., Anderson, R.C. 2012. Efficacy, metabolism, and toxic responses to chlorate salts in food and laboratory animals. Journal of Animal Science. 90:4098-4117.Absorption and distribution of perfluorooctane sulfonate (PFOS) in beef cattle

- (Abstract Only)Lupton, S.J., Huwe, J.K., Smith, D.J., Dearfield, K., Johnston, J.J. 2012. Absorption and distribution of perfluorooctane sulfonate (PFOS) in beef cattle. 244th American Chemical Society National Meeting, August 19-23, 2012, Philadelphia, PA. p. 91.In vitro dissolution and in vivo absorption of calcium [1-14C]butyrate in free or protected forms

- (Peer Reviewed Journal)Smith, D.J., Barri, A., Herges, G.R., Hahn, J., Yersin, A.G., Jourdan, A. 2012. In vitro dissolution and in vivo absorption of calcium [1-14C]butyrate in free or protected forms. Journal of Agricultural and Food Chemistry. 60:3151-3157.Absorption and excretion of 14C-perfluorooctanoic acid (PFOA)in angus cattle (Bos taurus)

- (Peer Reviewed Journal)Lupton, S.J., Huwe, J.K., Smith, D.J., Dearfield, K.L., Johnston, J.J. 2012. Absorption and excretion of 14C-perfluorooctanoic acid (PFOA)in angus cattle (Bos taurus). Journal of Agricultural and Food Chemistry. 60:1128-1134.Kinetics and disposition of orally dosed sodium chlorate in sheep

- (Peer Reviewed Journal)Smith, D.J., Taylor, J.B. 2012. Kinetics and disposition of orally dosed sodium chlorate in sheep. Journal of Animal Science. 90:2026-2034.Absorption and excretion of 14C-perfluorooctanoic acid (PFOA) and perfluorooctane aulfonate (PFOS) in beef cattle

- (Proceedings)Lupton, S.J., Huwe, J.K., Smith, D.J., Dearfield, K., Johnston, J.J. 2011. Absorption and excretion of 14C-perfluorooctanoic acid (PFOA) and perfluorooctane aulfonate (PFOS) in beef cattle. Dioxin 2011. 31st International Symposium on Halogenated Persistent Organic Pollutants POPs’ Science in the Heart of Europe, August 21-25, 2011, Brussels, Belgium. Organohalogen Compounds. 73:1150-1153. Available: http://www.dioxin20xx.org/query.cfmAbsorption and excretion of 14C-perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) in beef cattle

- (Abstract Only)Lupton, S.J., Huwe, J.K., Smith, D.J., Dearfield, K., Johnston, J.J. 2011. Absorption and excretion of 14C-perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) in beef cattle. 7th Annual LC/MS/MS Workshop on Environmental Application and Food Safety, June 13-14, 2011, Buffalo, NY.Immunochemical-based zilpaterol measurement and validation in urine and tissues

- (Peer Reviewed Journal)Shelver, W.L., Smith, D.J. 2011. Immunochemical-based zilpaterol measurement and validation in urine and tissues. Food and Agricultural Immunology. 22(3):247-258.Chlorate analyses in matrices of animal origin

- (Peer Reviewed Journal)Smith, D.J., Taylor, J.B. 2011. Chlorate analysis in matrices of animal origin. Journal of Agricultural and Food Chemistry. 59:1598-1606.Absorption and excretion of 14C- perfluorooctanoic acid (PFOA) in beef cattle

- (Abstract Only)Huwe, J.K., Lupton, S.J., Smith, D.J., Dearfield, K., Johnston, J.J. 2011. Absorption and excretion of 14C- perfluorooctanoic acid (PFOA) in beef cattle. Society of Toxicology Annual Meeting, March 6-10, 2011, Washington, DC. Poster #2273.Synthesis and characterization of radiolabeled 17ß-estradiol conjugates

- (Peer Reviewed Journal)Shrestha, S.L., Bai, X., Smith, D.J., Hakk, H., Casey, F.X.M., Larsen, G.L., Padmanabhan, G. 2011. Synthesis and characterization of radiolabeled 17ß-estradiol conjugates. Journal of Labelled Compounds and Radiopharmaceuticals. Vol. 54(5):267-271.Uptake and transformation of soil [14C]-trinitrotoluene by cool-season grasses

- (Peer Reviewed Journal)Duringer, J.M., Craig, A.M., Smith, D.J., Chaney, R.L. 2010. Uptake and transformation of soil [14C]-trinitrotoluene by cool-season grasses. Environmental Science and Technology. 44:6325-6330.Depletion of Urinary Zilpaterol Residues in Horses as Measured by ELISA and UPLC-MS/MS

- (Peer Reviewed Journal)Shelver, W.L., Thorson, J.F., Hammer, C.J., Smith, D.J. 2010. Depletion of Urinary Zilpaterol Residues in Horses as Measured by ELISA and UPLC-MS/MS. Journal of Agricultural and Food Chemistry. 58:4077-4083. DOI:10.1021/jf904253t.Effect of nitroethane, dimethyl-2-nitroglutarate and 2-nitro-methyl-propionate on ruminal methane production and hydrogen balance in vitro

- (Peer Reviewed Journal)Anderson, R.C., Huwe, J.K., Smith, D.J., Stanton, T.B., Krueger, N.A., Callaway, T.R., Edrington, T.S., Harvey, R.B., Nisbet, D.J. 2010. Effect of nitroethane, dimethyl-2-nitroglutarate and 2-nitro-methyl-propionate on ruminal methane production and hydrogen balance in vitro. Bioresource Technology. 101:5345-5349.Food safety on the farm: Movement toward the development of sustainable and environmentally compatible pre-harvest interventions for livestock producers

- (Abstract Only)Anderson, R.C., Smith, D.J., Krueger, N.A., Beier, R.C., Callaway, T.R., Edrington, T.S., Harvey, R.B., Nisbet, D.J. 2010. Food safety on the farm: Movement toward the development of sustainable and environmentally compatible pre-harvest interventions for livestock producers [abstract]. Chemistry for and from Agriculture. 78:80.The Fate and Transport of Reproductive Hormones and Their Conjugates in the Environment

- (Abstract Only)Casey, F., Shrestha, S., Hakk, H., Smith, D.J., Larsen, G.L., Padmanabhan, G. 2009. The Fate and Transport of Reproductive Hormones and Their Conjugates in the Environment. Eos Trans. AGU 90(52), Fall Meet. Suppl, Abstract H53A-0910.Clorate Metabolism in Pure Cultures of E.Coli 0157:H7 Pretreated with Either Nitrate or Chlorate

- (Peer Reviewed Journal)Smith, D.J., Oliver, C.E., Shelver, W.L., Caesar, T., Anderson, R.C. 2009. Clorate Metabolism in Pure Cultures of Escherichia Coli 0157:H7 Pretreated with Either Nitrate or Chlorate. Journal of Agricultural and Food Chemistry. 57:10216-10224. DOI:10.1021/jf901513fResidue and Food Safety Research at the USDA ARS Animal Metabolism Research Unit

- (Abstract Only)Smith, D.J., Huwe, J.K., Hakk, H., Shappell, N.W., Shelver, W.L. 2009. Residue and Food Safety Research at the USDA ARS Animal Metabolism Research Unit. In: Proceedings of 4th International Symposium on Recent Advances in Food Analysis, November 4-6, 2009, Prague, Czech Republic. Poster A-54, page 33.Determination of Zilpaterol in Horse Urine from Withdrawal Day 0 to Day 21 by UPLC-MS/MS and ELISA

- (Abstract Only)Shelver, W.L., Thorson, J., Hammer, C., Smith, D.J. 2009. Determination of Zilpaterol in Horse Urine from Withdrawal Day 0 to Day 21 by UPLC-MS/MS and ELISA. In: Proceedings of Xth International Conference on Agri-Food Antibodies (ICAFA), September 7-10, 2009, Wageningen, The Netherlands. Presentation L-15, page 24.Chlorate Concentration in the Jejunum and Cecum in Growing Pigs when Supplemented in Drinking Water

- (Proceedings)Bahnson, P.B., Smith, D.J., Anderson, R.C., Borys, K.D. 2009. Chlorate Concentration in the Jejunum and Cecum in Growing Pigs when Supplemented in Drinking Water. In: Proceedings of International Symposium on the Epidemiology and Control of Foodborne Pathogens in Pork, September 30-2 October 2009, Quebec, Ontario, Canada.Effect of chlorate, molybdate, and shikimic acid on Salmonella enterica serovar Typhimurium in aerobic and anaerobic cultures

- (Peer Reviewed Journal)Oliver, C.E., Beier, R.C., Hume, M.E., Horrocks, S.M., Casey, T., Caton, J.S., Nisbet, D.J., Smith, D.J., Krueger, N.A., Anderson, R.C. 2010. Effect of chlorate, molybdate, and shikimic acid on Salmonella enterica serovar Typhimurium in aerobic and anaerobic cultures. Anaerobe. 16:106-113.Analytical Method for the Determination of Chlorate in Animal Matrices

- (Abstract Only)Smith, D.J., Taylor, J.B., Bahnson, P. 2009. Analytical Method for the Determination of Chlorate in Animal Matrices. In: Program of American Chemical Society National Meeting and Exposition, August 16-20, 2009, Washington, D.C. Program Vol. 77, Abstract #42, page 96-97.Nitroethane, 2-nitro-methyl-propionate and dimethyl-2-nitroglutarate markedly reduce ruminal methane production without adversely affecting ruminal fermentation

- (Abstract Only)Anderson, R.C., Huwe, J.K., Smith, D.J., Stanton, T.B., Krueger, N.A., Callaway, T.R., Edrington, T.S., Harvey, R.B., Nisbet, D.J. 2009. Nitroethane, 2-nitro-methyl-propionate and dimethyl-2-nitroglutarate markedly reduce ruminal methane production without adversely affecting ruminal fermentation [abstract]. In: Proceedings of the 2009 Conference on Gastrointestinal Function, April 20-22, 2009, Chicago, IL. p. 562.Fate of glucuronide conjugated estradiol in the environment

- (Abstract Only)Shrestha, S.L., Casey, F.X., Hakk, H., Larsen, G.L., Smith, D.J., Padmanabhan, G. 2009. Fate of Glucuronide Conjugated Estradiol in the Environment [Abstract]. In: Proceedings of American Society of Civil Engineers - Environmental and Water Resources Institute Conference, January 5-7, 2009, Bangkok, Thailand.Fate of Chlorate Salts Excreted From Animals

- (Book / Chapter)Smith, D.J., Oliver, C.E., Hakk, H., Anderson, R.C., Larsen, G.L. 2009. Fate of Chlorate Salts Excreted from Animals. In: "Veterinary Pharmaceuticals in the Environment." J. Coats, K. Henderson, Eds. American Chemical Society Symposium Series 1018, Washington, D.C. Pp. 27-44.Fate of glucuronide conjugated estradiol in soil

- (Abstract Only)Shrestha , S. L., Casey, F. X. M., Smith, D. J., Hakk, H.,Larsen, G., and  Padmanabhan, G.,2008, Fate of Glucuronide Conjugated Estradiol in Soil.Annual meeting of the Geol. Soc. Am. Agron. Soc. Am., Crop Sci. Soc. Am., and Soil Sci. Soc. Am., Houston, October 5-9, 2008.Fate of chlorate present in cattle wastes and its impact on Salmonella typhimurium and E. coli 0157:H7

- (Peer Reviewed Journal)Oliver, C.E., Magelky, B.K., Bauer, M., Cheng, F., Caton, J.S., Hakk, H., Larsen, G.L., Anderson, R.C., Smith, D.J. 2008. Fate of chlorate present in cattle wastes and its impact on Salmonella typhimurium and E. coli 0157:H7. Journal of Agricultural Chemistry 56:6573-6583.Depletion of zilpaterol hydrochloride residues from the urine of orally treated horses

- (Abstract Only)Smith, D.J., Hammer, C.J., Mostrom, M.S., Thorson, J.F., Shelver, W.L. 2008. Depletion of Zilpaterol Hydrochloride Residues from the Urine of Orally Treated Horses [Abstract]. In: Program of 236th American Chemical Society National Meeting, Agrochemicals Division, August 17-21, 2008, Philadelph, PA. Vol. 75, Abstract #27, Page 76.Absorption, tissue distribution, and elimination of residues after 2,4,6-trinitro[14C]toluene administration to sheep

- (Peer Reviewed Journal)Smith, D.J., Craig, A.M., Duringer, J.M., Chaney, R.L. 2008. Absorption, tissue distribution, and elimination of residues after 2,4,6-trinitro[14C]toluene administration to sheep. Environmental Science and Technology 42(7):2563-2569.Comparative absorption and bioaccumulation of polybrominated diphenyl ethers following ingestion via dust and oil in male rats

- (Peer Reviewed Journal)Huwe, J.K., Hakk, H., Smith, D.J., Diliberto, J.J., Richardson, V., Birnbaum, L.S., Stapleton, H.M. 2008. Comparative absorption and bioaccumulation of polybrominated diphenyl ethers following ingestion via dust and oil in male rats. Environmental Science and Technology 42:2694-2700.Adverse effects of zilpaterol administration in horses:  three cases

- (Peer Reviewed Journal)Wagner, S.A., Mostrum, M.S., Hammer, C.J., Thorson, J.S., Smith, D.J. 2008. Adverse effects of zilpaterol administration in horses:  three cases. Journal of Equine Veterinary Science 28(4):238-243.Distribution and residues of orally administered 2,4,6-trinitro[14C]toluene in ruminating sheep.

- (Abstract Only)Smith, D.J., Craig, A.M., Duringer, J., Chaney, R.L. 2007. Distribution and residues of orally administered 2,4,6-trinitro[14C]toluene in ruminating sheep. Meeting Abstract. 234th meeting of the American Chemical Society, Aug. 19-23, 2007, Boston, MA.Total radioactive residues and residues of [36Cl]chlorate in market size broilers.

- (Peer Reviewed Journal)Smith, D.J., Byrd, J.A., Anderson, R.C. 2007. Total radioactive residues and residues of [36Cl]chlorate in market size broilers. Journal of Agricultural and Food Chemistry 55:5898-5903.The in vitro reduction of sodium [36Cl]-chlorate in bovine ruminal fluid

- (Peer Reviewed Journal)Oliver, C.E., Bauer, M.L., Caton, J.S., Anderson, R.C., Smith, D.J. 2007. The in vitro reduction of sodium [36Cl]-chlorate in bovine ruminal fluid. Journal of Animal Science 85:2059-2068.Pharmacokinetics of ruminally-dosed sodium chlorate in beef cattle

- (Peer Reviewed Journal)Oliver, C.E., Craigmill, A.L., Caton, J.S., Anderson, R.C., Smith, D.J. 2007.  Pharmacokinetics of ruminally-dosed sodium chlorate in beef cattle. Journal of Veterinary Pharmacology and Therapeutics 30:358-365.Efficacy of chlorate against E. coli O157:H7 and Salmonella Typhimurium in bovine feedlot soil mixture.

- (Abstract Only)Oliver, C.E., Magelky, B.K., Bauer, M.L., Caton, J.S., Hakk, H., Larsen, G.L., Anderson, R.C., Smith, D.J. 2007. Efficacy of chlorate against E. coli O157:H7 and Salmonella Typhimurium in bovine feedlot soil mixture. Meeting Abstract. American Society of Animal Science Meetings, July 8-12, 2007, San Antonio, TX.Accumulation, Whole-body Depletion, and Debromination of Decabromodiphenyl Ether (BDE-209) in Male Sprague-Dawley Rats Following Dietary Exposure

- (Peer Reviewed Journal)Huwe, J.K., Smith, D.J. 2007. Accumulation, Whole-body Depletion, and Debromination of Decabromodiphenyl Ether (BDE-209) in Male Sprague-Dawley Rats Following Dietary Exposure. Environmental Science and Technology 41:2371-2377.Fate of chlorate salts excreted from animals.

- (Abstract Only)Smith, D.J., Oliver, C.E., Hakk, H., Anderson, R.C., Larsen, G.L. 2007. Fate of chlorate salts excreted from animals. Meeting Abstract. American Chemical Society Abstracts, March 25-29, 2007, Chicago, IL.The in vitro reduction of sodium [36Cl]-chlorate in bovine ruminal fluid.

- (Abstract Only)Oliver, C.E., Bauer, M.L., Caton, J.S., Anderson, R.C., Smith, D.J. 2007. The in vitro reduction of sodium [36Cl]-chlorate in bovine ruminal fluid. American Chemical Society Spring Meetings, March 25-29, 2007, Chicago, ILTISSUE RESIDUES, METABOLISM, AND EXCRETION OF NA[36CL]O3 IN RATS

- (Peer Reviewed Journal)Hakk, H., Smith, D.J., Shappell, N.W. 2007. Tissue residues, metabolism, and excretion of Na[36Cl]O3 in rats. Journal of Agricultural and Food Chemistry 55:2034-2042.Absorption, Distribution, Metabolism, and Elimination of [14C]-2,4,6-Trinitrotoluene in Sheep After a 30-Day Exposure to Dietary Unlabeled 2,4,6-Trinitrotoluene

- (Abstract Only)Craig, A.M., Duringer, J.M., Smith, D.J., Delorme, M.M., Chaney, R.L. 2006. Absorption, Distribution, Metabolism, and Elimination of [14C]-2,4,6-Trinitrotoluene in Sheep After a 30-Day Exposure to Dietary Unlabeled 2,4,6-Trinitrotoluene. Meeting Abstract. p. E109.TISSUE DISTRIBUTION, ELIMINATION, AND METABOLISM OF SODIUM [36CL]PERCHLORATE IN LACTATING GOATS

- (Peer Reviewed Journal)Smith, D.J., Hakk, H., Larsen, G.L. 2006. Tissue distribution, elimination, and metabolism of sodium [36cl]perchlorate in lactating goats. Journal of Agriculture and Food Chemistry 54:8829-8835.EFFECT OF SODIUM [36CL]CHLORATE DOSE ON TOTAL RADIOACTIVE RESIDUES AND RESIDUES OF PARENT CHLORATE IN GROWING SWINE

- (Peer Reviewed Journal)Smith, D.J., Anderson, R.C., Huwe, J.K. Effect of sodium [36cl]chlorate dose on total radioactive residues and residues of parent chlorate in growing swine. Journal of Agriculture and Food Chemistry 54:8648-8653.Effect of chlorate, molybdate, and shikimic acid on Salmonella Typhimurium in aerobic and anaerobic cultures

- (Abstract Only)Oliver, C.E., Smith, D.J., Casey, T., Horrocks, S.M., Anderson, R.C., Nisbet, D.J. 2006. Effect of chlorate, molybdate, and shikimic acid on Salmonella Typhimurium in aerobic and anaerobic cultures. American Society of Microbiology National Meetings Victoria, British Columbia, Sept. 10-12, 2006. Abstract No. 85.TISSUE DISTRIBUTION, ELIMINATION, AND METABOLISM OF SODIUM 36CL-PERCHLORATE IN LACTATING GOATS.

- (Abstract Only)Smith, D.J., Hakk, H., Larsen, G.L. 2006. Tissue distribution, elimination, and metabolism of sodium 36cl-perchlorate in lactating goats. American Chemical Society Abstracts. San Francisco, CA, Sept. 10-14, 2006.EFFECT OF DOSE ON RESIDUES AND DISPOSITION OF AN EXPERIMENTAL 36CL-CHLORATE PRODUCT IN BROILERS.

- (Abstract Only)Smith, D.J., Byrd Ii, J.A., Anderson, R.C. 2006. Effect of dose on residues and disposition of an experimental 36cl-chlorate product in broilers. American Chemistry Society Abstracts.  San Francisco, CA, Sept. 10-14, 2006.STABILIZATION OF A RACTOPAMINE ENZYME CONJUGATE IN AQUEOUS SOLUTION, A RAPID AND CONVENIENT IMMUNOASSAY METHOD FOR THE DETECTION OF RACTOPAMINE.

- (Abstract Only)Wang, G., Rodrigues, W., Agrawal, A., Philips, H., Abolencia, E., Nuguyen, M., Smith, D.J., Shelver, W.L. 2006. Stabilization of a ractopamine enzyme conjugate in aqueous solution, a rapid and convenient immunoassay method for the detection of ractopamine. American Chemical Society Abstracts. San Francisco, CA, Sept. 10-14, 2006.TISSUE RESIDUES AND URINARY EXCRETION OF ZILPATEROL IN SHEEP TREATED FOR 10-DAYS WITH DIETARY ZILPATEROL.

- (Peer Reviewed Journal)Shelver, W.L., Smith, D.J. 2006. Tissue residues and urinary excretion of zilpaterol in sheep treated for 10-days with dietary zilpaterol. Journal of Agricultural and Food Chemistry 54:4155-4161.TISSUE RESIDUE AND URINARY EXCRETION OF ZILPATEROL IN SHEEP TREATED FOR 10 DAYS WITH DIETARY ZILPATEROL.

- (Abstract Only)Shelver, W.L., Smith, D.J. 2006. Tissue residue and urinary excretion of zilpaterol in sheep treated for 10 days with dietary zilpaterol. Meeting Abstract.  Fifth International Symposium on Hormone and Veterinary Drug Residue Analysis Meeting, Antwerp, Belgium, May 16-19, 2006.EFFECT OF RACTOPAMINE ON E. COLI O157:H7 AND SALMONELLA IN VITRO AND ON INTESTINAL POPULATIONS AND FECAL SHEDDING IN EXPERIMENTALLY INFECTED SHEEP AND PIGS

- (Peer Reviewed Journal)Edrington, T.S., Callaway, T.R., Smith, D.J., Genovese, K.J., Anderson, R.C., Nisbet, D.J. 2006. Effects of ractopamine HCl on Escherichia coli O157:H7 and Salmonella in vitro and on intestinal populations and fecal shedding in experimentally infected sheep and pigs. Current Microbiology. 53:82-88.EFFECT OF SODIUM [36CL]CHLORATE DOSE ON TOTAL RADIOACTIVE RESIDUES AND RESIDUES OF PARENT CHLORATE IN BEEF CATTLE.

- (Peer Reviewed Journal)Smith, D.J., Oliver, C.E., Caton, J.S., Anderson, R.C. 2005. Effect of sodium [36Cl]chlorate dose on total radioactive residues and residues of parent chlorate in beef cattle. Journal of Agricultural and Food Chemistry 53:7352-7360.EFFECT OF SODIUM [36CL]CHLORATE DOSE ON TOTAL RADIOACTIVE RESIDUES AND RESIDUES OF PARENT CHLORATE IN SWINE.

- (Proceedings)Smith, D.J., Anderson, R.C. 2005. Effect of sodium [36Cl]chlorate dose on total radioactive residues and residues of parent chlorate in swine. Proceedings of the 6th International Symposium on the Epidemiology & Control of Foodborne Pathogens in Pork (SafePork 2005), Sept. 6-9, 2005, Rohnert Park, CA, pp. 142-144.ERGOVALINE MOVEMENT ACROSS CACO-2 CELLS.

- (Peer Reviewed Journal)Shappell, N.W., Smith, D.J. 2005. Ergovaline movement across CACO-2 cells. In Vitro Cellular and Developmental Biology - Animals 41:245-251.TISSUE DISTRIBUTION, ELIMINATION, AND METABOLISM OF DIETARY SODIUM [36CL]CHLORATE IN BEEF CATTLE

- (Peer Reviewed Journal)Smith, D.J., Anderson, R.C., Ellig, D.A., Larsen, G.L. 2005. Tissue distribution, elimination, and metabolism of dietary sodium [36Cl]chlorate in beef cattle. Journal of Agricultural and Food Chemistry 53:4272-4280.LABORATORY AND ON-FARM STUDIES ON THE BIOAVAILABILITY OF DIOXINS FROM A CONTAMINATED MINERAL SUPPLEMENT FED TO DAIRY COWS

- (Peer Reviewed Journal)Huwe, J.K., Smith, D.J. 2005. Laboratory and on-farm studies on the bioavailability of dioxins from a contaminated mineral supplement fed to dairy cows. Journal of Agriculture and Food Chemistry 53:2362-2370.PHARMACOKINETICS OF INTRARUMINALLY-DOSED 36CL-LABELED SODIUM CHLORATE IN CATTLE

- (Abstract Only)Oliver, C.E., Smith, D.J., Anderson, R.C., Caton, J.S. 2005. Pharmacokinetics of intraruminally-dosed 36cl-labeled sodium chlorate in cattle. [abstract] American Chemical Society (ACS) Spring Meetings. March 14-17, 2005, San Diego, CA, Picogram No. 68, Abstract No. 105.RESIDUES AND METABOLISM OF 36CL-LABELED SODIUM CHLORATE IN CATTLE.

- (Abstract Only)Smith, D.J., Oliver, C.E., Anderson, R.C., Caton, J.S. 2005. Residues and metabolism of 36cl-labeled sodium chlorate in cattle. [abstract] American Chemical Society (ACS) Spring Meeting, San Diego, CA, March 13-17, 2005, Picogram No. 68, Abstract No. 106.BIOTRANSFORMATION OF [14C]-PHENYLBUTAZONE AFTER ORAL OR INTRAVENOUS ADMINISTRATION TO CATTLE

- (Abstract Only)Smith, D.J., Huwe, J.K., Lorentzsen, M.K., Harrington, G.E. 2004. Biotransformation of [14c]-phenylbutazone after oral or intravenous administration to cattle. [abstract] American Chemical Society National Meeting, Philadelphia, PA, 8/22-26/2004, Picogram No. 67, Abstract No. 124.ERGOVALINE TRANSPORT ACROSS HUMAN GASTROINTESTINAL CELLS (CACO-2).

- (Abstract Only)Shappell, N.W., Smith, D.J. 2004. Ergovaline transport across human gastrointestinal cells (caco-2). [abstract] Joint Meeting of American Society of Animal Science, American Dairy Science Association, and Poultry Science Association, St. Louis, MO, July 25-29, 2004, Journal of Animal Science 82(Suppl 1):181, Abstract T71.DEVELOPMENT OF AN ENZYME LINKED IMMUNOSORBENT ASSAY FOR THE BETA-ADRENERGIC AGONIST ZILPATEROL.

- (Proceedings)Shelver, W.L., Smith, D.J. 2004. Development of an enzyme linked immunosorbent assay for the beta-adrenergic agonist zilpaterol. EuroResidue V Conference Proceedings, May 10-12, 2004, Noordwijkerhout, The Netherlands.TISSUE DISTRIBUTION, ELIMINATION, AND METABOLISM OF DIETARY SODIUM [36CL]CHLORATE IN BEEF CATTLE

- (Abstract Only)Smith, D.J., Anderson, R.C., Ellig, D.A., Larsen, G.L. 2004. Tissue distribution, elimination, and metabolism of dietary sodium [36cl]chlorate in beef cattle. [abstract] International Association for Food Protection 91st Annual Meeting, August 8-11, 2004, Phoenix, AZ.  Abstract #T35.DETERMINATION OF 14C RESIDUE IN EGGS OF LAYING HENS ADMINISTERED ORALLY WITH [14C]SULFAQUINOXALINE.

- (Peer Reviewed Journal)Shaikh, B., Rummel, N., Smith, D.J. 2004. Determination of 14C residue in eggs of laying hens administered orally with [14C]sulfaquinoxaline. Journal of Food Additives & Contaminants. 21:545-554.ENZYME-LINKED IMMUNOSORBENT ASSAY DEVELOPMENT FOR THE BETA-ADRENERGIC AGONIST ZILPATEROL.

- (Peer Reviewed Journal)Shelver, Weilin L. and Smith, David J. 2004. Enzyme-linked immunosorbent assay development for the beta-adrenergic agonist zilpaterol.  Journal of Agricultural and Food Chemistry. 52:2159-2166.THE EFFECT OF RACTOPAMINE STEREOISOMERS ON LIPOLYSIS OF BOVINE SUBCUTANEOUS AND INTRAMUSCULAR ADIPOSE TISSUE.

- (Abstract Only)Shields, T.H., Smith, T.R., Althen, T., Smith, D.J. The effect of ractopamine stereoisomers on lipolysis of bovine subcutaneous and intramuscular adipose tissue. [abstract]. Federation of American Societies for Experimental Biology Annual Meeting, April 17-24, 2004, Washington, DC.  Abstract #8086.DEVELOPMENT OF AN ENZYME-LINKED IMMUNOSORBENT ASSAY FOR BETA-AGONIST ZILPATEROL.

- (Abstract Only)Shelver, W.L., Smith, D.J. 2004. Development of an enzyme-linked immunosorbent assay for beta-agonist zilpaterol. EuroResidue V, May 10-12, 2004, Noordwijkerhout, The Netherlands.DETERMINATION OF RACTOPAMINE IN CATTLE AND SHEEP URINE SAMPLES USING AN OPTICAL BIOSENSOR ANALYSIS:COMPARATIVE STUDY WITH HPLC AND ELISA.

- (Peer Reviewed Journal)Shelver, W.L., Smith, D.J. 2003. Determination of ractopamine in cattle and sheep urine samples using an optical biosensor analysis:comparative study with HPLC and ELISA. Journal of Agricultural and Food Chemistry 51(13):3715-3721.DETERMINATION OF RACTOPAMINE IN CATTLE AND SHEEP URINE USING BIOSENSOR

- (Abstract Only)Shelver, W.L., Smith, D.J. 2003. Determination of ractopamine in cattle and sheep urine using biosensor. VII International Conference on Agri-Food Antibodies, September 10-13, 2003, Uppsala, Sweden.UPTAKE AND EXCRETION OF PCDD/FS FROM A MAGNESIUM MINERAL SUPPLEMENT FED TO DAIRY COWS.

- (Peer Reviewed Journal)Huwe, J.K., Smith, D.J. 2003. Uptake and excretion of pcdd/fs from a magnesium mineral supplement fed to dairy cows. Organohalogen Compounds. 64:419-422.BETA-ADRENERGIC RECEPTOR SUBTYPES THAT MEDIATE RACTOPAMINE STIMULATION OF LIPOLYSIS.

- (Peer Reviewed Journal)Mills, S.E., Spurlock, M.E., Smith, D.J. 2002. Beta-adrenergic receptor subtypes that mediate ractopamine stimulation of lipolysis. Journal of Animal Science 81:662-668.STEREOSELECTIVITY OF PORCINE BETA-ADRENERGIC RECEPTORS FOR RACTOPAMINE STEREOISOMERS.

- (Peer Reviewed Journal)Mills, S.E., Kissel, J., Bidwell, C.A., Smith, D.J. 2002. Stereoselectivity of porcine beta-adrenergic receptors for ractopamine stereoisomers. Journal of Animal Science 81:122-129.IMMUNOAFFINITY COLUMN AS SAMPLE CLEANUP METHOD FOR DETERMINATION OF THE BETA-ADRENERGIC AGONIST RACTOPAMINE AND ITS METABOLITES.

- (Peer Reviewed Journal)Shelver, W.L., Smith, D.J. 2002. Immunoaffinity column as sample cleanup method for determination of the beta-adrenergic agonist ractopamine and its metabolites. Journal of Association of Official Analytical Chemists International. 85(6):1302-1307.BINDING OF RACTOPAMINE HCL TO OCULAR TISSUES OF CATTLE AND TURKEYS IN VIVO AND TO MELANIN IN VITRO.

- (Peer Reviewed Journal)Smith, D.J., Ehrenfreid, K.E., Dalidowicz, J.D., Turberg, M.P. 2002. Binding of ractopamine HCl to ocular tissues of cattle and turkeys in vivo and to melanin in vitro. Journal of Animal Science 80:2931-2941.LIQUID CHROMATOGRAPHY/ELECTROSPRAY TANDEM MASS SPECTROMETRIC ANALYSIS OF INCURRED RACTOPAMINE RESIDUES IN LIVESTOCK.

- (Peer Reviewed Journal)Churchwell, M.I., Holder, C.L., Little, D., Preece, S., Smith, D.J., Doerge, D.R. 2002. Liquid chromatography/electrospray tandem mass spectrometric analysis of incurred ractopamine residues in livestock. Rapid Communications in Mass Spectrometry 16:1261-1265.TECHNICAL NOTE:  EPERIMERIZATION OF ERGOPEPTINE ALKALOIDS IN ORGANIC AND AQUEOUS SOLVENTS.

- (Peer Reviewed Journal)Smith, D.J. and Shappell, N.W. 2002. Technical note:  eperimerization of ergopeptine alkaloids in organic and aqueous solvents. Journal of Animal Science 80:1616-1622.APPLICATION OF A MONOCLONAL ANTIBODY-BASED ENZYME-LINKED IMMUNOSORBENT ASSAY FOR THE DETERMINATION OF RACTOPAMINE IN INCURRED SAMPLES FROM FOOD ANIMALS.

- (Peer Reviewed Journal)Shelver, W.L. and Smith, D.J. 2002. Application of a monoclonal antibody-based enzyme-linked immunosorbent assay for the determination of ractopamine in incurred samples from food animals. Journal of Agricultural and Food Chemistry 50(10):2742-2747.TISSUE RESIDUES OF RACTOPAMINE AND URINARY EXCRETION OF RACTOPAMINE AND    METABOLITES IN ANIMALS TREATED FOR 7 DAYS WITH DIETARY RACTOPAMINE.

- (Peer Reviewed Journal)Smith, D.J., Shelver, W.L. 2002. Tissue residues of ractopamine and urinary excretion of ractopamine and metabolites in animals treated for 7 days with dietary ractopamine. Journal of Animal Science 80:1240-1249.
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                                                Scientists Evaluate Potential Human Cannabinol Exposure from Consuming Meat if Cattle is Fed Hempseed Cake


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