Dr. Philip N. Smith
Associate Professor, Terrestrial Ecotoxicology
Ph.D. Environmental Toxicology, Texas Tech University 2000
B.S. Chemistry & Biology, Murray State University 1988
Ecological Risk Assessment
ENTX 6371 Ecological Risk Assessment
Dr. Smith is an environmental toxicologist whose research examines pathways of contaminant exposure and physiological and population-level responses of ecological receptors following exposure to environmental contaminants. Dr. Smith’s research is strategically aligned with his academic emphasis which is ecological risk assessment. Dr. Smith serves as chair of the TTU Institutional Animal Care and Use Committee. He is an editor of the international scientific journal Environmental Pollution, and associate editor of Environmental Toxicology & Chemistry.
Smith, Philip N. 2021. The meat of the matter: Environmental dissemination of beef cattle agrochemicals. Environmental Toxicology & Chemistry. (in press).
Peterson, Eric M., Green, Frank B., Subbiah, Seeni, Emert, Amanda, Smith, Philip N. 2021. Agrochemical occurrence on co-located wildflowers and wild bees collected near beef cattle feed yards and row crops. Integrated Environmental Assessment & Monitoring. (submitted)
Smith, Philip N., Armbrust, Kevin L., Brain, Richard A., Chen, Wenlin, Galic, Nika, Ghebremichael, Lula, Giddings, Jeffrey M., Hanson, Mark L., Maul, Jonathan D., van der Kraak, Glen, Solomon, Keith R. Assessment of risks to listed species from the use of atrazine in the USA: A perspective. Reviews of Environmental Contamination & Toxicology. (submitted)
Sandoz, M. A., Lewis, M. M., Wages, M., Peterson, E. M., Clendening, S., Wooten, K. J., Smith, P. 2020. Aqueous ractopamine exposure below 0.22 mg/L has no effect on mortality, malformation, or growth of developing Xenopus laevis tadpoles. Toxicological & Environmental Chemistry 1-19.
Peterson, Eric M., Green, Frank B., Smith, Philip N. 2020. Toxic responses of blue orchard mason bees (Osmia lignaria) following contact exposure to neonicotinoids, macrocyclic lactones, and pyrethroids. Ecotoxicology & Environmental Safety 208:111681.
Longing, Scott D., Peterson, Eric M., Jewett, Christopher T., Rendon, Bianca, Discua, Samuel A., Wooten, Kimberly J., Subbiah, Seeni, Smith, Philip N., McIntyre, Nancy E. 2020. Exposure of foraging wild bees to neonicotinoids in the U.S. Southern High Plains. Environmental Entomology 49:528-535.
Peterson, Eric M., Green, Frank B., Smith, Philip N. 2020. Pesticides used on beef cattle feed yards are aerially transported into the environment via particulate matter. Environmental Science & Technology 54(20):13008-13015. https://pubs.acs.org/doi/10.1021/acs.est.0c03603
Peterson, Eric M., Shaw, Katherine, Smith, Philip N. 2019. Toxicity of agrochemicals among larval and adult painted lady butterflies (Vanessa cardui). Environmental Toxicology & Chemistry 38:2629-2636.
Smith, Philip N., McEachran, Andrew D., Wooten, Kimberly J., Blackwell, Brett R. 2019. A preliminary evaluation of veterinary antibiotics, estrogens, in vitro estrogenic activity, and microbial communities in airborne particulate matter collected near dairy production facilities. Aerobiologia 35(2):315-326.
Wooten, Kimberly J., Mayer, Gregory D., Smith, Philip N. 2019. Persistence of elevated concentrations of particulate matter, affiliated pharmaceuticals, and tetracycline resistance genes downwind of feedyards. Environmental Pollution 247:467-473.
Thompson, Kelsey N., Wooten, Kimberly J., Hensley, Loren L., Smith, Philip N., Mayer, Gregory D. 2018. Viable antimicrobial resistant bacteria are transported from cattle feed yards via aerosolized particulate matter. Journal of Veterinary Science & Medicine 6(2):4.
Wooten, Kimberly J., Sandoz, Melissa A., Smith, Philip N. 2018. Ractopamine in particulate matter emitted from beef cattle feedyards and playa wetlands in the Central Plains. Environmental Toxicology & Chemistry 37(4):970-974.
Sandoz, Melissa A., Wooten, Kimberly J., Clendening, Sheree L., Hensley, Loren L., Smith, Lucas R., Smith, Philip N. 2017. Transport mechanisms for veterinary pharmaceuticals from beef cattle feedyards to wetlands: Is aerial deposition a contributing source? Agriculture, Ecosystems & Environment 252:14-21.
Peterson, Eric M., Wooten, Kimberly J., Subbiah, Seenivasan, Anderson, Todd A., Longing, Scott, Smith, Philip N. 2017. Agrochemical mixtures detected on wildflowers near cattle feed yards. Environmental Science & Technology Letters 4(6):216-220. https://pubs.acs.org/doi/full/10.1021/acs.estlett.7b00123
Sandoz, Melissa A., Wages, Mike, Wooten, Kimberly J., Clendening, Sheree, Smith, Lucas R., Mulhearn, Brian, Smith, Philip N. 2017. Surface water mitigates the antimetamorphic effects of elevated perchlorate concentrations in New Mexico spadefoot toad larvae (Spea multiplicata). Environmental Science & Pollution Research 24(21):17839-17844.
Faust, Derek R., Wooten, Kimberly J., Smith, Philip N. 2017. Transfer of phthalates from c-polyvinyl chloride and cross-linked polyethylene pipe (PEX-b) into drinking water. Water Science & Technology: Water Supply 17(2):588-596.
Blackwell, B. R., Johnson, B., Buser, M. D., Cobb, G. P., Smith, P. 2015. Transformation kinetics of trenbolone acetate metabolites and estrogens in urine and feces of implanted steers. Chemosphere 138:901-907.
Wooten, Kimberly J., Blackwell, Brett R., McEachran, Andrew D., Mayer, Gregory D., Smith, Philip N. 2015. Airborne particulate matter collected near beef cattle feedyards induces androgenic and estrogenic activity in vitro. Agriculture, Ecosystems, & Environment 203:29-35.
Blackwell, Brett R., Wooten, Kimberly J., Buser, Michael D., Johnson, Bradley., Cobb, George P., Smith, Philip N. 2015. Occurrence and characterization of steroid growth promoters associated with particulate matter originating from beef cattle feedyards. Environmental Science & Technology 49:8796-8803. https://pubs.acs.org/doi/abs/10.1021/acs.est.5b01881
McEachran, Andrew D., Blackwell, Brett R., Hanson, John D., Wooten, Kimberly J., Mayer, Gregory D., Cox, Stephen B., Smith, Philip N. (2015). Antibiotics, bacteria, and antibiotic resistance genes: Aerial transport from cattle feed yards via particulate matter. Environmental Health Perspectives 123(4):337-343. http://ehp.niehs.nih.gov/1408555/
The Department of Environmental Toxicology (ENTX) is the academic home for the core faculty of The Institute of Environmental and Human Health (TIEHH) and the Institute for Forensic Science (IFS) at Texas Tech University. TIEHH and IFS provide faculty and graduate students opportunities for multidisciplinary research and scholarly engagement related to environmental, forensic and human health sciences.
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