Judd Owen Nelson
Professor Emeritus
Email: judd@umd.edu
Office Phone: 301-405-3911
Fax: 301-314-9290
Office Address: Entomology Department * Plant Sciences Building * University of Maryland * College Park, MD 20742
Teaching
My research interests are in the areas of insecticide toxicology, physiology, and environmental toxicology.
Recent Publications
Email: judd@umd.edu
Office Phone: 301-405-3911
Fax: 301-314-9290
Office Address: Entomology Department * Plant Sciences Building * University of Maryland * College Park, MD 20742
Teaching
- ENTM 653
- ENTM 798C
- ENTM 699C (Co-Taught)
- BIOL 105
- TOXI/MEES 641
- Entomology
- Marine-Estuarine-Environmental Sciences (MEES)
My research interests are in the areas of insecticide toxicology, physiology, and environmental toxicology.
Recent Publications
- Bushman, D. W. and J. O. Nelson.(1990). The role of the frontal ganglion and corpora cardiaca/corpora allata complex in post-feeding weight loss in adult Heliothis zea. Physiological Entomol. 15, 269-274.
- St. Leger, Raymond J., Judd Nelson, and Steven E Screen. (1999) The entomopathogenic fungus Metarhizium anisopliae, Neurospora crassa alters ambient pH, allowing extracellular proteinase production and activity. Microbiology, 145, 2691-2699.
- Wu, Shuenn-Jue L., and Judd O. Nelson. (1991). Action of Neuroactive Chemicals on Sex Pheromone-mediated Behavior of the German Cockroach. Bull. Institute Zool., Acad. Sinica, 30, 1-8.
- Olson, E. R., G. P. Dively, and J. O. Nelson. Baseline Susceptibility to Imidacloprid and Cross Resistance Patterns in Colorado Potato Beetle (Coleoptera: Chrysomelidae) Populations. (2000) J. Econ. Entomol. 93, 447-458).
- Muldoon, Mark T., George F. Fries, and Judd O. Nelson. (1993). Evaluation of ELISA for the Multianalyte Analysis of s-Triazines in Pesticide Waste and Rinsate. J. Agric. Food Chem., 41, 322-328.
- Yoon, Kyong Sup, Judd O. Nelson, J. Marshall Clark. Selective induction of abamectin metabolism by dexamethasone, 3-methylcholanthrene, and Phenobarbital in Colorado potato beetle, Leptinotarsa decemileata(Say). Pestic. Biochem. Physiol. 2002, 73, 74-86.
- Muldoon, M. T., R. N. Huang, C. J. Hapeman, G. F. Fries, M. C. Ma, and J. O. Nelson. (1994). Hapten Synthesis and Immunoassay Development for the Analysis of Chlorodiamino-s-triazine in Treated Pesticide waste and Rinsate. J. Agric. Food Chem. 42, 747-755.
- Putnam, Raymond A., Judd O. Nelson, and J. Marshall Clark. The Persistence and Degradation of Chlorothalonil and Chlopyrifos in a Cranberry Bog. J. Agric. Food Chem. 2003, 51, 170-176.
- Muldoon, Mark T. And Judd O. Nelson. (1994). Pesticide Waste Treatment Monitoring of s-Triazines Using Immunoassay. J. Agric. Food Chem. 42, 1686-1692.
- Pait, Anthony S., Judd O. Nelson. Vitellogenesis in maleFundulus heteroclitus (killifish) induced by selected estrogenic compounds. Aquat. Toxicol. 2003, 64, 331-342.
- Del Valle, P.L. and J. O. Nelson. (1994). Evaluation of Atrazine Soil Extraction Methods for the Determination by Enzyme Immunoassay and Gas Chromatography. Arch. Environ. Contam. Toxicol. 27, 375-383.
- Presented Papers
- Muldoon, Mark T. And Judd O. Nelson. (1994). Evaluation of the Effects of Selected Agricultural Materials on an ELISA for s-Triazines. Food & Agric. Immunol. 6, 357-370.
- 1999: Assessing Endocrine Disruption in the Chesapeake Bay using the Killifish Fundulus heteroclitus. Society of Environmental Toxicology and Chemistry Annual Meeting. (With Tony Pait and Howard Hsieh).
- Del Valle, Pedro L., Mark T. Muldoon, Jeffrey S. Karns, Judd O. Nelson, and Walter W. Mulbry. (1996). Development of Improved Immunoassay and HPLC Methods for the Analysis of Chlorodiamino-s-triazine in Environmental Samples. J. Agric. Food Chem. 44, 945-952.
- 2000: Use of the killifish Fundulus heteroclitus to assess endocrine disruption in the Chesapeake Bay. American Chemical Society National Meeting. (With Anthony Pait)
- Muldoon, Mark T. and Judd O. Nelson. (1995). Immunochemical Approach for Pesticide Waste Treatment Monitoring of s-Triazines. In: Immunoanalysis of Agrochemicals: Emerging Technologies,Nelson, Judd O., Alexander E. Karu, and Rosie B. Wong (eds.) American Chemical Society, Washington, DC.
- 2000: Reproductive Endocrine Disruption and the Killifish Fundulus heteroclitus in the Chesapeake Bay. Society of Environmental Toxicology and Chemistry Annual Meeting. (With Anthony Pait)
- 2001: Enhancement of Abamectin Metabolism with Dexamethasone, 3-Methylcholanthrene,
- 1992 USDA ARS Natural Resources Institute - Award for Collaborator
- 1997-98 Chair of the Division of Agrochemicals of the American Chemical Society
- 1998 Past Chair Award Plaque, Division of Agrochemicals, American Chemical Society
- 2003 American Chemical Society: Fellow of the Agrochemicals Division. Presented at the September 9, 2003 at the ACS meeting in New York.
- University of Wisconsin, Madison: B.S. Food Science, August 1969
- University of Wisconsin, Madison: M.S. Entomology, January 1972
- University of Wisconsin, Madison: Ph.D. Entomology, June 1974, diffused minor
