Ronald Tjeerdema

Research:

Research currently focused on investigating (1) the metabolic actions of toxic chemicals in aquatic animals using nuclear magnetic resonance (NMR)-based metabolomics (environmental metabolomics); (2) the biochemical actions of toxic chemicals in aquatic animals using in vivo NMR; (3) the kinetics and biotransformation of pesticides and petroleum hydrocarbons in aquatic animals; (4) the influence of surfactants on the bioavailability of petroleum hydrocarbons in aquatic systems; (5) the dissipation of herbicides via volatilization, soil sorption, photodegradation and microbial degradation under rice field conditions; and (6) the fate of pesticides and petroleum hydrocarbons in marine mussels and sediments. Member of the Graduate Groups in Agricultural & Environmental Chemistry, Ecology, and Pharmacology & Toxicology.

Education:

• PhD - University of California, Davis - Pharmacology and Toxicology 1987
• M.S. - University of California, Santa Barbara - Pharmacology 1983
• B.S. - Humboldt State University - Natural Resources 1980
• B.S. - Humboldt State University - Wildlife Management 1980

Teaching:

• ETX 10 - Introduction to Environmental Toxicology
• ETX 102A – Environmental Fate of Toxicants
• ETX 120 – Perspectives in Aquatic Toxicology
• ETX 101 – Contributor
• ETX 220 – Contributor
• PTX 201 – Contributor
• PTX 230 – Contributor

Professional Activities:

• Department Chair - Environmental Toxicology
• Advisor & Member of the Graduate Group in Pharmacology & Toxicology
• Member of the Graduate Group in Agricultural & Environmental Chemistry
• Advisor and Member of the Graduate Group in Ecology
• Advisor - Environmental Toxicology
• Director - Marine Pollution Studies Laboratory

Publications:

Williams, K. L., R. Kaur, A. S. McFall, C. Anastasio, J. Kalbfleisch, J. J. Gladfelder, D. B. Ball and R. S. Tjeerdema, 2018. Aqueous photolysis of benzobicyclon hydrolysate. J. Agric. Food Chem. 66, 5462–5472.

Redman, Z. C., S. J. Parikh, M. J. Hengel and R. S. Tjeerdema, 2019. Influence of flooding, salinization and soil properties on degradation of chlorantraniliprole in California rice field soils. J. Agric. Food Chem. 67, 8130–8137.

Redman, Z. C., K. H. Tran, S. J. Parikh and R. S. Tjeerdema, 2019. Influence of pH and divalent metals relevant to California rice fields on the hydroxide mediated hydrolysis of the insecticide chlorantraniliprole. J. Agric. Food Chem. 67, 12402–12407.

Landry, M. E., (alphabetical order) E. E. Adams, A. Bejarano, M. Boufadel, G. Coelho, T. S. Coolbaugh, C. Cooper, D. Di Toro, J. Gohlke, B. D. Goldstein, T. Hazen, K. Lee, S. Murawski, W. S. Pegau, R. S. Tjeerdema, D. Valentine and H. White, 2020. The Use of Dispersants in Marine Oil Spill Response. The National Academies Press, Washington, DC, https://doi.org/10.17226/25161, 340 pp.

Redman, Z. C., C. Anastasio and R. S. Tjeerdema, 2020. Quantum yield for the aqueous photochemical degradation of chlorantraniliprole and simulation of its environmental fate in a model California rice field. Environ. Toxicol. Chem., 39, 1929–1935.

Tjeerdema, R. S., 2021. What Happens to an Oil Spill? The Hill: Op/Ed Energy-Environment, Washington, DC., https://thehill.com/opinion/energy-environment/576174-what-happens-after-an-oil-spill/