Environmental Sciences

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Jay Gan

Professor of Environmental Chemistry

• Office: 210 Science Laboratories I
• Phone: (951) 827-2712
• jgan@ucr.edu

Academic Degrees:

• Ph.D., Zhejiang University, China, 1988

Awards:

• Elected Fellow, American Society of Agronomy (ASA), 2006
• Elected Fellow, American Association for the Advancement of Science (AAAS), 2008
• Elected Fellow, Soil Science Society of America (SSSA), 2010

Specialization:

• Environmental fate and risk assessment of pesticides, POPs, PPCPs, and PBDEs.
• Processes of organic contaminants in ecosystems, including biotic and abiotic degradation, adsorption, leaching and runoff.
• Bioavailability, aquatic bioaccumulation, and ecotoxicity of hydrophobic contaminants.
• Detoxification and remediation of organic contaminants.
• Method development for trace contaminant analysis.
• Evaluation and development of best management practices.

Research Group:

• Postdoctoral Associates

  • Alfonso Cabrera - Postdoctoral Research Associate
  • Jeremy Conkle - Postdoctoral Research Associate
  • Sherry (Xiaoqin) Wu - Postdoctoral Research Associate

• Graduate Students

  • Weiying Jiang (Ph.D., Environmental Science Program)
  • Laurel Dodgen (Ph.D., Environmental Toxicology Program)
  • Zhijiang Lu (Ph.D., Environmental Science Program)
  • Echo (Fang) Jia (Ph.D., Environmental Science Program)
  • Edmond Sanganyado (Ph.D., Environmental Toxicology Program)

• Other

  • Irene (Juying) Li – Exchange Ph.D. student, Zhejiang University
  • Fredrick Ernst - Staff Research Associate
  • Andy Lu - Undergraduate Research Assistant
  • Daniel Kashfian - Undergraduate Research Assistant

• Recent Graduates

  • Susie (Sujie) Qin (Ph.D., 2006) - Postdoctoral Scientist, Standford University, Palo Alto, CA
  • Robert Budd (Ph.D., 2009) - Scientist, California Department of Pesticide Regulation, Sacramento, CA
  • Wesley Hunter (Ph.D., 2009) - Staff Fellow, Center for Veterinary Medicine, U.S. Food and Drug Administration, Maryland
  • Mae Nillos (Ph.D., 2009) - Assistant Professor, University of the Philippines

Representative Publications:

• Edited Books

  • Gan, J., P. Zhu, S.D. Aust, and A.T. Lemley. Pesticide Decontamination and Detoxification. American Chemical Society Symposium Series 863, American Chemical Society: Washington, DC, 2003.
  • Gan, J., F. Spurlock, P. Hendley, and D. Weston. Synthetic Pyrethroids: Occurrence and Effects in Aquatic Environments. American Chemical Society Symposium Series 991, American Chemical Society: Washington, DC, 2003.
  • Goh, K., B. Bret, T. Potter, and J. Gan. Pesticide Mitigation Strategies for Surface Water Quality. American Chemical Society Symposium Series 1075, American Chemical Society: Washington, DC, 2011.
  • Garrison, A.W., J. Gan, and W.P. Liu. Chiral Pesticides: Stereoselectivity and its Consequences. American Chemical Society Symposium Series 1085, American Chemical Society: Washington, D.C. 2012.

• Journal Articles (selected from 180+)

  • Gan, J., Q. Wang, S.R. Yates, W.C. Koskinen and W.A. Jury. 2002. Dechlorination of chloroacetanilide herbicides by thiosulfate salts. PNAS (USA) 99: 5189-5194.
  • Liu, W.P., J. Gan, D. Schlenk and W.A. Jury. 2005. Enantioselectivity in environmental safety of current chiral insecticides. PNAS (USA) 103: 701-706.
  • Yang, W.C., F. Spurlock, W.P. Liu, and J. Gan. 2006. Inhibition of aquatic toxicity of synthetic pyrethroids by suspended sediment. Environ. Toxicol. Chem. 25: 1913-1919.
  • Xu, Y.P., F. Spurlock, Z.J. Wang, and J. Gan. 2007. Comparison of five methods for measuring sediment toxicity of hydrophobic contaminants. Environ. Sci. Technol. 41: 8394-8399.
  • Hunter, W., Y. Yang, F. Reichenberg, P. Mayer, and J. Gan. 2009. Measuring pyrethroids in sediment porewater using matrix-solid phase microextraction. Environ. Toxicol. Chem. 28: 36-43.
  • Budd, R., A. O’Geen, K. Goh, S. Bondarenko, and J. Gan. 2009. Efficacy of constructed wetlands in pesticide removal from tailwaters in the Central Valley, California. Environ. Sci. Technol. 43: 2925-2930.
  • Bondarenko, S., and J. Gan. 2009. Simultaneous determination of free and total concentrations of hydrophobic compounds. Environ. Sci. Technol. 43: 3772-3777.
  • Yang, Y., W. Hunter, S. Tao, and J. Gan. 2009. Microbial availability of different forms of phenanthrene in soils. Environ. Sci. Technol. 43: 1852-1857.
  • Lin, K.D., W.P. Liu, and J. Gan. 2009. Oxidative removal of bisphenol-A with manganese dioxide: Kinetics, products, and pathways. Environ. Sci. Technol. 43: 3860-3864.
  • Cui, X.Y., W. Hunter, Y. Yang, Y.X. Chen, and J. Gan. 2010. Bioavailability of sorbed phenanthrene and permethrin in sediments to Chironomus tentans. Aquatic Toxicol. 98: 83-90
  • Delgao-Moreno, L., L. Wu, and J. Gan. 2010. Effect of dissolved organic carbon on sorption of pyrethroids to sediments. Environ. Sci. Technol. 44: 8473-8478.
  • Jiang, W., J. Gan, and D. Haver. 2011. Sorption and desorption of pyrethroid insecticide permethrin on concrete. Environ. Sci. Technol. 45: 602-607.
  • Wang, W., L. Moreno, Q.F. Ye, and J. Gan. 2011. Improved measurements of partition coefficients for polybrominated diphenyl ethers (PBDEs). Environ. Sci. Technol. 45: 1521-1527.
  • Gan, J., S. Bondarenko, L. Oki, D. Haver, and J.X. Li. 2012. Occurrence of fipronil and its biologically active derivatives in urban residential runoff. Environ. Sci. Technol. (In press)

Courses Taught:

• ENSC 127 - Fate and Transport of Contaminants in Soil (upper division)
• SWSC 204 - Environmental Organic Chemistry (graduate)
• ENTX 200 – Fate and Transport of Chemicals in the Environment (graduate; co-instructor)

Graduate Program Affiliations and Research Focus Areas:

• Research Focus Areas

  • Environmental Chemistry and Ecotoxicology
  • Soil and Water Sciences

• Programs

  • Environmental Sciences
  • Environmental Toxicology