Marie DeLorenzo

NOAA/National Ocean Service, Center for Coastal Environmental Health and Biomolecular Research

Address: 219 Fort Johnson Road, Charleston, SC 29412
Phone: 843.460.9685


Ph.D., 1997, Clemson University
M.S., 1994, Penn State University

Research Interests

  • Environmental toxicology, physiology, and microbiology

Current and planned research projects

  • effects and mechanisms of pesticide toxicity on estuarine organisms
  • toxicity effects of and development of antibiotic resistant bacteria resulting from pharmaceuticals and personal care products in the environment
  • effects of climate variations on contaminant toxicity
  • effects of oil and oil spill dispersants on estuarine organisms


  • Baxter, S.E., DeLorenzo, M.E., Key, P.B., Chung, K.W., Beckingham, B., Fulton, M.H. (2018) Toxicity Comparison of the Shoreline Cleaners Accell Clean® and PES-51® in Two Life Stages of the Grass Shrimp, Palaemonetes pugio. Accepted 1/22/18, Environ Sci Poll Res (DOI: 10.1007/s11356-018-1370-2)
  • DeLorenzo, M.E., Evans, B., Chung, K.W., Key, P.B., Fulton, M.H. 2017. Effects of Salinity on Oil Dispersant Toxicity in the Mud Snail, Ilyannasa obsoleta. Environ Sci Poll Res 24(26):21476-21483. DOI 10.1007/s11356-017-9784-9)+
  • DeLorenzo, M.E., Key, P.B., Chung, K.W., Pisarski, E., Shaddrix, B., Moore, J.G., Wirth, E.F., Pennington, P.L., Wade, J., Franco, M., Fulton, M.H. 2017. Comparative Toxicity of Two Chemical Dispersants and Dispersed Oil in Estuarine Organisms. Arch Environ Contam Toxicol. 74(3): 414-430. DOI 10.1007/s00244-017-0430-9
  • Frometa, J., DeLorenzo, M.E., Pisarski, E.C., Etnoyer, P.J. 2017. Toxicity of oil and dispersant on the deep water gorgonian octocoral Swiftia exserta, with implications for the effects of the Deepwater Horizon oil spill. Mar Poll Bull.  122:91-99.
  • DeLorenzo, M.E., Eckmann, C.A., Chung, K.W., Key, P.B., Fulton, M.H. 2016. Effects of salinity on oil dispersant toxicity in the grass shrimp, Palaemonetes pugio. Ecotoxicology and Environmental Safety. 134:256–263.