Menu UF Health Home Menu

B. Sumith Jayasinghe, Ph.D.

Postdoctoral ResearcherSumith Jayasinghe

Office: CEHT-Building 471, Room 36

Phone: (352) 392-2243



Current Research Interests

  • Application of in vitro bioassays (bio analytical screening assays) for screening of water quality
  • Use of molecular biomarkers and micro array techniques to evaluate changes in gene expression in fish exposed to environmental contaminants
  • Studying the mechanisms of xenobiotic-induced developmental toxicity
  • Environmental analytical chemistry


  • PhD in Environmental Health Sciences, Department of Environmental Health Sciences, The Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA (2012)
  • Master of Philosophy (M. Phil.) in Biochemistry, Department of Biochemistry, Faculty of Medical Sciences, University of Sri Jayewardenepura, Sri Lanka (2006)
  • B. Sc. Degree in Biological Science (1999), Faculty of Applied Science, University of Sri Jayewardenepura, Sri Lanka (1999)

Selected Publications

  • Escher BI, Allinson M, Altenburger R, Bain PA, Balaguer P, Busch W, Crago J, Denslow ND, Dopp E, Hilscherova K, Humpage AR, Kumar A, Grimaldi M, Jayasinghe BS, Jarosova B, Jia A, Makarov S, Maruya KA, Medvedev A, Mehinto AC, Mendez JE, Poulsen A, Prochazka E, Richard J, Schifferli A, Schlenk D, Scholz S, Shiraishi F, Snyder S, Su G, Tang JY, Burg Bv, Linden SC, Werner I, Westerheide SD, Wong CK, Yang M, Yeung BH, Zhang X, Leusch FD. 2014. Benchmarking organic micropollutants in wastewater, recycled water and drinking water with in vitro bioassays. Environ Sci Technol., 48(3):1940-1956.
  • Kashiwada S, Ariza M, Kawaguchi T, Nakagame Y, Jayasinghe BS,  Gärtner K, Nakamura H, Kagami Y, Sabo-Attwood T, Ferguson L, Chandler T. 2012. Silver nano-colloids disrupt medaka embryogenesis through vital gene expressions. Environ. Sci. Technol., 46 (11), 6278–6287.
  • Jayasinghe BS, Volz DC. 2012. Aberrant ligand-induced activation of G-protein-coupled estrogen receptor 1 (GPER) results in developmental malformations during vertebrate embryogenesis. Toxicol. Sci. 125(1), 262-273.