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Denina Simmons

Associate Professor

Canada Research Chair (Tier II)


Faculty of Science

Research in aquatic toxicology using environmental 'omics for non-lethal biological effects monitoring. Teaching upper year Biology courses in Environmental Toxicology.

Contact information

Science Building - Room 2035
North Oshawa
2000 Simcoe Street North
Oshawa, ON L1G 0C5

905.721.8668 ext. 5310

Research topics

  • Environmental 'Omics
  • Aquatic Toxicology
  • Non-lethal Biological Sampling Methods
  • Bioinformatics

Areas of expertise

  • Non-targeted Liquid Chromatography Tandem High Resolution Mass Spectrometry
  • Proteomics
  • Metabolomics
  • Aquatic Toxicology


Dr. Simmons received her undergraduate degree from Ryerson University and then completed her master’s degree at Trent University under the supervision of Dr. Chris Metcalfe investigating the effects of personal care products on the estrogen receptor. Dr. Simmons continued her doctoral research at Trent under the supervision of Dr. Dirk Wallschälger and Dr. Neil Emery when she examined the metabolic detoxification of selenium by algae. Dr. Simmons completed two consecutive post-doctoral fellowships at Environment Canada working with Dr. James Sherry in the Aquatic Contaminants Research Division where she developed protein profiling and proteomics methods to investigate the health of fish. After that, Dr. Simmons had two consecutive contracts working on ‘Omics projects with the Ontario Ministry of Environment and Climate Change.


  • BSc Honours Ryerson University 2000
  • MSc Trent University 2005
  • PhD Trent University 2009

Courses taught

  • BIOL 4020 - Introduction to Environmental Toxicology
  • BIOL 4030 - Advanced Topics in Environmental Toxicology