Sonya M. Kleywegt

Technical Assessment And Standards Development Branch, Conservation And Parks
Toronto, ON, Canada

Last Updated: 09/26/2026

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Found 28 publications

Making NMR analysis of intact atmospheric samples more feasible: Comprehensive multiphase 1H/13C NMR analysis of air particles collected on electrostatic plates.

Making NMR analysis of intact atmospheric samples more feasible: Comprehensive multiphase 1H/13C NMR analysis of air particles collected on electrostatic plates.

Journal: Journal of magnetic resonance (San Diego, Calif. : 1997)

Published: May 29, 2026

Early warning signs: Applications of in vivo NMR spectroscopy to understand the impacts of industrial effluents.

Early warning signs: Applications of in vivo NMR spectroscopy to understand the impacts of industrial effluents.

Journal: Aquatic toxicology (Amsterdam, Netherlands)

Published: April 22, 2026

Distribution of semi-volatile organic compounds, metals, and biological activities in two industrialized cities in Ontario, Canada using passive air sampling.

Distribution of semi-volatile organic compounds, metals, and biological activities in two industrialized cities in Ontario, Canada using passive air sampling.

Journal: Environmental science. Processes & impacts

Published: October 22, 2025

Exposing Halogenated Airborne Pollutants by Non-Targeted Screening of Passive Samplers Using Ion Mobility-Mass Spectrometry.

Exposing Halogenated Airborne Pollutants by Non-Targeted Screening of Passive Samplers Using Ion Mobility-Mass Spectrometry.

Journal: Environmental science & technology

Published: May 20, 2025

Synthesis and Toxicity Evaluation of p-Phenylenediamine-Quinones.

Synthesis and Toxicity Evaluation of p-Phenylenediamine-Quinones.

Journal: Environmental science & technology

Published: April 08, 2025

NMR as a Discovery Tool: Exploration of Industrial Effluents Discharged Into the Environment.

NMR as a Discovery Tool: Exploration of Industrial Effluents Discharged Into the Environment.

Journal: Magnetic resonance in chemistry : MRC

Published: March 18, 2025

Contribution of Coal Tar Sources to Polycyclic Aromatic Compounds and Associated Ecological Risk in Lake Ontario Sediments: Inference from a Novel Marker.

Contribution of Coal Tar Sources to Polycyclic Aromatic Compounds and Associated Ecological Risk in Lake Ontario Sediments: Inference from a Novel Marker.

Journal: Environmental science & technology

Published: January 27, 2025

Metabolomics identified distinct molecular-level responses in Daphnia magna after exposure to phenanthrene and its oxygen and nitrogen containing analogs.

Metabolomics identified distinct molecular-level responses in Daphnia magna after exposure to phenanthrene and its oxygen and nitrogen containing analogs.

Journal: Chemosphere

Published: November 19, 2024

Do co-solvents used in exposure studies equally perturb the metabolic profile of Daphnia magna?

Do co-solvents used in exposure studies equally perturb the metabolic profile of Daphnia magna?

Journal: Environmental toxicology and chemistry

Published: July 22, 2024

Metabolomics revealed disruptions in amino acid and antioxidant biochemistry in Daphnia magna exposed to industrial effluents associated with plastic and polymer production.

Metabolomics revealed disruptions in amino acid and antioxidant biochemistry in Daphnia magna exposed to industrial effluents associated with plastic and polymer production.

Journal: Environmental research

Published: August 16, 2023

Industrial sources of per- and polyfluoroalkyl substances (PFAS) to a sewershed in Ontario, Canada.

Industrial sources of per- and polyfluoroalkyl substances (PFAS) to a sewershed in Ontario, Canada.

Journal: Environmental science and pollution research international

Published: May 15, 2023

Environmental metabolomics uncovers oxidative stress, amino acid dysregulation, and energy impairment in Daphnia magna with exposure to industrial effluents.

Environmental metabolomics uncovers oxidative stress, amino acid dysregulation, and energy impairment in Daphnia magna with exposure to industrial effluents.

Journal: Environmental research

Published: March 29, 2023

Showing 1-12 of 28

Last Updated: 09/26/2026