Publications by authors named "Karl Jobst"

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Identification of micro-/nanoplastics in human placental blood using comprehensive multidimensional pyrolysis - gas chromatography x ion mobility mass spectrometry.
Justine R Bissonnette, Nikita E Harvey, Mikela L Rowsell, Sophie Kiefte, Kas J Houthuijs, Karl J Jobst

Anal Chim Acta· November 2025

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Distribution of semi-volatile organic compounds, metals, and biological activities in two industrialized cities in Ontario, Canada using passive air sampling.
Emmanuel C Tolefe, Robert Healy, Sonya Kleywegt, Andre J Simpson, Myrna J Simpson, Karl J Jobst

Environ Sci Process Impacts· November 2025

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Discovery of Fluorotelomer Sulfones in the Blubber of Greenland Killer Whales ().
Mélanie Z Lauria, Xiaodi Shi, Faiz Haque, Merle Plassmann, Anna Roos, Karl J Jobst

Environ Sci Technol Lett· September 2025

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NMR as a Discovery Tool: Exploration of Industrial Effluents Discharged Into the Environment.
Kiera Ronda, Jeremy Gauthier, Khanisha Singaravadivel, Peter M Costa, Katelyn Downey, Karl J Jobst

Magn Reson Chem· July 2025

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Do co-solvents used in exposure studies equally perturb the metabolic profile of Daphnia magna?
Salwa Hajir, Karl J Jobst, Sonya Kleywegt, André J Simpson, Myrna J Simpson

Environ Toxicol Chem· June 2025

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Exposing Halogenated Airborne Pollutants by Non-Targeted Screening of Passive Samplers Using Ion Mobility-Mass Spectrometry.
Xiaolei Li, Emmanuel C Tolefe, Robert M Healy, Frank L Dorman, Sonya Kleywegt, Karl J Jobst

Environ Sci Technol· June 2025

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Metabolomics identified distinct molecular-level responses in Daphnia magna after exposure to phenanthrene and its oxygen and nitrogen containing analogs.
Salwa Hajir, Karl J Jobst, Sonya Kleywegt, André J Simpson, Myrna J Simpson

Chemosphere· May 2025

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Contribution of Coal Tar Sources to Polycyclic Aromatic Compounds and Associated Ecological Risk in Lake Ontario Sediments: Inference from a Novel Marker.
Xue Zhang, Dave T Bowman, Miriam L Diamond, Paul Helm, Karl J Jobst

Environ Sci Technol· February 2025

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Comprehensive characterization of European house dust contaminants: Concentrations and profiles, geographical variability, and implications for chemical regulation and health risk.
Peter Haglund, Nikiforos A Alygizakis, Adrian Covaci, Lisa Melymuk, Pernilla Bohlin Nizzetto, Karl J Jobst

Sci Total Environ· December 2024

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Development of a Simple Cost Effective Oxygenation System for In Vivo Solution State NMR in 10 mm NMR Tubes.
Peter M Costa, Daniel H Lysak, Ronald Soong, Kiera Ronda, William W Wolff, Karl J Jobst

Anal Chem· August 2024

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Emerging contaminants: A One Health perspective.
Fang Wang, Leilei Xiang, Kelvin Sze-Yin Leung, Martin Elsner, Ying Zhang, Karl J Jobst

Innovation (Camb)· July 2024

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Why are -perfluoroalkanoate ions more mobile than expected? Implications for identifying an emerging environmental pollutant.
Karl J Jobst, Chloe Penney, Peter C Burgers

Chem Commun (Camb)· July 2024

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Metabolomic-Based Comparison of Daphnia magna and Japanese Medaka Responses After Exposure to Acetaminophen, Diclofenac, and Ibuprofen.
Erico A Oliveira Pereira, Theresa R Warriner, Denina B D Simmons, Karl J Jobst, André J Simpson

Environ Toxicol Chem· June 2024

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Differential impact of perfluorooctanoic acid and fluorotelomer ethoxylates on placental metabolism in mice.
Haley Adams, Jenna Hanrahan, Sophie Kiefte, Thomas O'Brien, Grace V Mercer, Karl J Jobst

Chemosphere· May 2024

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Toward Part-per-Million Precision in the Determination of an Ion's Collision Cross Section Using Multipass Cyclic Ion Mobility.
Olivia Critch-Doran, Kevin Jenkins, Mahin Hashemihedeshi, Alexander A Mommers, M Kirk Green, Karl J Jobst

J Am Soc Mass Spectrom· April 2024

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Size-Resolved Identification and Quantification of Micro/Nanoplastics in Indoor Air Using Pyrolysis Gas Chromatography-Ion Mobility Mass Spectrometry.
Mahin Hashemihedeshi, Ethan Haywood, Daniel C Gatch, Liisa Jantunen, Paul A Helm, Karl J Jobst

J Am Soc Mass Spectrom· February 2024

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Polystyrene micro- and nanoplastics cause placental dysfunction in mice†.
Katherine C Dibbon, Grace V Mercer, Alexandre S Maekawa, Jenna Hanrahan, Katherine L Steeves, Karl J Jobst

Biol Reprod· January 2024

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Metabolomics revealed disruptions in amino acid and antioxidant biochemistry in Daphnia magna exposed to industrial effluents associated with plastic and polymer production.
Erico A Oliveira Pereira, Lisa M Labine, Sonya Kleywegt, Karl J Jobst, André J Simpson

Environ Res· January 2024

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Bioaccumulative chemicals are either too hard or too soft: Conceptual density functional theory as a screening tool for emerging pollutants.
Xiaolei Li, James S M Anderson, Karl J Jobst

Environ Int· January 2024

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Maternal exposure to polyethylene micro- and nanoplastics impairs umbilical blood flow but not fetal growth in pregnant mice.
Jenna Hanrahan, Katherine L Steeves, Drew P Locke, Thomas M O'Brien, Alexandre S Maekawa, Karl J Jobst

Sci Rep· January 2024

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Maternal exposure to polystyrene nanoplastics alters fetal brain metabolism in mice.
Grace V Mercer, Nikita E Harvey, Katherine L Steeves, Céline M Schneider, John G Sled, Karl J Jobst

Metabolomics· November 2023

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Exploring Proton-Only NMR Experiments and Filters for Daphnia In Vivo: Potential and Limitations.
Kiera Ronda, Katelyn Downey, Amy Jenne, Monica Bastawrous, William W Wolff, Karl J Jobst

Molecules· June 2023

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Daphnia magna sub-lethal exposure to phthalate pollutants elicits disruptions in amino acid and energy metabolism.
Erico A Oliveira Pereira, Lisa M Labine, Sonya Kleywegt, Karl J Jobst, André J Simpson

Aquat Toxicol· April 2023

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Differentiating Toxic and Nontoxic Tricresyl Phosphate Isomers Using Ion-Molecule Reactions with Oxygen.
Roshanak Amiri, Meera J Bissram, Mahin Hashemihedeshi, Frank L Dorman, David Megson, Karl J Jobst

J Am Soc Mass Spectrom· April 2023

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Maternal exposure to polystyrene microplastics alters placental metabolism in mice.
Zahra Aghaei, Grace V Mercer, Céline M Schneider, John G Sled, Christopher K Macgowan, Karl J Jobst

Metabolomics· December 2022

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