Helm, Paul A.

Sources and sinks of microplastics in Canadian Lake Ontario nearshore, tributary and beach sediments

Ballent, A., Corcoran, P. L., Madden, O., Helm, P. A., & Longstaffe, F. J. (2016) · Marine Pollution Bulletin

Microplastics and Plastic PollutionPharmaceutical and Antibiotic Environmental Impacts

Cited by 700

Microplastics entering northwestern Lake Ontario are diverse and linked to urban sources

Grbić, J., Helm, P., Athey, S., & Rochman, C. M. (2020) · Water Research

Microplastics and Plastic PollutionPharmaceutical and Antibiotic Environmental Impacts

Cited by 407

Sampling and Quality Assurance and Quality Control: A Guide for Scientists Investigating the Occurrence of Microplastics Across Matrices

Brander, S. M., Renick, V. C., Foley, M. M., Steele, C., Woo, M., Lusher, A., Carr, S., Helm, P., Box, C., Cherniak, S., et al. (2020) · Applied Spectroscopy

Microplastics and Plastic PollutionAnalytical chemistry methods development

Cited by 389

The Tire Wear Compounds 6PPD-Quinone and 1,3-Diphenylguanidine in an Urban Watershed

Johannessen, C., Helm, P., Lashuk, B., Yargeau, V., & Metcalfe, C. D. (2022) · Archives of Environmental Contamination and Toxicology

Urban Stormwater Management SolutionsToxic Organic Pollutants Impact

Cited by 313

Evidence of Microplastic Translocation in Wild-Caught Fish and Implications for Microplastic Accumulation Dynamics in Food Webs

McIlwraith, H. K., Kim, J., Helm, P., Bhavsar, S. P., Metzger, J. S., & Rochman, C. M. (2021) · Environmental Science & Technology

Microplastics and Plastic PollutionEnvironmental Toxicology and Ecotoxicology

Cited by 295

Detection of selected tire wear compounds in urban receiving waters

Johannessen, C., Helm, P., & Metcalfe, C. D. (2021) · Environmental Pollution

Urban Stormwater Management SolutionsPharmaceutical and Antibiotic Environmental Impacts

Cited by 259

Organophosphate Ester Transport, Fate, and Emissions in Toronto, Canada, Estimated Using an Updated Multimedia Urban Model

Rodgers, T. F. M., Truong, J. W., Jantunen, L. M., Helm, P. A., & Diamond, M. L. (2018) · Environmental Science & Technology

Toxic Organic Pollutants ImpactPer- and polyfluoroalkyl substances research

Cited by 111

Microplastic contamination in Great Lakes fish

Munno, K., Helm, P. A., Rochman, C., George, T., & Jackson, D. A. (2022) · Conservation Biology

Microplastics and Plastic PollutionEnvironmental Toxicology and Ecotoxicology

Cited by 102

Fate, distribution, and contrasting temporal trends of perfluoroalkyl substances (PFASs) in Lake Ontario, Canada

Myers, A. L., Crozier, P. W., Helm, P. A., Brimacombe, C., Furdui, V. I., Reiner, E. J., Burniston, D., & Marvin, C. H. (2012) · Environment International

Per- and polyfluoroalkyl substances researchToxic Organic Pollutants Impact

Cited by 87

Runoff of the Tire-Wear Compound, Hexamethoxymethyl-Melamine into Urban Watersheds

Johannessen, C., Helm, P., & Metcalfe, C. D. (2022) · Archives of Environmental Contamination and Toxicology

Urban Stormwater Management SolutionsPharmaceutical and Antibiotic Environmental Impacts

Cited by 66

Application of a comprehensive extraction technique for the determination of poly- and perfluoroalkyl substances (PFASs) in Great Lakes Region sediments

Guo, R., Megson, D., Myers, A. L., Helm, P. A., Marvin, C., Crozier, P., Mabury, S., Bhavsar, S. P., Tomy, G., Simcik, M., et al. (2016) · Chemosphere

Per- and polyfluoroalkyl substances researchFluorine in Organic Chemistry

Cited by 58

No evidence of spherical microplastics (10–300 μm) translocation in adult rainbow trout (Oncorhynchus mykiss) after a two-week dietary exposure

Kim, J., Poirier, D. G., Helm, P. A., Bayoumi, M., & Rochman, C. M. (2020) · PLOS ONE

Microplastics and Plastic PollutionEnvironmental Toxicology and Ecotoxicology

Cited by 46

Local Monitoring Should Inform Local Solutions: Morphological Assemblages of Microplastics Are Similar within a Pathway, But Relative Total Concentrations Vary Regionally

Rochman, C. M., Grbic, J., Earn, A., Helm, P. A., Hasenmueller, E. A., Trice, M., Munno, K., De Frond, H., Djuric, N., Santoro, S., et al. (2022) · Environmental Science & Technology

Microplastics and Plastic PollutionPharmaceutical and Antibiotic Environmental Impacts

Cited by 29

Reductions of Plastic Microbeads from Personal Care Products in Wastewater Effluents and Lake Waters Following Regulatory Actions

Akhbarizadeh, R., Yu, J. T., Ead, L., Nicholls, E., Thibeau, J., Lanisa, M., Wakai, M., Marquez, A., Miller, C., Sims, A., et al. (2024) · ACS ES&T Water

Microplastics and Plastic PollutionPharmaceutical and Antibiotic Environmental Impacts

Cited by 28

Source-specific categorization of microplastics in nearshore surface waters of the Great Lakes

Yu, J. T., Helm, P. A., & Diamond, M. L. (2024) · Journal of Great Lakes Research

Microplastics and Plastic PollutionPharmaceutical and Antibiotic Environmental Impacts

Cited by 28

Microplastics and Anthropogenic Particles in Recreationally Caught Freshwater Fish from an Urbanized Region of the North American Great Lakes

Milne, M. H., Helm, P. A., Munno, K., Bhavsar, S. P., & Rochman, C. M. (2024) · Environmental Health Perspectives

Microplastics and Plastic PollutionPharmaceutical and Antibiotic Environmental Impacts

Cited by 20