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Jonathan K. Challis
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Microplastic contamination in lake Winnipeg, Canada
PJ Anderson, S Warrack, V Langen, JK Challis, ML Hanson, MD Rennie
Environmental pollution 225, 223-231, 2017
4222017
A critical assessment of the photodegradation of pharmaceuticals in aquatic environments: defining our current understanding and identifying knowledge gaps
JK Challis, ML Hanson, KJ Friesen, CS Wong
Environmental Science: Processes & Impacts 16 (4), 672-696, 2014
1882014
Development and calibration of an organic-diffusive gradients in thin films aquatic passive sampler for a diverse suite of polar organic contaminants
JK Challis, ML Hanson, CS Wong
Analytical chemistry 88 (21), 10583-10591, 2016
1592016
Acute toxicity of the tire rubber-derived chemical 6PPD-quinone to four fishes of commercial, cultural, and ecological importance
M Brinkmann, D Montgomery, S Selinger, JGP Miller, E Stock, AJ Alcaraz, ...
Environmental Science & Technology Letters 9 (4), 333-338, 2022
1212022
Quantum yields for direct photolysis of neonicotinoid insecticides in water: implications for exposure to nontarget aquatic organisms
Z Lu, JK Challis, CS Wong
Environmental Science & Technology Letters 2 (7), 188-192, 2015
1162015
Performance of a constructed wetland in Grand Marais, Manitoba, Canada: Removal of nutrients, pharmaceuticals, and antibiotic resistance genes from municipal wastewater
JC Anderson, JC Carlson, JE Low, JK Challis, CS Wong, CW Knapp, ...
Chemistry Central Journal 7, 1-15, 2013
1102013
Occurrences of tire rubber-derived contaminants in cold-climate urban runoff
JK Challis, H Popick, S Prajapati, P Harder, JP Giesy, K McPhedran, ...
Environmental Science & Technology Letters 8 (11), 961-967, 2021
1002021
Presence and hazards of nutrients and emerging organic micropollutants from sewage lagoon discharges into Dead Horse Creek, Manitoba, Canada
JC Carlson, JC Anderson, JE Low, P Cardinal, SD MacKenzie, SA Beattie, ...
Science of the total environment 445, 64-78, 2013
912013
Macrophytes may not contribute significantly to removal of nutrients, pharmaceuticals, and antibiotic resistance in model surface constructed wetlands
P Cardinal, JC Anderson, JC Carlson, JE Low, JK Challis, SA Beattie, ...
Science of the Total Environment 482, 294-304, 2014
882014
Aquatic photochemistry of the sulfonamide antibiotic sulfapyridine
JK Challis, JC Carlson, KJ Friesen, ML Hanson, CS Wong
Journal of photochemistry and photobiology a: chemistry 262, 14-21, 2013
732013
Field evaluation and in situ stress testing of the organic-diffusive gradients in thin-films passive sampler
JK Challis, KM Stroski, KH Luong, ML Hanson, CS Wong
Environmental science & technology 52 (21), 12573-12582, 2018
672018
Stability of pharmaceuticals and other polar organic compounds stored on polar organic chemical integrative samplers and solid‐phase extraction cartridges
JC Carlson, JK Challis, ML Hanson, CS Wong
Environmental toxicology and chemistry 32 (2), 337-344, 2013
632013
Wastewater sources of per-and polyfluorinated alkyl substances (PFAS) and pharmaceuticals in four Canadian Arctic communities
KM Stroski, KH Luong, JK Challis, LG Chaves-Barquero, ML Hanson, ...
Science of the total environment 708, 134494, 2020
562020
Inputs, source apportionment, and transboundary transport of pesticides and other polar organic contaminants along the lower Red River, Manitoba, Canada
JK Challis, LD Cuscito, S Joudan, KH Luong, CW Knapp, ML Hanson, ...
Science of the total environment 635, 803-816, 2018
492018
The influence of pH on sampler uptake for an improved configuration of the organic-diffusive gradients in thin films passive sampler
KM Stroski, JK Challis, CS Wong
Analytica chimica acta 1018, 45-53, 2018
462018
Exposure to the Tire Rubber-Derived Contaminant 6PPD-Quinone Causes Mitochondrial Dysfunction In Vitro
H Mahoney, FC da Silva Junior, C Roberts, M Schultz, X Ji, AJ Alcaraz, ...
Environmental Science & Technology Letters 9 (9), 765-771, 2022
452022
An introduction to the benchmarking and publications for non-targeted analysis working group
BJ Place, EM Ulrich, JK Challis, A Chao, B Du, K Favela, YL Feng, ...
Analytical chemistry 93 (49), 16289-16296, 2021
352021
Pharmaceuticals and pesticides archived on polar passive sampling devices can be stable for up to 6 years
JK Challis, ML Hanson, CS Wong
Environmental toxicology and chemistry 37 (3), 762-767, 2018
322018
Calibration of organic-diffusive gradients in thin films (o-DGT) passive samplers for perfluorinated alkyl acids in water
P Wang, JK Challis, KH Luong, TC Vera, CS Wong
Chemosphere 263, 128325, 2021
302021
Rapid transition between SARS-CoV-2 variants of concern Delta and Omicron detected by monitoring municipal wastewater from three Canadian cities
FF Oloye, Y Xie, M Asadi, J Cantin, JK Challis, M Brinkmann, ...
Science of the Total Environment 841, 156741, 2022
252022
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