|Microplastic contamination in lake Winnipeg, Canada|
PJ Anderson, S Warrack, V Langen, JK Challis, ML Hanson, MD Rennie
Environmental pollution 225, 223-231, 2017
|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
|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
|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
|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), 1-15, 2013
|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
|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
|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
|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
|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
|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
|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
|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
|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
|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
|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
|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
|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
|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
|Performance of the organic-diffusive gradients in thin-films passive sampler for measurement of target and suspect wastewater contaminants|
JK Challis, XO Almirall, PA Helm, CS Wong
Environmental Pollution 261, 114092, 2020