Search Results - "Wong, Charles S."

A review of methods for measuring microplastics in aquatic environments by Mai, Lei, Bao, Lian-Jun, Shi, Lei, Wong, Charles S., Zeng, Eddy Y.

“…An increasing number of reports have been published concerning microplastic (MP) pollution in aquatic environments. Methods used in these studies continue to…”
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Stereoselective Formation of Mono- and Dihydroxylated Polychlorinated Biphenyls by Rat Cytochrome P450 2B1 by Lu, Zhe, Kania-Korwel, Izabela, Lehmler, Hans-Joachim, Wong, Charles S

“…Changes in atropisomer composition of chiral polychlorinated biphenyls (PCBs) and their mono- and dihydroxylated metabolites (OH- and diOH-PCBs) via rat…”
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A critical assessment of the photodegradation of pharmaceuticals in aquatic environments: defining our current understanding and identifying knowledge gaps by Challis, Jonathan K, Hanson, Mark L, Friesen, Ken J, Wong, Charles S

“…This work presents a critical assessment of the state and quality of knowledge around the aquatic photochemistry of human- and veterinary-use pharmaceuticals…”
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Sediment Records of Polycyclic Aromatic Hydrocarbons (PAHs) in the Continental Shelf of China: Implications for Evolving Anthropogenic Impacts by Liu, Liang-Ying, Wang, Ji-Zhong, Wei, Gao-Ling, Guan, Yu-Feng, Wong, Charles S, Zeng, Eddy Y

“…Sources, compositions, and historical records of polycyclic aromatic hydrocarbons (PAHs) in sediment cores collected from the Yellow Sea and the South China…”
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Inputs, source apportionment, and transboundary transport of pesticides and other polar organic contaminants along the lower Red River, Manitoba, Canada by Challis, Jonathan K., Cuscito, Leah D., Joudan, Shira, Luong, Kim H., Knapp, Charles W., Hanson, Mark L., Wong, Charles S.

“…The Red River originates in the U.S., drains into Lake Winnipeg, and is a significant pathway for nutrients. We investigate its role as a source for…”
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Factors Affecting Phase I Stereoselective Biotransformation of Chiral Polychlorinated Biphenyls by Rat Cytochrome P-450 2B1 Isozyme by Lu, Zhe, Wong, Charles S

“…In vitro incubations of rat cytochrome P-450 (CYP) 2B1 isozyme with three chiral polychlorinated biphenyl (PCB) congeners (PCBs 45, 95, and 132) were performed…”
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Isomer-Specific Biotransformation of Perfluorooctane Sulfonamide in Sprague–Dawley Rats by Ross, Matthew S, Wong, Charles S, Martin, Jonathan W

“…Great variability exists in perfluorooctane sulfonate (PFOS) isomer patterns in human and wildlife samples, including unexpectedly high percentages (e.g.,…”
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Chiral Polychlorinated Biphenyl Transport, Metabolism, and Distribution: A Review by Lehmler, Hans-Joachim, Harrad, Stuart J, Hühnerfuss, Heinrich, Kania-Korwel, Izabela, Lee, Cindy M, Lu, Zhe, Wong, Charles S

“…Chirality can be exploited to gain insight into enantioselective fate processes that may otherwise remain undetected because only biological, but not physical…”
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Calculated respiratory exposure to indoor size-fractioned polycyclic aromatic hydrocarbons in an urban environment by Zhang, Kai, Zhang, Bao-Zhong, Li, Shao-Meng, Wong, Charles S., Zeng, Eddy Y.

“…Polycyclic aromatic hydrocarbons (PAHs) associated with inhalable particles are harmful to human health, especially to people in urban indoor environments. To…”
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Developing Unique Nontarget High-Resolution Mass Spectrometry Signatures to Track Contaminant Sources in Urban Waters by Du, Bowen, Tian, Zhenyu, Peter, Katherine T, Kolodziej, Edward P, Wong, Charles S

“…Diffuse pollution in urban receiving waters often adversely impacts both humans and ecosystems. Identifying such pollution sources is challenging and limits…”
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Chiral Polychlorinated Biphenyls Are Biotransformed Enantioselectively by Mammalian Cytochrome P-450 Isozymes to Form Hydroxylated Metabolites by Warner, Nicholas A, Martin, Jonathan W, Wong, Charles S

“…In vitro incubations of purified rat cytochrome P-450 (CYP) 2B1 and human CYP 2B6 were performed to determine if CYP isozymes biotransform polychlorinated…”
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Perfluorooctane sulfonate toxicity, isomer-specific accumulation, and maternal transfer in zebrafish (Danio rerio) and rainbow trout (Oncorhynchus mykiss) by Sharpe, Rainie L., Benskin, Jonathan P., Laarman, Anne H., MacLeod, Sherri L., Martin, Jonathan W., Wong, Charles S., Goss, Greg G.

“…Perfluorooctane sulfonate (PFOS; C8F17SO 3−) bioaccumulation and toxicity have been demonstrated in both aquatic and terrestrial organisms. The majority of…”
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Interaction of toxic chemicals with microplastics: A critical review by Wang, Fen, Wong, Charles S., Chen, Da, Lu, Xingwen, Wang, Fei, Zeng, Eddy Y.

“…Occurrence of microplastics (MPs) in the environment has attracted great attention as it has become a global concern. This review aims to systematically…”
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Enantioselective accumulation of chiral polychlorinated biphenyls in lotus plant (Nelumbonucifera spp.) by Dai, Shouhui, Wong, Charles S., Qiu, Jing, Wang, Min, Chai, Tingting, Fan, Li, Yang, Shuming

“…•Enantioselective accumulation of chiral PCBs in lotus plants was investigated.•The atropisomeric optical rotation of PCBs 91 and 95 were…”
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Enantiospecific Perfluorooctane Sulfonate (PFOS) Analysis Reveals Evidence for the Source Contribution of PFOS-Precursors to the Lake Ontario Foodweb by Asher, Brian J, Wang, Yuan, De Silva, Amila O, Backus, Sean, Muir, Derek C. G, Wong, Charles S, Martin, Jonathan W

“…Exposure to perfluorooctane sulfonate (PFOS) may arise directly, from emission and exposure to PFOS itself, or indirectly via the environmental release and…”
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Presence of antibiotic resistance genes in the receiving environment of Iqaluit's wastewater treatment plant in water, sediment, and clams sampled from Frobisher Bay, Nunavut: a preliminary study in the Canadian Arctic by Starks, Madeleine, Schaefer, Christina M., Jeffries, Kenneth M., Deslauriers, David, Luong, Kim Hoang, Wong, Charles S., Hanson, Mark L., Knapp, Charles W.

“…Antibiotic resistance (AR) is a growing health concern worldwide and the Arctic represents an understudied region in terms of AR. This study aimed to quantify…”
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How to establish detection limits for environmental microplastics analysis by Lao, Wenjian, Wong, Charles S.

“…Establishing analytical detection limits is crucial. Common methods to do so are suitable only for variables with continuous distributions. Because count data…”
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Distribution and fate of pharmaceuticals and their metabolite conjugates in a municipal wastewater treatment plant by Brown, Alistair K., Wong, Charles S.

“…Some pharmaceutical conjugates can be excreted into wastewaters at levels rivalling those of the parent compounds; however, little is known about this…”
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Development and Calibration of an Organic-Diffusive Gradients in Thin Films Aquatic Passive Sampler for a Diverse Suite of Polar Organic Contaminants by Challis, Jonathan K, Hanson, Mark L, Wong, Charles S

“…A unique configuration of the diffusive gradients in thin films sampler for polar organics (o-DGT) without a poly­(ether sulfone) membrane was developed,…”
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Tracking chiral polychlorinated biphenyl sources near a hazardous waste incinerator: Fresh emissions or weathered revolatilization? by Asher, Brian J., Ross, Matthew S., Wong, Charles S.

“…The Swan Hills Treatment Centre (SHTC), located in central Alberta, is the primary facility in Canada for incinerating polychlorinated biphenyls (PCBs). Past…”
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