Search Results - "Metcalfe, Chris. D."

Detection of selected tire wear compounds in urban receiving waters by Johannessen, Cassandra, Helm, Paul, Metcalfe, Chris D.

“…Road runoff is an important vector for the transport of chemicals originating from tire wear into receiving waters. In this study, samples of surface water…”
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The Tire Wear Compounds 6PPD-Quinone and 1,3-Diphenylguanidine in an Urban Watershed by Johannessen, Cassandra, Helm, Paul, Lashuk, Brent, Yargeau, Viviane, Metcalfe, Chris D.

“…Prompted by a recent report that 6PPD-quinone (6PPD-q), a by-product of a common tire manufacturing additive that is present in road runoff, is toxic to coho…”
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Assessing the effects of the antidepressant venlafaxine to fathead minnows exposed to environmentally relevant concentrations over a full life cycle by Parrott, Joanne L., Metcalfe, Chris D.

“…Venlafaxine is an antidepressant drug that has been detected in municipal wastewater effluents at low μg/L concentrations. To assess the potential of this…”
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Sampling in the Great Lakes for pharmaceuticals, personal care products, and endocrine-disrupting substances using the passive polar organic chemical integrative sampler by Li, Hongxia, Helm, Paul A., Metcalfe, Chris D.

“…The passive polar organic chemical integrative sampler in the pharmaceutical configuration (i.e., pharmaceutical‐POCIS) was calibrated for sampling at water…”
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Analysis of drugs of abuse in wastewater from two Canadian cities by Yargeau, Viviane, Taylor, Bryanne, Li, Hongxia, Rodayan, Angela, Metcalfe, Chris D.

“…Several drugs of abuse, including amphetamines, cocaine and its metabolite, benzoylecgonine and several opioid prescription drugs were detected in wastewater…”
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Analysis of paroxetine, fluoxetine and norfluoxetine in fish tissues using pressurized liquid extraction, mixed mode solid phase extraction cleanup and liquid chromatography–tandem mass spectrometry by Chu, Shaogang, Metcalfe, Chris D.

“…Recent studies have shown that selective serotonin reuptake inhibitors (SSRIs) such as fluoxetine are accumulated in the tissues of fish as a result of…”
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The effects of dissolved organic matter and pH on sampling rates for polar organic chemical integrative samplers (POCIS) by Li, Hongxia, Helm, Paul A., Paterson, Gordon, Metcalfe, Chris D.

“…► The sampling rates in POCIS for model pharmaceuticals, personal care products and endocrine disrupting compounds increased with pH for basic compounds,…”
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Simultaneous determination of triclocarban and triclosan in municipal biosolids by liquid chromatography tandem mass spectrometry by Chu, Shaogang, Metcalfe, Chris D.

“…A sensitive and accurate method was developed for the simultaneous determination of triclosan and triclocarban in sludge and treated biosolids from municipal…”
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Uptake and depuration of the anti-depressant fluoxetine by the Japanese medaka ( Oryzias latipes) by Paterson, Gordon, Metcalfe, Chris D.

“…The selective serotonin reuptake inhibitor (SSRI) class of anti-depressants is among the most widely prescribed groups of pharmaceuticals. Consequently,…”
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Reduction of pharmaceutically active compounds by a lagoon wetland wastewater treatment system in Southeast Louisiana by Conkle, Jeremy L., White, John R., Metcalfe, Chris D.

“…A number of pharmaceutically active compounds (PhACs) have been detected in the aquatic environment as a result of discharges of municipal wastewater. In the…”
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Occurrence of Antimicrobials in the Final Effluents of Wastewater Treatment Plants in Canada by Miao, Xiu-Sheng, Bishay, Farida, Chen, Mei, Metcalfe, Chris D

“…To investigate the occurrence of antimicrobials in the final effluents from wastewater treatment plants (WWTPs) in Canada, analytical methods were developed or…”
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Determination of Carbamazepine and Its Metabolites in Aqueous Samples Using Liquid Chromatography−Electrospray Tandem Mass Spectrometry by Miao, Xiu-Sheng, Metcalfe, Chris D

“…A quantitative method is described for solid-phase extraction (SPE) followed by liquid chromatography−tandem mass spectrometry (LC−MS/MS) for the simultaneous…”
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Carbamazepine and Its Metabolites in Wastewater and in Biosolids in a Municipal Wastewater Treatment Plant by Miao, Xiu-Sheng, Yang, Jian-Jun, Metcalfe, Chris D

“…Pharmaceutically active compounds (PhACs) are discharged into the environment from domestic wastewater treatment plants (WWTPs). In this study, we determined…”
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Distribution of acidic and neutral drugs in surface waters near sewage treatment plants in the lower Great Lakes, Canada by Metcalfe, Chris D., Miao, Xiu-Sheng, Koenig, Brenda G., Struger, John

“…Prescription and nonprescription drugs have been detected in rivers and streams in Europe and the United States. Sewage treatment plants (STPs) are an…”
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Controlled field evaluation of water flow rate effects on sampling polar organic compounds using polar organic chemical integrative samplers by Li, Hongxia, Vermeirssen, Etiënne L.M., Helm, Paul A., Metcalfe, Chris D.

“…The uptake of polar organic contaminants into polar organic chemical integrative samplers (POCIS) varies with environmental factors, such as water flow rate…”
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Chronic sublethal exposure to silver nanoparticles disrupts thyroid hormone signaling during Xenopus laevis metamorphosis by Carew, Amanda C., Hoque, M. Ehsanul, Metcalfe, Chris D., Peyrot, Caroline, Wilkinson, Kevin J., Helbing, Caren C.

“…•Silver nanoparticles (AgNPs) are commonly found in consumer products.•Frog tadpoles undergoing metamorphosis were exposed to low, sublethal…”
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Determination of cholesterol-lowering statin drugs in aqueous samples using liquid chromatography–electrospray ionization tandem mass spectrometry by Miao, Xiu-Sheng, Metcalfe, Chris D.

“…Cholesterol-lowering statin drugs are among the most frequently prescribed agents for reducing morbidity and mortality related to coronary heart disease. Four…”
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Carbon Nanotube Integrative Sampler (CNIS) for passive sampling of nanosilver in the aquatic environment by Shen, Li, Fischer, Jillian, Martin, Jonathan, Hoque, Md. Ehsanul, Telgmann, Lena, Hintelmann, Holger, Metcalfe, Chris D., Yargeau, Viviane

“…Nanomaterials such as nanosilver (AgNP) can be released into the aquatic environment through production, usage, and disposal. Sensitive and cost-effective…”
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Runoff of the Tire-Wear Compound, Hexamethoxymethyl-Melamine into Urban Watersheds by Johannessen, Cassandra, Helm, Paul, Metcalfe, Chris D.

“…Hexamethoxymethyl-melamine (HMMM) is used as a crosslinking agent in resins and plastics and in the manufacture of tires. In the present study, surface water…”
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The occurrence of tire wear compounds and their transformation products in municipal wastewater and drinking water treatment plants by Johannessen, Cassandra, Metcalfe, Chris D.

“…In the present study, 29 chemicals derived from tire wear were monitored by deploying Polar Organic Chemical Integrative Samplers (POCIS) in four WWTPs and two…”
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