Search Results - "Provencher, Gilles"

Exposure to free and conjugated forms of bisphenol A and triclosan among pregnant women in the MIREC cohort by Arbuckle, Tye E, Marro, Leonora, Davis, Karelyn, Fisher, Mandy, Ayotte, Pierre, Bélanger, Patrick, Dumas, Pierre, LeBlanc, Alain, Bérubé, René, Gaudreau, Éric, Provencher, Gilles, Faustman, Elaine M, Vigoren, Eric, Ettinger, Adrienne S, Dellarco, Michael, MacPherson, Susan, Fraser, William D

“…Bisphenol A (BPA) and triclosan (TCS) are two nonpersistent chemicals that have been frequently measured in spot urine samples from the general population but…”
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Bisphenol A and phthalate metabolite urinary concentrations: Daily and across pregnancy variability by Fisher, Mandy, Arbuckle, Tye E, Mallick, Ranjeeta, LeBlanc, Alain, Hauser, Russ, Feeley, Mark, Koniecki, Diane, Ramsay, Tim, Provencher, Gilles, Bérubé, René, Walker, Mark

“…Phthalates and bisphenol A (BPA) are high production volume and ubiquitous chemicals that are quickly metabolized in the body. Traditionally, studies have…”
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Determination of glyphosate, glufosinate and their major metabolites in urine by the UPLC-MS/MS method applicable to biomonitoring and epidemiological studies by Bienvenu, Jean-François, Bélanger, Patrick, Gaudreau, Éric, Provencher, Gilles, Fleury, Normand

“…The preoccupation concerning glyphosate (GLYP) has rapidly grown over recent years, and the availability of genetically modified crops that are resistant to…”
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Direct LC-MS/MS and indirect GC–MS/MS methods for measuring urinary bisphenol A concentrations are comparable by Ashley-Martin, Jillian, Gaudreau, Éric, Dumas, Pierre, Liang, Chun Lei, Logvin, Agata, Bélanger, Patrick, Provencher, Gilles, Gagne, Sebastien, Foster, Warren, Lanphear, Bruce, Arbuckle, Tye E.

“…Bisphenol A (BPA) is typically measured in urine using an indirect method that involves enzymatic deconjugation and extraction. In contrast, the direct method…”
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Maternal and early life exposure to phthalates: The Plastics and Personal-care Products use in Pregnancy (P4) study by Arbuckle, Tye E., Fisher, Mandy, MacPherson, Susan, Lang, Carly, Provencher, Gilles, LeBlanc, Alain, Hauser, Russ, Feeley, Mark, Ayotte, Pierre, Neisa, Angelica, Ramsay, Tim, Tawagi, George

“…Phthalates are a group of chemicals found in a number of consumer products; some of these phthalates have been shown to possess estrogenic activity and display…”
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New approach for the determination of ortho-phenylphenol exposure by measurement of sulfate and glucuronide conjugates in urine using liquid chromatography-tandem mass spectrometry by Bérubé, René, Bélanger, Patrick, Bienvenu, Jean-François, Dumas, Pierre, Provencher, Gilles, Gaudreau, Éric, Fleury, Normand

“…Ortho -phenylphenol (OPP) has been widely used as a fungicide and preservative. Although low-dose studies have demonstrated its low toxicity in animals and…”
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Descriptive analysis of organophosphate ester metabolites in a pan-Canadian pregnancy cohort by Ashley-Martin, Jillian, MacPherson, Susan, Zhao, Zhao, Gaudreau, Éric, Provencher, Gilles, Fisher, Mandy, Borghese, Michael M., Bouchard, Maryse F., Booij, Linda, Arbuckle, Tye E.

“…Organophosphate esters (OPEs) are widely used in numerous consumer products for their flame retardant and plasticizing properties. Despite potential widespread…”
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Determination of bisphenol A, triclosan and their metabolites in human urine using isotope-dilution liquid chromatography–tandem mass spectrometry by Provencher, Gilles, Bérubé, René, Dumas, Pierre, Bienvenu, Jean-François, Gaudreau, Éric, Bélanger, Patrick, Ayotte, Pierre

“…•LC–MS/MS methods were developed for bisphenol A (BPA) and triclosan (TCS) in urine.•Isotope dilution was used for accurate quantification of free and…”
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Measurement of 24 phthalate metabolites in 1st trimester urine samples: The MIREC study by Arbuckle, Tye E., Gaudreau, Éric, MacPherson, Susan, Kabasakal, Muzeyyen, Borghese, Michael M., Fisher, Mandy, Bouchard, Maryse F., Foster, Warren, Ashley-Martin, Jillian, Provencher, Gilles

“…Phthalates are non-persistent chemicals measured as metabolites in urine. Over time, new metabolites have been identified. In the original Maternal-Infant…”
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Standardized Procedure for the Simultaneous Determination of the Matrix Effect, Recovery, Process Efficiency, and Internal Standard Association by Bienvenu, Jean-François, Provencher, Gilles, Bélanger, Patrick, Bérubé, René, Dumas, Pierre, Gagné, Sébastien, Gaudreau, Éric, Fleury, Normand

“…The matrix effects (MEs) on the quantification of an analyte can be significant and should not be neglected during development and validation of an analytical…”
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