Craig M Butt

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. doi request reprint Levels and trends of poly- and perfluorinated compounds in the arctic environment
    Craig M Butt
    Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
    Sci Total Environ 408:2936-65. 2010
  2. ncbi request reprint Spatial trends of perfluoroalkyl compounds in ringed seals (Phoca hispida) from the Canadian Arctic
    Craig M Butt
    Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
    Environ Toxicol Chem 27:542-53. 2008
  3. ncbi request reprint Prevalence of long-chained perfluorinated carboxylates in seabirds from the Canadian Arctic between 1975 and 2004
    Craig M Butt
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
    Environ Sci Technol 41:3521-8. 2007
  4. doi request reprint Elucidating the pathways of poly- and perfluorinated acid formation in rainbow trout
    Craig M Butt
    Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
    Environ Sci Technol 44:4973-80. 2010
  5. doi request reprint Biotransformation of the 8:2 fluorotelomer acrylate in rainbow trout. 2. In vitro incubations with liver and stomach S9 fractions
    Craig M Butt
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
    Environ Toxicol Chem 29:2736-41. 2010
  6. doi request reprint Biotransformation of the 8:2 fluorotelomer acrylate in rainbow trout. 1. In vivo dietary exposure
    Craig M Butt
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
    Environ Toxicol Chem 29:2726-35. 2010
  7. ncbi request reprint Biotransformation pathways of fluorotelomer-based polyfluoroalkyl substances: a review
    Craig M Butt
    Department of Chemistry, University of Toronto, Ontario, Canada
    Environ Toxicol Chem 33:243-67. 2014
  8. ncbi request reprint Spatial distribution of perfluoroalkyl contaminants in lake trout from the Great Lakes
    Vasile I Furdui
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6
    Environ Sci Technol 41:1554-9. 2007
  9. doi request reprint Atmospheric chemistry of 4:2 fluorotelomer acrylate [C4F9CH2CH2OC(O)CH=CH2]: kinetics, mechanisms, and products of chlorine-atom- and OH-radical-initiated oxidation
    Craig M Butt
    Department of Chemistry, 80 St George Street, University of Toronto, Toronto, Ontario, Canada M5S 3H6
    J Phys Chem A 113:3155-61. 2009
  10. doi request reprint Cellular toxicity associated with exposure to perfluorinated carboxylates (PFCAs) and their metabolic precursors
    Amy A Rand
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
    Chem Res Toxicol 27:42-50. 2014

Detail Information

Publications11

  1. doi request reprint Levels and trends of poly- and perfluorinated compounds in the arctic environment
    Craig M Butt
    Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
    Sci Total Environ 408:2936-65. 2010
    ..In contrast, ringed seals and polar bears from Greenland continue to show increasing PFOS concentrations. The inconsistent temporal trends between regions may be representative of differences in emissions from source regions...
  2. ncbi request reprint Spatial trends of perfluoroalkyl compounds in ringed seals (Phoca hispida) from the Canadian Arctic
    Craig M Butt
    Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
    Environ Toxicol Chem 27:542-53. 2008
    ..After adjusting for delta13C values, concentrations of most PFCs generally were statistically greater in the Grise Fiord, Qikiqtarjuaq, Arviat, and Nain populations...
  3. ncbi request reprint Prevalence of long-chained perfluorinated carboxylates in seabirds from the Canadian Arctic between 1975 and 2004
    Craig M Butt
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
    Environ Sci Technol 41:3521-8. 2007
    ..Finally, the detection of the 8:2 and 10:2 FTUCAs in seabirds is suggestive of fluorotelomer alcohols as a source of some PFCAs...
  4. doi request reprint Elucidating the pathways of poly- and perfluorinated acid formation in rainbow trout
    Craig M Butt
    Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
    Environ Sci Technol 44:4973-80. 2010
    ..Alternatively PFOA could be formed directly through the beta-oxidation of the 7:3 beta-keto acid...
  5. doi request reprint Biotransformation of the 8:2 fluorotelomer acrylate in rainbow trout. 2. In vitro incubations with liver and stomach S9 fractions
    Craig M Butt
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
    Environ Toxicol Chem 29:2736-41. 2010
    ..These trends demonstrate the potential for considerable extrahepatic metabolism of the 8:2 FTAc before uptake into the internal tissues, ultimately limiting the overall bioaccumulation...
  6. doi request reprint Biotransformation of the 8:2 fluorotelomer acrylate in rainbow trout. 1. In vivo dietary exposure
    Craig M Butt
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
    Environ Toxicol Chem 29:2726-35. 2010
    ..The results of the current study demonstrated a scenario in which a biologically labile compound is biotransformed to terminal metabolites that are much more biologically persistent...
  7. ncbi request reprint Biotransformation pathways of fluorotelomer-based polyfluoroalkyl substances: a review
    Craig M Butt
    Department of Chemistry, University of Toronto, Ontario, Canada
    Environ Toxicol Chem 33:243-67. 2014
    ..The PAPs compounds and 8:2 FTAC were shown to be direct precursors to FTOHs and thus follow similar degradation pathways...
  8. ncbi request reprint Spatial distribution of perfluoroalkyl contaminants in lake trout from the Great Lakes
    Vasile I Furdui
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6
    Environ Sci Technol 41:1554-9. 2007
    ..The 10:2 FTUCA was detected only in 9% of all samples (nd, 45 pg g(-1)). For those PFCs where we determined lake water concentrations, the highest log BAFs were calculated for PFOS (4.1), PFDA (3.9), and PFOSA (3.8)...
  9. doi request reprint Atmospheric chemistry of 4:2 fluorotelomer acrylate [C4F9CH2CH2OC(O)CH=CH2]: kinetics, mechanisms, and products of chlorine-atom- and OH-radical-initiated oxidation
    Craig M Butt
    Department of Chemistry, 80 St George Street, University of Toronto, Toronto, Ontario, Canada M5S 3H6
    J Phys Chem A 113:3155-61. 2009
    ..The atmospheric oxidation of fluorotelomer acrylates is a potential source of perfluorinated carboxylic acids in remote locations...
  10. doi request reprint Cellular toxicity associated with exposure to perfluorinated carboxylates (PFCAs) and their metabolic precursors
    Amy A Rand
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
    Chem Res Toxicol 27:42-50. 2014
    ..Our data provide the first evidence that aldehyde intermediates have demonstrated toxicity in cellular systems that is more significant than PFCAs and their corresponding acid intermediates. ..
  11. ncbi request reprint Rapid response of Arctic ringed seals to changes in perfluoroalkyl production
    Craig M Butt
    Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario M5S 3H6, Canada
    Environ Sci Technol 41:42-9. 2007
    ..Further, the relatively short doubling times of the PFCAs and PFOS disappearance half-lives support the hypothesis of atmospheric transport as the main transport mechanism of PFCs to the arctic environment...