title: Products of biotransformation of polycyclic aromatic hydrocarbons in fishes of the Athabasca/Slave river system, Canada.
abstract: Concentrations of products of biotransformation of polycyclic aromatic hydrocarbons (PBPAH) were measured in bile of five fishes of nutritional, cultural and ecological relevance from the Athabasca/Slave river system. Samples were collected in Alberta and the Northwest Territories, Canada, during three seasons. As a measure of concentrations of PBPAHs to which fishes are exposed and to gain information on the nature and extent of potential exposures of people or piscivorous wildlife, concentrations of biotransformation products of two- and three-ringed, four-ringed and five-ringed PAHs were measured using synchronous fluorescence spectroscopy. Spatial and seasonal differences were observed with greater concentrations of PBPAHs in samples of bile of fish collected from Fort McKay as well as greater concentrations of PBPAHs in bile of fish collected during summer compared to those collected in other seasons. Overall, PBPAHs were greater in fishes of lower trophic levels and fishes more closely associated with sediments. In particular, goldeye (Hiodon alosoides), consistently contained greater concentrations of all the PBPAHs studied.
authors.affiliation: School of Environment and Sustainability, University of Saskatchewan, Saskatoon, Canada. ehimai.ohiozebau@usask.ca.
authors.forename: Ehimai
authors.initials: E
authors.lastname: Ohiozebau
authors.affiliation: Toxicology Centre, University of Saskatchewan, Saskatoon, Canada.
authors.forename: Brett
authors.initials: B
authors.lastname: Tendler
authors.affiliation: Toxicology Centre, University of Saskatchewan, Saskatoon, Canada.
authors.forename: Allison
authors.initials: A
authors.lastname: Hill
authors.affiliation: Toxicology Centre, University of Saskatchewan, Saskatoon, Canada.
authors.forename: Garry
authors.initials: G
authors.lastname: Codling
authors.affiliation: Department of Environment and Natural Resources, Government of the Northwest Territories, Yellowknife, Canada.
authors.forename: Erin
authors.initials: E
authors.lastname: Kelly
authors.affiliation: Toxicology Centre, University of Saskatchewan, Saskatoon, Canada.|Department of Biomedical Veterinary Sciences, University of Saskatchewan, Saskatoon, Canada.|Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR, China.
authors.forename: John P
authors.initials: JP
authors.lastname: Giesy
authors.affiliation: School of Environment and Sustainability, University of Saskatchewan, Saskatoon, Canada.|Toxicology Centre, University of Saskatchewan, Saskatoon, Canada.
authors.forename: Paul D
authors.initials: PD
authors.lastname: Jones
mesh_terms: D000416:Alberta; D000818:Animals; D001646:Bile / Q000737:chemistry; D001711:Biotransformation; D005260:Female; D005399:Fishes; D008297:Male; D015873:Northwest Territories; D011084:Polycyclic Aromatic Hydrocarbons / Q000032:analysis* / Q000493:pharmacokinetics; D012621:Seasons
chemical_list: D011084:Polycyclic Aromatic Hydrocarbons
keywords: Fish bile; Oil sands; PAHs; Products of biotransformation; Synchronous fluorescence spectroscopy (SFS)