Research Topics
| Frank A P C GobasSummaryAffiliation: Simon Fraser University Country: Canada Publications
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Detail Information
Publications
Food web bioaccumulation model for polychlorinated biphenyls in San Francisco Bay, California, USAFrank A P C Gobas
School of Resource and Environmental Management, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
Environ Toxicol Chem 29:1385-95. 2010..6 microg/kg dry weight. The model was developed for assessing the behavior and risks of bioaccumulative substances on an ecosystem level...
Sediment-water distribution of organic contaminants in aquatic ecosystems: the role of organic carbon mineralizationFrank A P C Gobas
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada V54 1S6
Environ Sci Technol 37:735-41. 2003..Our findings imply that sediment-water distribution is not solely a chemical partitioning process but is to a large degree controlled by lake specific organic carbon mineralization processes...
Revisiting bioaccumulation criteria for POPs and PBT assessmentsFrank A P C Gobas
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia V5A1S6, Canada
Integr Environ Assess Manag 5:624-37. 2009....
Ultra-trace determination of phthalate ester metabolites in seawater, sediments, and biota from an urbanized marine inlet by LC/ESI-MS/MSJoel D Blair
School of Resource and Environmental Management, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada V5A 1S6
Environ Sci Technol 43:6262-8. 2009..The ability to measure MPEs in complex environmental samples provided by this LC/ESI-MS/MS method expands the capability for future biomonitoring and risk assessment of phthalate plasticizers...
Bioaccumulation behaviour of polybrominated diphenyl ethers (PBDEs) in a Canadian Arctic marine food webBarry C Kelly
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Sci Total Environ 401:60-72. 2008..The field observations suggest PBDEs exhibit a relatively rapid rate of depuration though biotransformation in Arctic marine organisms, which is consistent with laboratory studies in fish and rats...
Hydroxylated and methoxylated polybrominated diphenyl ethers in a Canadian Arctic marine food webBarry C Kelly
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Environ Sci Technol 42:7069-77. 2008..Further investigations of PBDEs and their hydroxylated and methoxylated analogues would be useful to better understand sources, fate, and mechanisms governing biotransformation and bioaccumulation behavior of these compounds...
Perfluoroalkyl contaminants in an Arctic marine food web: trophic magnification and wildlife exposureBarry C Kelly
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada
Environ Sci Technol 43:4037-43. 2009..8 x 10(-4) mg x kg bw(-1) x d(-1)), exceedsthe oral reference dose for PFOS (7.5 x 10(-5) mg x kg bw(-1) x d(-1)), which raises concern for potential biological effects in these and other sensitive Arctic marine wildlife species...
Sorption of phthalate esters and PCBs in a marine ecosystemCheryl E Mackintosh
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Environ Sci Technol 40:3481-8. 2006....
The uptake and metabolism of benzo[a]pyrene from a sample food substrate in an in vitro model of digestionLuba Vasiluk
Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC, Canada V5A 1S6
Food Chem Toxicol 46:610-8. 2008....
Intestinal absorption and biomagnification of organic contaminants in fish, wildlife, and humansBarry C Kelly
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
Environ Toxicol Chem 23:2324-36. 2004..We urge further research on dietary absorption and biomagnification of organic chemicals to develop better models for assessing the bioaccumulative nature of organic chemicals...
Measuring in vitro biotransformation rates of super hydrophobic chemicals in rat liver s9 fractions using thin-film sorbent-phase dosingYung Shan Lee
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Environ Sci Technol 46:410-8. 2012....
Benzo[a]pyrene bioavailability from pristine soil and contaminated sediment assessed using two in vitro modelsLuba Vasiluk
Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
Environ Toxicol Chem 26:387-93. 2007..Moreover, the driving force for uptake is the fugacity gradient that exists between the gastrointestinal fluid and the membrane...
PBDE flame retardants and PCBs in migrating Steller sea lions (Eumetopias jubatus) in the Strait of Georgia, British Columbia, CanadaJuan Jose Alava
School of Resource and Environmental Management, Faculty of Environment, Simon Fraser University, Burnaby, BC, Canada V5A 1S6
Chemosphere 88:855-64. 2012....
Screening pyrene metabolites in the hemolymph of dungeness crabs (Cancer magister) with synchronous fluorescence spectrometry: method development and applicationCurtis V Eickhoff
Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
Environ Toxicol Chem 22:59-66. 2003..Pyrene-associated fluorescent responses of the hemolymph were found to correlate positively with the concentration of total PAHs in the hepatopancreas (r = 0.39, p < 0.05)...
Assessing exposure of sediment biota to organic contaminants by thin-film solid phase extractionLizanne M Meloche
School of Resource and Environmental Management, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
Environ Toxicol Chem 28:247-53. 2009..We conclude that thin-film extraction provides an ecologically relevant, fugacity-based measure of chemical exposure that can be expected to improve sediment quality assessments...
Distribution of phthalate esters in a marine aquatic food web: comparison to polychlorinated biphenylsCheryl E Mackintosh
School of Resource and Environmental Management, Faculty of Applied Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Environ Sci Technol 38:2011-20. 2004..25 and 0.48. These results show that all DPEs tested did not biomagnify in the studied aquatic food web whereas PCBs did biomagnify...
Biodegradation of mono-alkyl phthalate esters in natural sedimentsS Victoria Otton
School of Resource and Environmental Management, Faculty of Applied Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Chemosphere 71:2011-6. 2008....
DDT in endangered Galapagos sea lions (Zalophus wollebaeki)Juan Jose Alava
School of Resource and Environmental Management, Faculty of Environment, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A1S6, Canada
Mar Pollut Bull 62:660-71. 2011..The findings provide preliminary guidance on the relationship between DDT use and ecological impacts, serving as a reference point against which possible future impact of tropical DDT use can be assessed...
Food web-specific biomagnification of persistent organic pollutantsBarry C Kelly
School of Resource and Environmental Management, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6, Canada
Science 317:236-9. 2007....
Polychlorinated biphenyls and polybrominated diphenyl ethers in Galapagos sea lions (Zalophus wollebaeki)Juan J Alava
School of Resource and Environmental Management Environmental Toxicology Research Group, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
Environ Toxicol Chem 28:2271-82. 2009....
A food web bioaccumulation model for organic chemicals in aquatic ecosystemsJon A Arnot
School of Resource and Environmental Management, Simon Fraser University, 8888 University Drive, Barnaby, BC V5A 1S6, Canada
Environ Toxicol Chem 23:2343-55. 2004..The new model is able to provide better estimates of bioaccumulation factors in comparison to the previous food web bioaccumulation model while the model input requirements remain largely unchanged...
Magnification and toxicity of PCBs, PCDDs, and PCDFs in upriver-migrating Pacific salmonAdrian M H Debruyn
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Environ Sci Technol 38:6217-24. 2004..It also suggests that historic contaminant concentrations, which were greater than current concentrations, may have contributed significantly to the decline of certain Pacific salmon stocks in British Columbia...
An arctic terrestrial food-chain bioaccumulation model for persistent organic pollutantsBarry C Kelly
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada, V5A 1S6
Environ Sci Technol 37:2966-74. 2003..The model shows that persistent low K(OW) (K(OW)s < 10(5)) but high K(OA) substances such as beta-HCH, 1,2,4,5 tetrachlorobenzene, and beta-endosulfan biomagnify in terrestrial mammals...
A terrestrial food-chain bioaccumulation model for POPsJames M Armitage
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Environ Sci Technol 41:4019-25. 2007..25 and a K(ow) between 10(1.75) and 10(12) have a biomagnification potential unless they are metabolized at a sufficiently rapid rate (e.g., in excess of 0.3 d(-1) or a half-life time of 2.5 d for shrews)...
The sorptive capacity of animal proteinAdrian M H Debruyn
School of Resource and Environmental Management, Simon Fraser Univesity, British Columbia Canada
Environ Toxicol Chem 26:1803-8. 2007..In such situations, a consideration of the sorptive capacity of nonlipid constituents, such as protein, will permit more accurate predictions of chemical accumulation and distribution...
An interlaboratory comparison study for the determination of dialkyl phthalate esters in environmental and biological samplesMichael G Ikonomou
Ocean Sciences Division, Institute of Ocean Sciences, Fisheries and Oceans Canada, Sidney, British Columbia, Canada
Environ Toxicol Chem 31:1948-56. 2012..Future efforts to develop better protocols to lower MDLs, as well to develop reference materials, would greatly benefit future DPE monitoring initiatives...
Relationship between biodegradation and sorption of phthalate esters and their metabolites in natural sedimentsPeter Kickham
Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
Environ Toxicol Chem 31:1730-7. 2012....
Habitat-based PCB environmental quality criteria for the protection of endangered killer whales (Orcinus orca)Juan Jose Alava
School of Resource and Environmental Management, Faculty of Environment, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
Environ Sci Technol 46:12655-63. 2012....
Mobilization of chrysene from soil in a model digestive systemJaswinder K Minhas
Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
Environ Toxicol Chem 25:1729-37. 2006....
Biodegradation of N-ethyl perfluorooctane sulfonamido ethanol (EtFOSE) and EtFOSE-based phosphate diester (SAmPAP diester) in marine sedimentsJonathan P Benskin
AXYS Analytical Services Ltd, 2045 Mills Road West, Sidney, British Columbia, Canada
Environ Sci Technol 47:1381-9. 2013..S, over a decade after phase-out of their production and commercial application in these countries...
A bioenergetic biomagnification model for the animal kingdomAdrian M H Debruyn
School of Resource and Environmental Management, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Environ Sci Technol 40:1581-7. 2006....
Determination of polycyclic aromatic hydrocarbons in dungeness crabs (Cancer magister) near an aluminum smelter in Kitimat Arm, British Columbia, CanadaCurtis V Eickhoff
Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
Environ Toxicol Chem 22:50-8. 2003..However, the PAH analyte concentrations in the hepatopancreas and muscle did not appear to correlate highly with each other...
A fugacity approach for assessing the bioaccumulation of hydrophobic organic compounds from estuarine sedimentChristopher J Golding
School of Geosciences, University of Sydney, New South Wales, Australia
Environ Toxicol Chem 27:1047-54. 2008....
Characterization of polycyclic aromatic hydrocarbon bioavailability in estuarine sediments using thin-film extractionChristopher J Golding
School of Geosciences, University of Sydney, New South Wales 2006, Australia
Environ Toxicol Chem 26:829-36. 2007..It is concluded that, for the range of concentrations tested, thin-film solid-phase extraction can be a useful tool in the characterization of differences in bioavailability of HOCs among sediment types...
A world model, a model worldFrank A P C Gobas
Environ Toxicol Chem 23:2279-80. 2004
Characterization of polymer coated glass as a passive air sampler for persistent organic pollutantsTom Harner
Meteorological Service of Canada, Environment Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4
Environ Sci Technol 37:2486-93. 2003..It is believed that these relationships are also valid when POGs are used to detect other classes of persistent organic pollutants...
Determination of phthalate ester congeners and mixtures by LC/ESI-MS in sediments and biota of an urbanized marine inletZhong-Ping Lin
Department of Fisheries and Oceans, Institute of Ocean Sciences, MEHS Division, Sidney, British Columbia, Canada V8L 4B2
Environ Sci Technol 37:2100-8. 2003..The findings indicate that the higher molecular weight PEs are less biologically available than the lower molecular weight ones...
