Sierra Rayne

Summary

Publications

  1. doi Estimated bioconcentration factors (BCFs) for the C(4) through C(8) perfluorinated alkylsulfonic acid (PFSA) and alkylcarboxylic acid (PFCA) congeners
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:598-604. 2009
  2. ncbi Perfluoroalkyl sulfonic and carboxylic acids: a critical review of physicochemical properties, levels and patterns in waters and wastewaters, and treatment methods
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:1145-99. 2009
  3. ncbi Dow and Kaw,eff vs. Kow and Kaw degrees: acid/base ionization effects on partitioning properties and screening commercial chemicals for long-range transport and bioaccumulation potential
    Sierra Rayne
    Ecologica Research, Penticton, British Columbia, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:1550-94. 2010
  4. ncbi Estimated congener specific gas-phase atmospheric behavior and fractionation of perfluoroalkyl compounds: rates of reaction with atmospheric oxidants, air-water partitioning, and wet/dry deposition lifetimes
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:936-54. 2009
  5. doi Mechanistic aspects regarding the direct aqueous environmental photochemistry of phenol and its simple halogenated derivatives. A review
    Sierra Rayne
    Department of Chemistry, The University of Winnipeg, 515 Portage Avenue, Winnipeg, Manitoba, Canada R3B 2E9
    Environ Int 35:425-37. 2009
  6. ncbi Congener-specific numbering systems for the environmentally relevant C4 through C8 perfluorinated homologue groups of alkyl sulfonates, carboxylates, telomer alcohols, olefins, and acids, and their derivatives
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, MB, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 43:1391-401. 2008
  7. doi Congener-specific organic carbon-normalized soil and sediment-water partitioning coefficients for the C1 through C8 perfluoroalkyl carboxylic and sulfonic acids
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:1374-87. 2009
  8. doi A new class of perfluorinated acid contaminants: primary and secondary substituted perfluoroalkyl sulfonamides are acidic at environmentally and toxicologically relevant pH values
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:1388-99. 2009
  9. doi Modeling the hydrolysis of perfluorinated compounds containing carboxylic and phosphoric acid ester functions and sulfonamide groups
    Sierra Rayne
    Ecologica Research, Penticton, British Columbia, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:432-46. 2010
  10. ncbi pK(a) values of the monohydroxylated polychlorinated biphenyls (OH-PCBs), polybrominated biphenyls (OH-PBBs), polychlorinated diphenyl ethers (OH-PCDEs), and polybrominated diphenyl ethers (OH-PBDEs)
    Sierra Rayne
    Ecologica Research, Penticton, British Columbia, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:1322-46. 2010

Detail Information

Publications21

  1. doi Estimated bioconcentration factors (BCFs) for the C(4) through C(8) perfluorinated alkylsulfonic acid (PFSA) and alkylcarboxylic acid (PFCA) congeners
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:598-604. 2009
    ..An increasing degree of perfluoroalkyl chain branching within each homologue group reduces the estimated BCF, suggesting that the more linear PFSA and PFCA congeners will display the highest BCFs in aquatic organisms...
  2. ncbi Perfluoroalkyl sulfonic and carboxylic acids: a critical review of physicochemical properties, levels and patterns in waters and wastewaters, and treatment methods
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:1145-99. 2009
    ..Most PFA treatment methods exhibit slow kinetic profiles, hindering their direct application in conventional low hydraulic residence time systems...
  3. ncbi Dow and Kaw,eff vs. Kow and Kaw degrees: acid/base ionization effects on partitioning properties and screening commercial chemicals for long-range transport and bioaccumulation potential
    Sierra Rayne
    Ecologica Research, Penticton, British Columbia, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:1550-94. 2010
    ..More complex sorption related modelling in various types of representative aquatic systems also appears necessary to achieve reliable chemical screening results for commercial organic compounds...
  4. ncbi Estimated congener specific gas-phase atmospheric behavior and fractionation of perfluoroalkyl compounds: rates of reaction with atmospheric oxidants, air-water partitioning, and wet/dry deposition lifetimes
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:936-54. 2009
    ..The findings will allow development and refinement of more accurate and detailed local through global scale atmospheric models for the atmospheric fate of perfluoroalkyl compounds...
  5. doi Mechanistic aspects regarding the direct aqueous environmental photochemistry of phenol and its simple halogenated derivatives. A review
    Sierra Rayne
    Department of Chemistry, The University of Winnipeg, 515 Portage Avenue, Winnipeg, Manitoba, Canada R3B 2E9
    Environ Int 35:425-37. 2009
    ....
  6. ncbi Congener-specific numbering systems for the environmentally relevant C4 through C8 perfluorinated homologue groups of alkyl sulfonates, carboxylates, telomer alcohols, olefins, and acids, and their derivatives
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, MB, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 43:1391-401. 2008
    ..Many PFA congeners are chiral, necessitating a consideration of their enantiospecific environmental behavior and toxicology...
  7. doi Congener-specific organic carbon-normalized soil and sediment-water partitioning coefficients for the C1 through C8 perfluoroalkyl carboxylic and sulfonic acids
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:1374-87. 2009
    ....
  8. doi A new class of perfluorinated acid contaminants: primary and secondary substituted perfluoroalkyl sulfonamides are acidic at environmentally and toxicologically relevant pH values
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:1388-99. 2009
    ..Substantial pH dependent isomeric fractionation of perfluoroalkyl sulfonamides is expected both in situ and in vivo, necessitating the incorporation of amide group acidities in multimedia environmental models and pharmacokinetic studies...
  9. doi Modeling the hydrolysis of perfluorinated compounds containing carboxylic and phosphoric acid ester functions and sulfonamide groups
    Sierra Rayne
    Ecologica Research, Penticton, British Columbia, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:432-46. 2010
    ....
  10. ncbi pK(a) values of the monohydroxylated polychlorinated biphenyls (OH-PCBs), polybrominated biphenyls (OH-PBBs), polychlorinated diphenyl ethers (OH-PCDEs), and polybrominated diphenyl ethers (OH-PBDEs)
    Sierra Rayne
    Ecologica Research, Penticton, British Columbia, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:1322-46. 2010
    ..Congener specific pH dependent investigations into the partitioning and degradation behaviors of these compounds are necessary, including greater consideration of analyte ionization effects during their extraction and analysis...
  11. ncbi Linear free energy relationship based estimates for the congener specific relative reductive defluorination rates of perfluorinated alkyl compounds
    Sierra Rayne
    Department of Chemistry, University of Winnipeg, Winnipeg, Manitoba, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:866-79. 2009
    ....
  12. ncbi PBDEs, PBBs, and PCNs in three communities of free-ranging killer whales (Orcinus orca) from the northeastern Pacific Ocean
    Sierra Rayne
    Department of Chemistry, University of Victoria, Victoria, British Columbia, Canada V8W 3V6
    Environ Sci Technol 38:4293-9. 2004
    ..0-31 ng/g Iw) and sigmaPCN (20-167 ng/g Iw) measured in a subset of samples, suggesting that PBDEs may represent a contaminant class of concern in these marine mammals...
  13. ncbi Polychlorinated dioxins and furans from the World Trade Center attacks in exterior window films from lower Manhattan in New York City
    Sierra Rayne
    Department of Chemistry, University of Victoria, Victoria, BC, Canada
    Environ Sci Technol 39:1995-2003. 2005
    ..In comparison, profiles in Brooklyn and near mid-Manhattan exhibited congener and homologue patterns comprised mainly of hepta- and octa-CDDs, similar to that commonly reported in background air and soil...
  14. doi Computational approaches may underestimate pK(a) values of longer-chain perfluorinated carboxylic acids: Implications for assessing environmental and biological effects
    Sierra Rayne
    Department of Chemistry, The University of Winnipeg, Winnipeg, MB, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:317-26. 2009
    ....
  15. ncbi Photochemistry of a major commercial polybrominated diphenyl ether flame retardant congener: 2,2',4,4',5,5'-hexabromodiphenyl ether (BDE153)
    Sierra Rayne
    Department of Chemistry, University of Victoria, PO Box 3065, Victoria, British Columbia, Canada V8W 3V6
    Environ Int 32:575-85. 2006
    ....
  16. ncbi Photochemical rearrangement of dibenzo[1,4]dioxins proceeds through reactive spirocyclohexadienone and biphenylquinone intermediates
    Sierra Rayne
    Department of Chemistry, University of Victoria, P O Box 3065, Victoria, British Columbia, CanadaV8W 3V6
    Photochem Photobiol Sci 4:876-86. 2005
    ....
  17. ncbi Reconstructing source polybrominated diphenyl ether congener patterns from semipermeable membrane devices in the Fraser River, British Columbia, Canada: comparison to commercial mixtures
    Sierra Rayne
    Department of Chemistry, University of Victoria, British Columbia, Canada
    Environ Toxicol Chem 21:2292-300. 2002
    ..The reconstructed SPMD patterns more closely approximated the composite technical mixtures and suggest that PBDEs in such an industrial region arise primarily from penta- and octa-BDE source mixtures...
  18. doi Quantitative structure-activity relationship (QSAR) studies for predicting activation of the ryanodine receptor type 1 channel complex (RyR1) by polychlorinated biphenyl (PCB) congeners
    Sierra Rayne
    Ecologica Research, Penticton, British Columbia, Canada
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:355-62. 2010
    ....
  19. ncbi Rapidly increasing polybrominated diphenyl ether concentrations in the Columbia River system from 1992 to 2000
    Sierra Rayne
    Department of Chemistry, Box 3065, University of Victoria, Victoria, British Columbia, Canada, V8W 3V6
    Environ Sci Technol 37:2847-54. 2003
    ....
  20. ncbi Predicting gas chromatographic retention times for the 209 polybrominated diphenyl ether congeners
    Sierra Rayne
    Department of Chemistry, University of Victoria, Victoria, BC V8W 3V6, Canada
    J Chromatogr A 1016:235-48. 2003
    ..o-Br, m-Br andp-Br, respectively), the semi-empirically calculated dipole moment (mu), and the natural logarithm of molecular weight (MW). A high level of predictability (R2 = 0.9972) was obtained for the model...
  21. ncbi Photochemical mass balance of 2,3,7,8-TeCDD in aqueous solution under UV light shows formation of chlorinated dihydroxybiphenyls, phenoxyphenols, and dechlorination products
    Sierra Rayne
    Department of Chemistry, University of Victoria, British Columbia, Canada
    Environ Sci Technol 36:1995-2002. 2002
    ..The results suggest that the photochemical conversion of PCDDs to chlorinated dihydroxybiphenyls, which are also polychlorinated biphenyl (PCB) metabolites, may be an important part of their environmental fate...