Nicole Riddell

Summary

Affiliation: Wellington Laboratories Inc
Country: Canada N1G 3M5

Publications

  1. ncbi Branched perfluorooctane sulfonate isomer quantification and characterization in blood serum samples by HPLC/ESI-MS(/MS)
    Nicole Riddell
    Wellington Laboratories Inc, Guelph, Ontario, Canada
    Environ Sci Technol 43:7902-8. 2009
  2. ncbi Preparation and X-ray structural characterization of further stereoisomers of 1,2,5,6,9,10-hexabromocyclododecane
    Nicole Riddell
    Wellington Laboratories, Research Division, Guelph, ON, Canada N1G 3M5
    Chemosphere 84:900-7. 2011
  3. ncbi Structural characterization and thermal stabilities of the isomers of the brominated flame retardant 1,2,5,6-tetrabromocyclooctane (TBCO)
    Nicole Riddell
    Wellington Laboratories Inc, Research Division, 345 Southgate Drive, Guelph, Ontario N1G3M5, Canada
    Chemosphere 74:1538-43. 2009
  4. ncbi Some issues relating to the use of perfluorooctanesulfonate (PFOS) samples as reference standards
    Gilles Arsenault
    Wellington Laboratories Inc, Research Division, 345 Southgate Drive, Guelph, Ontario, Canada N1G 3M5
    Chemosphere 70:616-25. 2008
  5. ncbi Structure characterization and thermal stabilities of the isomers of the brominated flame retardant 1,2-dibromo-4-(1,2-dibromoethyl)cyclohexane
    Gilles Arsenault
    Wellington Laboratories, Research Division, Guelph, ON, Canada N1G 3M5
    Chemosphere 72:1163-70. 2008
  6. ncbi Disposition of perfluorinated acid isomers in Sprague-Dawley rats; part 2: subchronic dose
    Amila O De Silva
    Department of Chemistry, University of Toronto, Ontario, Canada
    Environ Toxicol Chem 28:555-67. 2009
  7. ncbi Is BDE-175 an important enough component of commercial octabromodiphenyl ether mixtures to be listed in Annex A of the Stockholm Convention?
    Alexandre Konstantinov
    Wellington Laboratories Inc, Research Division, 345 Southgate Drive, Guelph, Ontario, Canada N1G 3M5
    Chemosphere 82:778-81. 2011
  8. ncbi Synthesis of the two minor isomers, delta- and epsilon-1,2,5,6,9,10-hexabromocyclododecane, present in commercial hexabromocyclododecane
    Gilles Arsenault
    Wellington Laboratories Inc, Research Division, 345 Southgate Drive, Guelph, Ont, Canada N1G 3M5
    Chemosphere 68:887-92. 2007
  9. ncbi Development of liquid chromatography atmospheric pressure chemical ionization tandem mass spectrometry for analysis of halogenated flame retardants in wastewater
    Simon Ningsun Zhou
    Department of Chemistry, Brock University, St Catharines, ON, L2S 3A1, Canada
    Anal Bioanal Chem 396:1311-20. 2010

Collaborators

Detail Information

Publications9

  1. ncbi Branched perfluorooctane sulfonate isomer quantification and characterization in blood serum samples by HPLC/ESI-MS(/MS)
    Nicole Riddell
    Wellington Laboratories Inc, Guelph, Ontario, Canada
    Environ Sci Technol 43:7902-8. 2009
    ....
  2. ncbi Preparation and X-ray structural characterization of further stereoisomers of 1,2,5,6,9,10-hexabromocyclododecane
    Nicole Riddell
    Wellington Laboratories, Research Division, Guelph, ON, Canada N1G 3M5
    Chemosphere 84:900-7. 2011
    ..We have also carried out an X-ray crystal structure determination on ε-HBCD, so that crystal structures are now available for all 10 HBCD diastereomers...
  3. ncbi Structural characterization and thermal stabilities of the isomers of the brominated flame retardant 1,2,5,6-tetrabromocyclooctane (TBCO)
    Nicole Riddell
    Wellington Laboratories Inc, Research Division, 345 Southgate Drive, Guelph, Ontario N1G3M5, Canada
    Chemosphere 74:1538-43. 2009
    ..Only bromide ions were seen in the mass spectra. APCI and APPI also failed to produce the molecular ion with sufficient intensity for identification...
  4. ncbi Some issues relating to the use of perfluorooctanesulfonate (PFOS) samples as reference standards
    Gilles Arsenault
    Wellington Laboratories Inc, Research Division, 345 Southgate Drive, Guelph, Ontario, Canada N1G 3M5
    Chemosphere 70:616-25. 2008
    ..If this effect were not taken into account, the concentration of the native would be inflated by 10%...
  5. ncbi Structure characterization and thermal stabilities of the isomers of the brominated flame retardant 1,2-dibromo-4-(1,2-dibromoethyl)cyclohexane
    Gilles Arsenault
    Wellington Laboratories, Research Division, Guelph, ON, Canada N1G 3M5
    Chemosphere 72:1163-70. 2008
    ..Although technical TBECH does not contain the gamma- and delta-isomers, they may still be relevant environmental contaminants since manufacturing processes utilize thermal processes which may induce their formation...
  6. ncbi Disposition of perfluorinated acid isomers in Sprague-Dawley rats; part 2: subchronic dose
    Amila O De Silva
    Department of Chemistry, University of Toronto, Ontario, Canada
    Environ Toxicol Chem 28:555-67. 2009
    ....
  7. ncbi Is BDE-175 an important enough component of commercial octabromodiphenyl ether mixtures to be listed in Annex A of the Stockholm Convention?
    Alexandre Konstantinov
    Wellington Laboratories Inc, Research Division, 345 Southgate Drive, Guelph, Ontario, Canada N1G 3M5
    Chemosphere 82:778-81. 2011
    ..g. Great Lakes DE-79™) in quantifiable amounts...
  8. ncbi Synthesis of the two minor isomers, delta- and epsilon-1,2,5,6,9,10-hexabromocyclododecane, present in commercial hexabromocyclododecane
    Gilles Arsenault
    Wellington Laboratories Inc, Research Division, 345 Southgate Drive, Guelph, Ont, Canada N1G 3M5
    Chemosphere 68:887-92. 2007
    ..Indeed, when a sample of ttt-CDT was brominated it gave two products, the NMR spectra and LC/MS and GC/MS behaviour of which confirmed that they are identical to the minor components, delta- and epsilon-HBCD, present in commercial HBCD...
  9. ncbi Development of liquid chromatography atmospheric pressure chemical ionization tandem mass spectrometry for analysis of halogenated flame retardants in wastewater
    Simon Ningsun Zhou
    Department of Chemistry, Brock University, St Catharines, ON, L2S 3A1, Canada
    Anal Bioanal Chem 396:1311-20. 2010
    ..The method developed has been applied to the screening of wastewater samples for screening purpose, with concentrations determined by LC-APCI-MS/MS agreeing with data obtained via gas chromatography high resolution mass spectrometry...