Helleur, Bob - Memorial University of Newfoundland

研究领域

My research interest is organic analytical chemistry with an emphasis in two areas; 1) applied mass spectrometry with a focus on the analysis of airborne allergenic proteins, environmental contaminants and analytical pyrolysis on complex biomaterials and 2) thermochemical conversion of biomass waste (forestry and fisheries) to renewable biofuels and biomaterials. For a better description of Helleur’s research projects and interests go to http://www.yaffle.ca/ and search under “Helleur”.

近期论文

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Farzad Shadkami, Bruce B. Sithole, Robert Helleur (2010) “Rapid Screening of Hardwood and Softwood Lignins by a Direct Thermochemolysis Solids Injector and a Microfurnace Pyrolyzer”, J. Org, Geochem., accepted. Farzad Shadkami, Robert Helleur, Bruce B. Sithole (2010) “The Analysis of Optical Brightening Agents in Paper Samples Using Liquid Chromatography with High Resolution Mass Spectrometry”, J. Wood Chem. Technol., accepted. A.M. Abdel Rahman, A.L. Lopata, R.E. O'Hehir, J. J. Robinson, J.H. Banoub, RJ. Helleur (2010) “Characterization and de novo sequencing of Snow crab tropomyosin enzymatic peptides by both electrospary ionization and matrix-assisted laser desorption ionization QqToF tandem mass spectrometry”, J. Mass Spectrom., 45, in press. F. Shadkami and R.J. Helleur (2009) “Use of an injection port for thermochemolysis -gas chromatography/mass spectrometry: Rapid profiling of biomaterials”, J. Chromtogr. A, 1216, 5903-5910. C.A. Coles, T.R. Patel, A.P. Akinnola, R. J. Helleur (2009) “Influence of bulking agents, fertilizers and bacteria on the removal of diesel from a Newfoundland soil”, Soil and Sediment Contaminat. 18, 383. D.J. James, D.V. Bennett, G. Li, A. Ghumman, R.J. Helleur and P.G. Pickup (2009) “Online Analysis of Products from a Direct Ethanol Fuel Cell”, Electrochem. Commun., 11, 1877-1880. G. Saravanabhavan, R. Helleur and J. Hellou (2009) “GC-MS/MS measurement of natural and synthetic estrogens in receiving waters and mussels close to a raw sewage ocean outfall”, Chemosphere 76, 1156-1162. F. Shadkami, S. Estevez and R.J. Helleur (2009) "Analysis of Catechins and Condensed Tannins by Thermally-Assisted Hydrolysis/Methylation-GC/MS and by a Novel Two Step Methylation" J. Anal. Appl. Pyrolysis, 85, 54-65. G.C. Grant and R.J. Helleur (2008) “Simultaneous analysis of vitamins and caffeine in energy drinks by surfactant-mediated matrix-assisted laser desorption/ionization”, Anal. Bioanal. Chem. 391, 2811-2818. G.C. Grant and R.J. Helleur (2008) “ Rapid screening of anthocyanins in berry samples by surfactant-mediated matrix-assisted laser desorption/ionization time-of-flight mass spectrometry”, Rapid Commun. Mass Spectrom., 22, 156-164. F. Shadkami, R.J. Helleur and R.M. Cox (2007) “Profiling secondary metabolites of needles of ozone-fumigated white pine (Pinus strobus) clones by thermally assisted hydrolysis/methylation GC/MS”, J. Chem.. Ecology, 33, 1467-1476. G.C. Grant and R. J. Helleur (2007) “Surfactant-mediated matrix-assisted laser desorption/ionization time-of-flight mass spectrometry of small molecules”, Rapid Commun. Mass Spectrom., 21, 837-845. S. Estevez and R. Helleur (2005) “Fatty Acid profiling of Lipid Classes by Silica Rod TLC-Thermally Assisted Hydrolysis and Methylation- GC/MS”, J. Anal. Appl. Pyrolysis, 74, 3-10. M. Sivagurunathan, A. Martin and R. Helleur (2003) “Biological Waste-Treatment of Hydrocarbon Residues: Effects of Humic Acids on the Degradation of Toluene”, Applied Energy, 75, 267-273. K. Jerry Pulchan, Robert Helleur and Teofilo A. Abrajano (2003) “TMAH Thermochemolysis Characterization of Marine Sedimentary Organic Matter in a Newfoundland Fjord”, Org. Geochem., 34, 305-317.