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Group Publications



E.N. Escorcia, S.J. Sjostedt, J.P.D. Abbatt, Kinetics of N2O5 Hydrolysis on Secondary Organic Aerosol and Mixed Ammonium Bisulfate-Secondary Organic Aerosol Particles, J. Phys. Chem. A, 114, 13113-13121. (2010)

A. Vlasenko, A.M. Macdonald, S.J. Sjostedt, J.P.D. Abbatt, Formaldehyde measurements by Proton transfer reaction – Mass Spectrometry (PTR-MS): correction for humidity effects, Atmos. Meas. Tech., 3, 1055-1062. (2010)

S.J. Sjostedt, J.G. Slowik, J.R. Brook, R.Y.-W. Chang, C. Mihele, C.A. Stroud, A. Vlasenko, J.P.D. Abbatt, Diurnally resolved particulate and VOC measurements at a rural site: indication of significant biogenic secondary organic aerosol formation, Atmos. Chem. Phys. Discuss., 10, 27321-27359. (2010)

I.J. George, J.P.D. Abbatt, Heterogeneous oxidation of atmospheric aerosol particles by gas-phase radicals, Nature Chem., 2, 713-722. (2010)

I.J. George, J.P.D. Abbatt, Chemical evolution of secondary organic aerosol from OH-initiated heterogeneous oxidation, Atmos. Chem. Phys., 10, 5551-5563. (2010)

J. Abbatt, N. Oldridge, A. Symington, V. Chukalovskiy, R.D. McWhinney, S. Sjostedt, R.A. Cox, Release of Gas-Phase Halogens by Photolytic Generation of OH in Frozen Halide-Nitrate Solutions: An Active Halogen Formation Mechanism?, J. Phys. Chem. A, 114, 23, 6527-6533. (2010)

R.Y.-W. Chang, J.G. Slowik, N.C. Shantz, A. Vlasenko, J. Liggio, S.J. Sjostedt, W.R. Leaitch, J.P.D. Abbatt, The hygroscopicity parameter of ambient organic aerosol at a field site subject to biogenic and anthropogenic influences: Relationship to degree of aerosol oxidation, Atmos. Chem. Phys., 10, 5047-5064. (2010)

J.G. Slowik, C. Stroud, J.W. Bottenheim, P.C. Brickell, R.Y.-W. Chang, J. Liggio, P.A. Makar, R.V. Martin, M.D. Moran, N.C. Shantz, S.J. Sjostedt, A. van Donkelaar, A. Vlasenko, H.A. Wiebe, A.G. Xia, J. Zhang, W.R. Leaitch, J.P.D. Abbatt, Characterization of a large biogenic secondary organic aerosol event from eastern Canadian forests, Atmos. Chem. Phys., 10, 2825-2845. (2010)

Z.A. Kanji, J.P.D. Abbatt, Ice Nucleation onto Arizona Test Dust at Cirrus Temperatures: Effect of Temperature and Aerosol Size on Onset Relative Humidity, J. Phys. Chem. A, 114, 2, 3265-3300. (2010)

J.G. Slowik, A. Vlasenko, M. McGuire, G.J. Evans, J.P.D. Abbatt, Simultaneous factor analysis of organic particle and gas mass spectra: AMS and PTR-MS measurements at an urban site, Atmos. Chem. Phys., 10, 1969-1988. (2010)

N.C. Shantz, R.Y.-W. Chang, J.G. Slowik, A. Vlasenko, J.P.D. Abbatt, W.R. Leaitch, Slower CCN growth kinetics of anthropogenic aerosol compared to biogenic aerosol observed at a rural site, Atmos. Chem. Phys., 10, 299-312. (2010)


A. Vlasenko, J.G. Slowik, J.W. Bottenheim, P.C. Brickell, R.Y.-W. Chang, A.M. Macdonald, N.C. Shantz, S.J. Sjostedt, H.A. Wiebe, W.R. Leaitch, J.P.D. Abbatt, Measurements of VOCs by Proton-Transfer-Reaction Mass Spectrometry at a Rural Ontario Site: Sources and Correlation to Aerosol Composition, J. Geophys. Res., 114, D21305, doi:10.1029/2009JD012025. (2009)

I.J. George, R.Y.-W. Chang, V. Danov, A. Vlasenko, J.P.D. Abbatt, Modification of cloud condensation nucleus activity of organic aerosols by hydroxyl radical heterogeneous oxidation, Atmos. Environ., 43, 32, 5038-5045. (2009)

Z. Kanji, J.P.D. Abbatt The University of Toronto Continuous Flow Diffusion Chamber (UT-CFDC): A Simple Design for Ice Nucleation Studies, Aer. Sci. Tech., 43, 730-738. (2009)

J. McCabe, J.P.D. Abbatt, Heterogeneous Loss of Ozone on n-Hexane Soot Surfaces: Similarity with Other Chemically Unsaturated Solid Surfaces, J. Phys. Chem. C, 113, 2120-2127. (2009)


S.J. Sjostedt, J.P.D. Abbatt, Release of gas-phase halogens from sodium halide substrates: heterogeneous oxidation of frozen solutions and dessicated salts by hydroxyl radicals, Environ. Res. Lett., 3, 045007. (2008)

J.P.D. Abbatt, T. Bartels-Rausch, M. Ullerstam, T.J. Ye, Uptake of acetone, ethanol and benzene to snow and ice: Effects of surface area and temperature, Environ. Res. Lett., 3, 045008. (2008)

N.-O.A. Kwamena, J.P.D. Abbatt, Heterogeneous nitration reactions of polycyclic aromatic hydrocarbons and n-hexane soot by exposure to NO3/NO2/N2O5, Atmos. Environ., 42, 8309-8314. (2008)

I. George, J. Slowik, J.P.D. Abbatt, Chemical aging of ambient organic aerosol from heterogeneous reaction with hydroxyl radicals, Geophys. Res. Lett., 35, L13811, doi:10.1029/2008GL033884. (2008)

Z. A. Kanji, O. Florea, J.P.D. Abbatt, Ice formation via deposition nucleation on mineral dust and organics: dependence of onset relative humidity on total particulate surface area, Environ. Res. Lett., 3, 025004. (2008)

A. Vlasenko, I.J. George, J.P.D. Abbatt, Formation of Volatile Organic Compounds in the Heterogeneous Oxidation of Condensed-Phase Organic Films by Gas-Phase OH, J. Phys. Chem. A., 112, 1552-1560. (2008)


N.-O.A. Kwamena, M.G. Staikova, D.J. Donaldson, I.J. George, J.P.D. Abbatt, The role of the aerosol substrate in the heterogeneous ozonation reactions of surface-bound PAHs, J. Phys. Chem. A., 111, 11050-11058. (2007)

I.J. George, A. Vlasenko, J.G. Slowik, K. Broekhuizen, J.P.D. Abbatt, Heterogeneous oxidation of saturated organic aerosols by hydroxyl radicals: Uptake kinetics, condensed phase products, and particle size change. Atmos. Phys. Chem., 7, 4187-4201. (2007)

R.Y.-W. Chang, P.S.K. Liu, W.R. Leaitch, J.P.D. Abbatt, Comparison Between Measured and Predicted CCN Concentrations at Egbert, Ontario: Focus on Organic Aerosol Fraction at a Semi-Rural Site, Atmos. Environ., 37, 8172-8182. (2007)

D.G. Aubin, J.P.D. Abbatt, Interactions of NO2 with Hydrocarbon Soot: Focus on HONO Yield, Surface Modification and Mechanism, J. Phys. Chem. A., 111, 6263-6273. (2007)


J.P.D. Abbatt, S. Benz, D.J. Cziczo, Z. Kanji, U. Lohmann, O. Mohler, Solid Ammonium Sulphate Aerosols as Ice Nuclei: A Pathway for Cirrus Cloud Formation, Science, 313, 1770. doi:10.1126/science1129726. (2006)

E. Frinak, J.P.D. Abbatt, Br2 Production from the Heterogeneous Reaction of Gas-Phase OH with Salt Solutions: Impacts of Acidity, Halide Concentration and Organic Surfactants, J. Phys. Chem. A, 110, 10456 (2006).

Z. Kanji, J.P.D. Abbatt, Laboratory studies of ice formation via deposition mode nucleation onto mineral dust and n-hexane soot samples, J. Geophys. Res., 111, D16204. doi:10.1029/2005JD006766. (2006)

C.L. Badger, I. George, P.T. Griffiths, J.P.D. Abbatt, R.A Cox, Reactive uptake of N2O5 by aerosol particles containing humic acid and ammonium sulfate, J. Phys. Chem. A, 110, 6986. (2006)

K. Broekhuizen, R. Y.-W. Chang, W.R. Leaitch, S.-M. Li, J.P.D Abbatt, Closure between measured and modeled cloud condensation nuclei (CCN) using size-resolved aerosol composition in downtown Toronto, Atmos. Chem. Phys., 6, 2513-2524. (2006)

C.L. Badger, I. George, P.T. Griffths, C.F. Braban, R.A. Cox, J.P.D. Abbatt, Phase transitions and hygroscopic growth of aerosol particles containing humic acid and mixtures of humic acid ammonium sulphate, Atmos. Chem. Phys., 6, 755. (2006)

N.O.A. Kwamena, M.E. Earp, C.J. Young, J.P.D. Abbatt, Kinetic and product yield study of the heterogeneous gas-surface reaction of anthracene and ozone, J. Phys. Chem. A, 110, 3638. (2006)

D.G. Aubin, J.P.D. Abbatt, Laboratory measurements of thermodynamics of small aromatic gases to n-hexane soot surfaces, Environ. Sci. Technol., 40, 179. (2006)


J.A. Thornton, J.P.D. Abbatt, N2O5 reaction on sub-micron sea-salt aerosols: Kinetics, products and the effect of surface active organics, J. Phys. Chem. A, 109, 10004. (2005)

J.M. Roscoe, J.P.D. Abbatt, Diffuse reflectance FTIR study of the interaction of alumina surfaces with ozone and water vapour, J. Phys. Chem. A, 109, 9028. (2005)

R.A. Cox, M.A. Fernandez, A. Symington, M. Ullerstam, J.P.D. Abbatt, A kinetic model for uptake of HNO3 and HCl on ice in a coated-wall flow system, Phys. Chem. Chem. Phys., 7, 3434. (2005)

M. Ullerstam, J.P.D. Abbatt, Burial of gas-phase HNO3 by growing ice surfaces under tropospheric conditions, Phys. Chem. Chem. Phys., 7, 3596. (2005)

J.P.D Abbatt, K. Broekhuizen, P. Pradeep Kumar, Cloud condensation nuclei activity of internally mixed ammonium sulfate/organic acid aerosol particles, Atmos. Environ., 39, 4767. (2005)

M. Ullerstam, T. Thornberry, J.P.D., Uptake of gas-phase nitric acid to ice at low partial pressures: Evidence for unsaturated surface coverage, Faraday Disc., 130, 211. (2005)

R.Y.-W. Chang, R.C. Sullivan, J.P.D. Abbatt, Initial uptake of ozone on Saharan dust at atmospheric relative humidities, Geophys. Res. Lett., 32, L14815. doi:10.1029/2005GL023317. (2005)

J. Thornton, J.P.D. Abbatt, Measurements of HO2 uptake to aqueous aerosol: Mass accommodation coefficients and net reactive loss, J. Geophys. Res. Atmospheres, 110. D08309 doi:10.1029/2004JD005402. (2005)


K.E. Broekhuizen, T. Thornberry, P. Pradeep Kumar, J.P.D. Abbatt, Formation of cloud condensation nuclei by oxidative processing: Unsaturated fatty acids, J. Geophys. Res., 109, D24206. doi:10.1029/2004JD005298. (2004)

N.-O.A. Kwamena, J.A. Thornton, J.P.D Abbatt, Kinetics of surface-bound benzo[a]pyrene and ozone on solid organic and salt aerosols, J. Phys. Chem. A, 108, 11626. (2004)

C. Braban, J.P.D. Abbatt, A study of the phase transition behaviour of mixed ammonium sulphate -- malonic acid aerosols, Atmos. Chem. Phys., 4, 1451. (2004)

R. Sullivan, T. Thornberry, J.P.D. Abbatt, Ozone decomposition kinetics on alumina: Effects of ozone partial pressure, relative humidity and state of film oxidation, Atmos. Chem. Phys., 4, 1301. (2004)

K. Broekhuizen, P. Pradeep Kumar, J.P.D. Abbatt, Partially soluble organics as cloud condensation nuclei: Role of trace soluble and surface active species, Geophys. Res. Lett., 31. doi:10.1029/2003GL018203. (2004)

U. Lohmann, K. Broekhuizen, R. Leaitch, N. Shantz, J.P.D. Abbatt, How efficient is cloud droplet formation of organic aerosols? Geophys. Res. Lett., 21. doi:10.1029/2003GL018999. (2004)

T. Thornberry, J.P.D. Abbatt, Reaction of ozone with liquid unsaturated fatty acids: Detailed kinetics and gas-phase product studies, Phys. Chem. Chem. Phys., 6, 84. (2004)

J.P.D. Abbatt, Review of Chemicals in the Atmosphere -- Solubility, sources and reactivity, Ed by P.G.T. Fogg and J.M. Sangster, J. Amer. Chem. Soc., 126, 6500. (2004) (Invited Contribution).


D. Aubin, J.P.D. Abbatt, Interaction of nitric acid vapour with n-hexane soot: Adsorption thermodynamics, J. Phys. Chem. A, 107, 11030 (2003).

J.P.D. Abbatt, Aerosol-Climate Interactions, McGraw-Hill Yearbook of Science and Technology, 2003. (Invited Contribution)

J.P.D. Abbatt, Interactions of Atmospheric Trace Gases with Ice Surfaces: Adsorption and Reaction, Chem. Rev., 103, 4783. (2003) (Invited Review Article)

J. Thornton, C. Braban, J.P.D. ABbatt, Reaction probabilities for N2O5 hydrolysis on malonic acid particles: Effects of particle phase and N2O5 partial pressure, Phys. Chem. Chem. Phys., 5, 4593. (2003)

C.F. Braban, M.F. Carroll, S.A. Styler, J.P.D. Abbatt, Phase transitions of malonic and oxalic acid aerosols, J. Phys. Chem. A, 107, 6594. (2003)

P. Pradeep Kumar, K. Broekhuizen, J.P.D. Abbatt, Organic acids as cloud condensation nuclei: Laboratory studies of highly soluble and insoluble species, Atmos. Chem. Phys., 3, 509. (2003)


O. Sokolov, J.P.D. Abbatt, Competitive adsorption of atmospheric trace gases onto ice at 228 K: HNO3/HCl, 1-butanol/Acetic Acid and 1-Butanol/HCl, Geophys. Res. Lett., 29, 1851. (2002)

A.K. Huff, J.P.D. Abbatt, Kinetics and product yields in the heterogeneous reactions of HOBr with simulated sea ice surfaces, J. Phys. Chem. A. 106, 5279. (2002)

O. Sokolov, J.P.D. Abbatt, Adsorption to ice of n-alcohols (ethanol to 1-hexanol), acetic acid and hexanal, J. Phys. Chem. A, 106, 775. (2002)


S.M. Clegg, J.P.D. Abbatt, Oxidation of SO2 by H2O2 on ice surfaces at 228 K: A sink for SO2 in ice clouds, Atmos. Chem. Phys., 1, 73. (2001)

C.F. Braban, D.J. Cziczo, J.P.D. Abbatt, Deliquescence of ammonium sulfate particles at sub-eutectic temperatures, Geophys. Res. Lett., 28, 3879. (2001)

S.M. Clegg, J.P.D. Abbatt, Uptake of gas-phase SO2 and H2O2 by ice surfaces: Dependence on partial pressure, temperature, and surface acidity, J. Phys. Chem. A., 105, 6630. (2001)

D.J. Cziczo, J.P.D. Abbatt, Ice Nucleation in NH4HSO4, NH4NO3 and H2SO4 aqueous particles: Implications for the homogeneous freezing mechanism of cirrus cloud formation, Geophys. Res. Lett., 28, 963. (2001)


J.A. Mueller, M.L. Morton, S.L. Curry, J.P.D. Abbatt, L.J. Butler, Intersystems crossing and nonadiabatic product channels in the photodissociation of N2O4 at 193 nm, J. Phys. Chem. A., 104, 4825. (2000)

J.P.D. Abbatt, Review of Introduction to Atmospheric Chemistry by D.J. Jacob, J. Chem. Ed., 77, 1123. (2000)

D.J. Cziczo, J.P.D. Abbatt, Infrared observations of the response of NaCl, MgCl2, NH4HSO4 and NH4NO3 aerosols to changes in relative humidity from 298 to 238 K, J. Phys. Chem. A., 104, 2038. (2000)

A.K. Huff, J.P.D. Abbatt, Gas-phase Br2 production in heterogeneous reactions of Cl2, HOCl and BrCl with halide-ice surfaces, J. Phys. Chem. A., 104, 7284. (2000)