P
Patrick L. Hayes
Researcher at Université de Montréal
Publications - 83
Citations - 4902
Patrick L. Hayes is an academic researcher from Université de Montréal. The author has contributed to research in topics: Aerosol & Adsorption. The author has an hindex of 35, co-authored 74 publications receiving 3907 citations. Previous affiliations of Patrick L. Hayes include Henkel & Northwestern University.
Papers
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Journal ArticleDOI
Volatile chemical products emerging as largest petrochemical source of urban organic emissions.
Brian C. McDonald,Brian C. McDonald,Joost A. de Gouw,Joost A. de Gouw,Jessica B. Gilman,Shantanu H. Jathar,Ali Akherati,Christopher D. Cappa,Jose L. Jimenez,Jose L. Jimenez,Julia Lee-Taylor,Julia Lee-Taylor,Patrick L. Hayes,Stuart A. McKeen,Stuart A. McKeen,Y. Cui,Y. Cui,Si-Wan Kim,Si-Wan Kim,Drew R. Gentner,Gabriel Isaacman-VanWertz,Allen H. Goldstein,Robert A. Harley,Gregory J. Frost,James M. Roberts,Thomas B. Ryerson,Michael Trainer +26 more
TL;DR: It is shown that human exposure to carbonaceous aerosols of fossil origin is transitioning away from transportation-related sources and toward VCPs, and the focus of efforts to mitigate ozone formation and toxic chemical burdens need to be adjusted.
Journal ArticleDOI
Effects of aging on organic aerosol from open biomass burning smoke in aircraft and laboratory studies
Michael J. Cubison,Michael J. Cubison,Amber M. Ortega,Amber M. Ortega,Patrick L. Hayes,Patrick L. Hayes,Delphine K. Farmer,Delphine K. Farmer,Douglas A. Day,Douglas A. Day,M. J. Lechner,William H. Brune,Eric C. Apel,Glenn S. Diskin,Jenny A. Fisher,Henry E. Fuelberg,Arsineh Hecobian,D. J. Knapp,Tomas Mikoviny,Daniel D. Riemer,Glen W. Sachse,W. R. Sessions,Rodney J. Weber,Andrew J. Weinheimer,Armin Wisthaler,Jose L. Jimenez,Jose L. Jimenez +26 more
TL;DR: In this paper, the authors investigated the physical and chemical evolution of biomass burning (BB) organic aerosols (POA and SOA) using the Aerodyne Aerosol Mass Spectrometer.
Journal ArticleDOI
Review of Urban Secondary Organic Aerosol Formation from Gasoline and Diesel Motor Vehicle Emissions
Drew R. Gentner,Shantanu H. Jathar,T. D. Gordon,T. D. Gordon,Roya Bahreini,Douglas A. Day,Douglas A. Day,Imad El Haddad,Patrick L. Hayes,Simone M. Pieber,Stephen Matthew Platt,Joost A. de Gouw,Joost A. de Gouw,Allen H. Goldstein,Robert A. Harley,Jose L. Jimenez,Jose L. Jimenez,André S. H. Prévôt,Allen L. Robinson +18 more
TL;DR: Evidence, research needs, and discrepancies between top-down and bottom-up approaches used to estimate SOA from motor vehicles are summarized, focusing on inconsistencies between molecular-level understanding and regional observations.
Journal ArticleDOI
Organic aerosol composition and sources in Pasadena, California, during the 2010 CalNex campaign
Patrick L. Hayes,Amber M. Ortega,Michael J. Cubison,Karl D. Froyd,Karl D. Froyd,Yongjing Zhao,Steven S. Cliff,Weiwei Hu,Weiwei Hu,Darin W. Toohey,James Flynn,Barry Lefer,N. Grossberg,Sergio Alvarez,Bernhard Rappenglück,Jonathan Taylor,James Allan,John S. Holloway,John S. Holloway,Jessica B. Gilman,Jessica B. Gilman,William C. Kuster,J. A. de Gouw,J. A. de Gouw,Paola Massoli,Xiaolu Zhang,Jiumeng Liu,Rodney J. Weber,A. L. Corrigan,Lynn M. Russell,G. A. Isaacman,David R. Worton,Nathan M. Kreisberg,Allen H. Goldstein,Ryan Thalman,Eleanor M. Waxman,Rainer Volkamer,Ying Hsuan Lin,Jason D. Surratt,Tadeusz E. Kleindienst,John H. Offenberg,Sebastien Dusanter,Sebastien Dusanter,Stephen M. Griffith,Philip S. Stevens,Jerome Brioude,Jerome Brioude,Wayne M. Angevine,Wayne M. Angevine,Jose L. Jimenez +49 more
TL;DR: In this paper, five organic aerosols (OA) components are identified using positive matrix factorization including hydrocarbon-like OA (HOA) and two types of oxygenated OA(OOA) components, and the Pasadena OA elemental composition when plotted as H:C versus O:C follows a line less steep than that observed for Riverside, CA.
Journal ArticleDOI
Characterization of a real-time tracer for isoprene epoxydiols-derived secondary organic aerosol (IEPOX-SOA) from aerosol mass spectrometer measurements
Weiwei Hu,Pedro Campuzano-Jost,Brett B. Palm,Douglas A. Day,Amber M. Ortega,Patrick L. Hayes,Patrick L. Hayes,Patrick L. Hayes,Jordan E. Krechmer,Qi Chen,Qi Chen,Mikinori Kuwata,Mikinori Kuwata,Yingjun Liu,S. S. de Sá,Karena A. McKinney,S. T. Martin,Min Hu,Sri Hapsari Budisulistiorini,Matthieu Riva,Jason D. Surratt,J. M. St. Clair,J. M. St. Clair,J. M. St. Clair,G. Isaacman-Van Wertz,Lindsay D. Yee,Allen H. Goldstein,Samara Carbone,Joel Brito,Paulo Artaxo,J. A. de Gouw,J. A. de Gouw,J. A. de Gouw,Abigail R. Koss,Abigail R. Koss,Armin Wisthaler,Armin Wisthaler,Tomas Mikoviny,Thomas Karl,Lisa Kaser,Lisa Kaser,Werner Jud,Armin Hansel,Kenneth S. Docherty,M. L. Alexander,Niall Robinson,Niall Robinson,Hugh Coe,James Allan,Manjula R. Canagaratna,Fabien Paulot,Fabien Paulot,Jose L. Jimenez,Jose L. Jimenez +53 more
TL;DR: In this article, the authors applied positive matrix factorization (PMF) to aerosol mass spectrometer (AMS) measurements to identify secondary organic aerosol (SOA) formed from isoprene epoxydiols (IEPOX).