Publications

(Names in bold are members of the group)

2023

R. O'Brien, Emily Heery, Cathrine Shirilla, Sumit Sankhyan, Ashley Fowler, and Marine Vance; Contributions of Cleaning Solution Residue to Indoor Organic Surface Films; ES&T Air, 2023. Link.

2022

• M. Dibley, A. Jaffe, R. E. O'Brien; Molecular insights into dissolved organic matter in natural dew water; bio-grime films on leaf surfaces; ACS Earth and Space Chemistry, 2022. link.

• A. Klodt, M. Adamek, M. Dibley, S. Nizkorodov, R. E. O'Brien; Effects of the sample matrix on the photobleaching and photodegradation of toluene-derived secondary organic aerosol compounds, Atmos. Chem. Phys., 22, 10155-10171, 2022. link

• Peter A. Alpert, Wendy P. Kilthau, Rachel E. O'Brien, Ryan C. Moffet, Mary K. Gilles, Bingbing Wang, Alexander Laskin, Josephine Y. Aller, Daniel A. Knopf; "Ice-nucleating agents in sea spray aerosol identified and quantified with a holistic multi-modal freezing model", Science Advances, 2022. Link.

• Sumit Sankhyan, Kayley Zabinski, Rachel E. O'Brien, Steven Coyan, Sameer Patel, Marina E. Vance; Aerosol emissions and their volatility from heating different cooking oils at multiple temperatures", Environmental Science: Atmospheres, 2022. Link

• Carolyn E. Jordan, Bruce E. Anderson, John D. Barrick, Dani Blum, Kathleen Brunke, Jiajue Chai, Gao Chen, Ewan C. Crosbie, Jack E. Dibb, Ann M. Dillner, Emily Gargulinski, Charles H. Hudgins, Emily Joyce, Jackson Kaspari, Robert F. Martin, Richard H. Moore, Rachel E. O'Brien, Claire E. Robinson, Gregory L. Shuster, Taylor J. Shingler, Michael A. Shook, Amber J. Soja, Kenneth L. Thornhill, Andrew T. Weakley, Elizabeth B. Wiggins, Edward L. Winstead, Luke D. Ziemba, "Beyond the Ångström Exponent: Probing Additional Information in Spectral Curvature and Variability of in situ Aerosol Hyperspectral (0.3-0.70 µm) Optical Properties", JGR Atmospheres, 2022. Link. 

2021

• L. Vo, E. Legaard, C. Thrasher, A. Jaffe, G. Berden, J. Martens, J. Oomens, R. E. O'Brien;UV/Vis and IRMPD Spectroscopic Analysis of the Absorption Properties of Methylglyxoal Brown Carbon;  ACS Earth and Space Chemistry, link.

• R. E. O'Brien, Y. Li, K. J. Kiland, E. F. Katz, V. W. Or, E. Legaard, E. Q. Walhout, C. Thrasher, V. H. Grassian, P. F. DeCarlo, A. K. Bertram, M. Shiraiwa; Chemical and Physical Properties of Organic Mixtues on Indoor Surfaces During HOMEChem; ESPI, link.

2020

• T. Braman, L. Dolvin, C. Thrasher, H. Yu, E. Walhout, R. E. O'Brien; Fresh versus Photo-recalcitrant Secondary Organic Aerosol: Effects of Organic Mixtures on Aqueous Photodegredation of 4-Nitrophenol;  ES&T Lett., 2020, 7,4 248-253. link.

• Andrew P. Ault, Vicki H. Grassian, Nicola Carslaw, Douglas B. Collins, Hugo Destaillats, D. James Donaldson, Delphine K. Farmer, Jose L. Jimenez, V. Faye McNeill, Glenn C. Morrison, Rachel E. O'Brien, Manabu Shiraiwa, Marina E. Vance, J. R. Wells, Wei Xiong;  Indoor Surface Chemistry, Developing a Molecular Picture of Reactions on Indoor Interfaces, Chem, 2020, https://doi.org/10.1016/j.chempr.2020.08.023. link.

• Vitor W. Or, Michael Wade, Sameer Patel, Michael R. Alves, Deborah Kim, Sarah Schwab, Hannah Przelomski, Rachel O'Brien, Donghun Rim, Richard L. Corsi, Marina E. Vance, Delphine K. Farmer, Vicki H. Grassian; Glass surface evolution following gas adsorption and particle deposition from indoor cooking events as probed by microspectroscopic analysis; Environmental Science: Processes and Impacts, 2020, DOI:10.1039/DOEM00156B. link.

2019 

• E. Q. Walhout, H. Yu, C. Thrasher, J. Shusterman, R. E. O'Brien; Effects of Photolysis on the Chemical and Optical Properties of Secondary Organic Material Over Extended Timescales;  ACS Earth and Space Chem. 2019, 3, 7, 1226-1236, pdf.

• E. Q. Walhout, S. E. Dorn, J. Martens, G. Berden, J. Oomens, P. H. -Y. Cheong, J. H. Kroll, R.E. O'Brien; Infrared Ion Spectroscopy of Environmental Organic Mixtures: Probing the Composition of a-pinene Secondary Organic Aerosol; Environmental Science and Technology, 2019, 53, 13, 7604-7612, pdf. 

• R. E. O'Brien and J. H. Kroll; Photolytic Aging of Secondary Organic Aerosol: Evidence for a Substantial Photo-recalcitrant Fraction;  J. Phys. Chem. Lett., 2019, 10, 14, 4003-4009, pdf.

• T. Cui, H. Green, P. Selleck, Z. Zhang, R. E. O'Brien, A. Gold, M. Keywood, J. H. Kroll, J. D. Surratt; Chemical Characterization of Isoprene- and Monoterpene- Derived Secondary Organic Aerosol (SOA) Tracers in Remote Marine Aerosols Over a Quarter Century; ACS Earth and Space Sciences, 2019, 3, 6, 935-946, pdf.

• D.K. Farmer, M. E. Vance, J. P. Abbatt, A. Abeleira, M. R. Alves, C. Arata, E. Boedicker, S. Bbourne, F. Cardoso-Saldana, R. Corsi, P. F. DeCarlo, A. H. Goldstein, V. H. Grassian, L. Hildebrant Ruiz, J L. Jimenez, T. F. Kahan, E. F. Katz, J. M Mattila, W.  W. Nazaroff, A. Novoselac, V. W. Or, R. E. O'Brien, S. Patel, S. Sankhyan, P. S. Stevens, Y. Tian, M. Wade, C. Wang, S. Zhou, Y, Zhou; Overview of HOMEChem: House Observations of Microbial and Environmental Chemistry; Environmental Science: Processes and Impacts, 2019, 21, 1280-1300. pdf.

• R. E. O'Brien, K. J. Ridley, M. R. Canagaratna, J. T. Jayne, P. L. Croteau, D. R. Worsnop, S. H. Budisulistiorini, J. D. Surratt, Christopher L. Follett, D. J. Repeta, and J. H. Kroll; Ultrasonic Nebulization for the Elemental Analysis of Microgram-Level Samples with Offline Aerosol Mass Spectrometry; Atmos. Meas. Tech., 12, 1659-1671, 2019 pdf

2015-2018

• G. Isaacman-VanWertz, P. Massoli, R. E. O’Brien, C. Y. Lim, J. P. Franklin, J. A. Moss, J. F. Hunter, J. B. Nowak, M. R. Canagaratna, P. K. Misztal, C. Arata, J. R. Roscioli, S. T. Herndon, T. B. Onasch, A. T. Lambe, J. T. Jayne, L. Su, D. A. Knopf, A. H. Goldstein, D. R. Worsnop, and J. H. Kroll, Chemical evolution of atmospheric organic carbon over multiple generations of oxidation, Nature Chemistry, 2018 10:462-468. pdf

• G. Isaacman-VanWertz, P. Massoli, R. E. O’Brien, J. B. Nowak, M. R. Canagaratna, J. T. Jayne, D. R. Worsnop, L. Su, D. A. Knopf, P. K. Misztal, C. Arata, A. H. Goldstein, and J. H. Kroll, Using advanced mass spectrometry techniques to fully characterize atmospheric organic carbon: current capabilities and remaining gaps; Faraday Discussions, 2017, 200:579-598. pdf

• R. C. Moffett, R. E. O’Brien, P. Alpert, S. T. Kelly, D. Q. Pham, M. K. Gilles, D. Knopf, A. Laskin, Morphology and mixing of BC particles collected in central California during the CARES field study, Atmos. Chem. Phys. Disc., 2016, link

• D. Piens, S. T. Kelly, T. Harder, M. Petters, R. O’Brien, B. Wang, K. Teske, P. Dowell, A. Laskin, M. K. Gilles, Measuring mass-based hygroscopicity of atmospheric particles through in-situ imaging, Environ. Sci & Technol., 2016, 50 (10), 5172-5180. link

• R. E. O’Brien, B. Wang, A. Laskin, N. Riemer, M. West, M. K. Gilles, R. C. Moffet, Chemical Imaging of Ambient Aerosol Particles: Observational Constraints on Mixing State Parameterization, J. Geophys. Res. Atmos., 2015, 120, 9591-9605. link 

• R. E. O’Brien, B. Wang, S. T. Kelly, N. Lundt, Y. You, A. K. Bertram, S. R. Leone, A. Laskin, M. K. Gilles, Liquid−Liquid Phase Separation in Aerosol Particles: Imaging at the Nanometer Scale, Environ. Sci & Technol., 2015, 49 (8), 4995-5002. link 

pre-2015

• R. E. O’Brien, A. Neu, S.A. Epstein, A.C. MacMillan, B. Wang, S.T. Kelly, S.A. Nizkorodov, A. Laskin, R. C. Moffet, M.K. Gilles, Physical Properties of Ambient and Laboratory Generated Secondary Organic Aerosol, Geophys. Res. Lett., 2014, vol. 41, 12, link

• R. E. O’Brien, A. Laskin, J. Laskin, C. L. Rubitschun, J.D. Surratt, A.H. Goldstein, Molecular Characterization of S- and N-containing Organic Constituents in Ambient Aerosols by Negative Ion Mode High-Resolution Nanospray Desorption Electrospray Ionization Mass Spectrometry: CalNex 2010 field study, J. Geophys. Res. Atmos., 2014, vol. 119, 22, link 

• D. A. Knopf, P.A. Alpert, B. Wang, R. E. O’Brien, S.T. Kelly, A. Laskin, M. K. Gilles, R. C. Moffet, Microspectroscopic imaging and characterization of individually identified ice nucleating particles from a case field study, J. Geophys. Res. Atmos., 2014, vol. 119, 17, link 

• B. Wang, R. E. O’Brien, S. T. Kelly, J. E. Shilling, R. C. Moffet, M. K. Gilles, A. Laskin, Reactivity of Liquid and Semisolid Secondary Organic Carbon with Chloride and Nitrate in Atmospheric Aerosols, J. Phys. Chem. A, 2014, link 

• R. E. O’Brien, T. B. Nguyen, A. Laskin, J. Laskin, P. Hayes, S. Liu, J. L. Jimenez, L. M. Russell, S. A. Nizkorodov, A. H. Goldstein, Probing molecular associations of field-collected and laboratory-generated SOA with nano-DESI high-resolution mass spectrometry, J. Geophys. Res. Atmos., CalNex Special Issue, 2013, vol. 118, 1-10, link 

• R. E. O’Brien, A. Laskin, J. Laskin, S. Liu, R. Weber, L. M. Russell, A. H. Goldstein, Molecular characterization of organic aerosol using nanospray desorption/electrospray ionization mass spectrometry: CalNex 2010 field study, Atmospheric Environment, 2013, 68 (78), 265-272 link 

• Robinson, E.W.; Sellon, R.E.; Williams, E.R. Peak deconvolution in high-field asymmetric waveform ion mobility spectrometry (FAIMS) to characterize macromolecular conformations, International Journal of Mass Spectrometry, 2007, 259, 87-95. link