Search Results - "O'brien, Rachel"

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    Liquid–Liquid Phase Separation in Aerosol Particles: Imaging at the Nanometer Scale by O’Brien, Rachel E, Wang, Bingbing, Kelly, Stephen T, Lundt, Nils, You, Yuan, Bertram, Allan K, Leone, Stephen R, Laskin, Alexander, Gilles, Mary K

    Published in Environmental science & technology (21-04-2015)
    “…Atmospheric aerosols can undergo phase transitions including liquid–liquid phase separation (LLPS) while responding to changes in the ambient relative humidity…”
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    Journal Article
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    Photolytic Aging of Secondary Organic Aerosol: Evidence for a Substantial Photo-Recalcitrant Fraction by O’Brien, Rachel E, Kroll, Jesse H

    Published in The journal of physical chemistry letters (18-07-2019)
    “…Photolytic aging has been proposed as a major mass loss mechanism for atmospheric secondary organic aerosol (SOA). However, estimated mass loss rates vary by…”
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    Reactivity of Liquid and Semisolid Secondary Organic Carbon with Chloride and Nitrate in Atmospheric Aerosols by Wang, Bingbing, O’Brien, Rachel E, Kelly, Stephen T, Shilling, John E, Moffet, Ryan C, Gilles, Mary K, Laskin, Alexander

    “…Constituents of secondary organic carbon (SOC) in atmospheric aerosols are often mixed with inorganic components and compose a significant mass fraction of…”
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    Infrared Ion Spectroscopy of Environmental Organic Mixtures: Probing the Composition of α‑Pinene Secondary Organic Aerosol by Walhout, Emma Q, Dorn, Shelby E, Martens, Jonathan, Berden, Giel, Oomens, Jos, Cheong, Paul H.-Y, Kroll, Jesse H, O’Brien, Rachel E

    Published in Environmental science & technology (02-07-2019)
    “…Characterizing the chemical composition of organic aerosols can elucidate aging mechanisms as well as the chemical and physical properties of the aerosol…”
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    Chemical imaging of ambient aerosol particles: Observational constraints on mixing state parameterization by O'Brien, Rachel E., Wang, Bingbing, Laskin, Alexander, Riemer, Nicole, West, Matthew, Zhang, Qi, Sun, Yele, Yu, Xiao-Ying, Alpert, Peter, Knopf, Daniel A., Gilles, Mary K., Moffet, Ryan C.

    “…A new parameterization for quantifying the mixing state of aerosol populations has been applied for the first time to samples of ambient particles analyzed…”
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    Job retention vocational rehabilitation for employed people with inflammatory arthritis (WORK-IA): a feasibility randomized controlled trial by Hammond, Alison, O'Brien, Rachel, Woodbridge, Sarah, Bradshaw, Lucy, Prior, Yeliz, Radford, Kate, Culley, June, Whitham, Diane, Ruth Pulikottil-Jacob

    Published in BMC musculoskeletal disorders (21-07-2017)
    “…Inflammatory arthritis leads to work disability, absenteeism and presenteeism (i.e. at-work productivity loss) at high cost to individuals, employers and…”
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    Effects of the sample matrix on the photobleaching and photodegradation of toluene-derived secondary organic aerosol compounds by Klodt, Alexandra L, Adamek, Marley, Dibley, Monica, Nizkorodov, Sergey A, O'Brien, Rachel E

    Published in Atmospheric chemistry and physics (09-08-2022)
    “…Secondary organic aerosol (SOA) generated from the photooxidation of aromatic compounds in the presence of oxides of nitrogen (NOx) is known to efficiently…”
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    Molecular characterization of organic aerosol using nanospray desorption/electrospray ionization mass spectrometry: CalNex 2010 field study by O’Brien, Rachel E., Laskin, Alexander, Laskin, Julia, Liu, Shang, Weber, Robin, Russell, Lynn M., Goldstein, Allen H.

    Published in Atmospheric environment (1994) (01-04-2013)
    “…Aerosol samples from the CalNex 2010 field study were analyzed using high-resolution mass spectrometry (HR-MS) coupled to a nanospray desorption/electrospray…”
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    Molecular Insights into Dissolved Organic Matter in Natural Dew Water: Biogrime Films on Leaf Surfaces by Dibley, Monica, Jaffe, Aron, O’Brien, Rachel E

    Published in ACS earth and space chemistry (17-03-2022)
    “…Dew water serves as a temporary reservoir of dissolved organic molecules that are released in the morning when the dew evaporates. Many locations allow for…”
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    Morphology and mixing of black carbon particles collected in central California during the CARES field study by Moffet, Ryan C, O'Brien, Rachel E, Alpert, Peter A, Kelly, Stephen T, Pham, Don Q, Gilles, Mary K, Knopf, Daniel A, Laskin, Alexander

    Published in Atmospheric chemistry and physics (23-11-2016)
    “…Aerosol absorption is strongly dependent on the internal heterogeneity (mixing state) and morphology of individual particles containing black carbon (BC) and…”
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    Fresh versus Photo-recalcitrant Secondary Organic Aerosol: Effects of Organic Mixtures on Aqueous Photodegradation of 4‑Nitrophenol by Braman, Tanner, Dolvin, Lydia, Thrasher, Corey, Yu, Hongmin, Walhout, Emma Q, O’Brien, Rachel E

    Published in Environmental science & technology letters (14-04-2020)
    “…In the atmosphere, brown carbon (BrC) molecules can contribute to photochemistry and to the warming and evaporation of cloud droplets. The lifetimes of BrC…”
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    Physical properties of ambient and laboratory-generated secondary organic aerosol by O'Brien, Rachel E., Neu, Alexander, Epstein, Scott A., MacMillan, Amanda C., Wang, Bingbing, Kelly, Stephen T., Nizkorodov, Sergey A., Laskin, Alexander, Moffet, Ryan C., Gilles, Mary K.

    Published in Geophysical research letters (28-06-2014)
    “…The size and thickness of organic aerosol particles collected by impaction in five field campaigns were compared to those of laboratory‐generated secondary…”
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