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    Academic Journals

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• Catalytic role of formaldehyde in particulate matter formation.

  Authors:Eleni Dovrou, Kelvin H. Bates, Jonathan M. Moch, Loretta J. Mickley, Daniel J. Jacob, and Frank N. KeutschFrom:Proceedings of the National Academy of Sciences of the United States (Vol. 119, Issue 6) Peer-Reviewed

  Feb. 8, 20228,511 words Article 1430L

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• FORest Canopy Atmosphere Transfer (FORCAsT) 2.0: model updates and evaluation with observations at a mixed forest site.

  Authors:Dandan Wei, Hariprasad D. Alwe, Dylan B. Millet, Brandon Bottorff, Michelle Lew, Philip S. Stevens, et al.From:Geoscientific Model Development (Vol. 14, Issue 10) Peer-Reviewed

  Oct. 21, 2021374 words Brief article The FORCAsT (FORest Canopy Atmosphere Transfer) model version 1.0 is updated to FORCAsT 2.0 by implementing five major changes, including (1) a change to the operator splitting, separating chemistry from emission and dry...

• Using collision-induced dissociation to constrain sensitivity of ammonia chemical ionization mass spectrometry (NH.sub.4.sup.+ CIMS) to oxygenated volatile organic compounds

  Authors:Alexander Zaytsev, Martin Breitenlechner, Abigail R. Koss, Christopher Y. Lim, James C. Rowe, Jesse H. Kroll, et al.From:Atmospheric Measurement Techniques (Vol. 12, Issue 3) Peer-Reviewed

  Mar. 20, 201953 words Author abstract, Bri... Byline: Alexander Zaytsev, Martin Breitenlechner, Abigail R. Koss, Christopher Y. Lim, James C. Rowe, Jesse H. Kroll, Frank N. Keutsch To access, purchase, authenticate, or subscribe to the full-text of this article,...

• Fettelite, [[Ag.sub.6][As.sub.2][S.sub.7]][[Ag.sub.10]Hg[As.sub.2] [S.sub.8]] from Chanarcillo, Chile: crystal structure, pseudosymmetry, twinning, and revised chemical formula

  Authors:Luca Bindi, Frank N. Keutsch, Carl A. Francis, and Silvio MenchettiFrom:American Mineralogist (Vol. 94, Issue 4) Peer-Reviewed

  Apr. 2009212 words Author abstract, Rep...

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• Stratospheric solar geoengineering without ozone loss

  Authors:David W. Keith, Debra K. Weisenstein, John A. Dykema, and Frank N. KeutschFrom:Proceedings of the National Academy of Sciences of the United States (Vol. 113, Issue 52) Peer-Reviewed

  Dec. 27, 20165,023 words Report 1580L

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• Kinetics and products of the reaction of the first-generation isoprene hydroxy hydroperoxide (ISOPOOH) with OH

  Authors:Jason M. St. Clair, Jean C. Rivera-Rios, John D. Crounse, Hasse C. Knap, Kelvin H. Bates, Alex P. Teng, et al.From:Journal of Physical Chemistry A (Vol. 120, Issue 9) Peer-Reviewed

  Mar. 10, 201617 words Report

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• Dimensionality-reduction techniques for complex mass spectrometric datasets: application to laboratory atmospheric organic oxidation experiments.

  Authors:Abigail R. Koss, Manjula R. Canagaratna, Alexander Zaytsev, Jordan E. Krechmer, Martin Breitenlechner, Kevin J. Nihill, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 2) Peer-Reviewed

  Jan. 27, 2020437 words Article Oxidation of organic compounds in the atmosphere produces an immensely complex mixture of product species, posing a challenge for both their measurement in laboratory studies and their inclusion in air quality and...

• Water clusters: Untangling the mysteries of the liquid, one molecule at a time

  Authors:Frank N. Keutsch and Richard J. SaykallyFrom:Proceedings of the National Academy of Sciences of the United States (Vol. 98, Issue 19) Peer-Reviewed

  Sept. 11, 200184 words Article

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• Investigation of a potential HCHO measurement artifact from ISOPOOH

  Authors:Jason M. St. Clair, Jean C. Rivera-Rios, John D. Crounse, Eric Praske, Michelle J. Kim, Glenn M. Wolfe, et al.From:Atmospheric Measurement Techniques (Vol. 9, Issue 9) Peer-Reviewed

  Sept. 16, 2016267 words Brief article Recent laboratory experiments have shown that a first generation isoprene oxidation product, ISOPOOH, can decompose to methyl vinyl ketone (MVK) and methacrolein (MACR) on instrument surfaces,...

• Towards a chemical mechanism of the oxidation of aqueous sulfur dioxide via isoprene hydroxyl hydroperoxides (ISOPOOH).

  Authors:Eleni Dovrou, Kelvin H. Bates, Jean C. Rivera-Rios, Joshua L. Cox, Joshua D. Shutter, and Frank N. KeutschFrom:Atmospheric Chemistry and Physics (Vol. 21, Issue 11) Peer-Reviewed

  June 14, 2021262 words Brief article In-cloud chemistry has important ramifications for atmospheric particulate matter formation and gas-phase chemistry. Recent work has shown that, like hydrogen peroxide (H.sub.2 O.sub.2 ), the two main isomers of isoprene...

• Observations of VOC emissions and photochemical products over US oil- and gas-producing regions using high-resolution H.sub.3O.sup.+ CIMS (PTR-ToF-MS)

  Authors:Abigail Koss, Bin Yuan, Carsten Warneke, Jessica B. Gilman, Brian M. Lerner, Patrick R. Veres, et al.From:Atmospheric Measurement Techniques (Vol. 10, Issue 8) Peer-Reviewed

  Aug. 16, 2017251 words Brief article, Repor... VOCs related to oil and gas extraction operations in the United States were measured by H.sub.3 O.sup.+ chemical ionization time-of-flight mass spectrometry (H.sub.3 O.sup.+ ToF-CIMS/PTR-ToF-MS) from aircraft during the...

• Manganoquadratite, AgMnAs[S.sub.3], a new manganese-bearing sulfosalt from the Uchucchacua polymetallic deposit, Lima Department, Peru: description and crystal structure

  Authors:Paola Bonazzi, Frank N. Keutsch, and Luca BindiFrom:American Mineralogist (Vol. 97, Issue 7) Peer-Reviewed

  July 2012 Author abstract, Rep...

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• Water pentamer: Characterization of the torsional-puckering manifold by tetrahertz VRT spectroscopy

  Authors:Heather A. Harker, Mark R. Viant, Frank N. Keutsch, Ernest A. Michael, Ryan P. McLaughlin, and Richard J. SaykallyFrom:Journal of Physical Chemistry A (Vol. 109, Issue 29) Peer-Reviewed

  July 28, 200545 words Article

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• Application of chemical derivatization techniques combined with chemical ionization mass spectrometry to detect stabilized Criegee intermediates and peroxy radicals in the gas phase.

  Authors:Alexander Zaytsev, Martin Breitenlechner, Anna Novelli, Hendrik Fuchs, Daniel A. Knopf, Jesse H. Kroll, et al.From:Atmospheric Measurement Techniques (Vol. 14, Issue 3) Peer-Reviewed

  Mar. 31, 2021335 words Brief article Short-lived highly reactive atmospheric species, such as organic peroxy radicals (RO.sub.2) and stabilized Criegee intermediates (SCIs), play an important role in controlling the oxidative removal and transformation of...

• Measurement techniques for identifying and quantifying hydroxymethanesulfonate (HMS) in an aqueous matrix and particulate matter using aerosol mass spectrometry and ion chromatography.

  Authors:Eleni Dovrou, Christopher Y. Lim, Manjula R. Canagaratna, Jesse H. Kroll, Douglas R. Worsnop, and Frank N. KeutschFrom:Atmospheric Measurement Techniques (Vol. 12, Issue 10) Peer-Reviewed

  Oct. 7, 2019334 words Report, Author abstr...

  Oxidation of sulfur dioxide (SO.sub.2) in the gas phase and in cloud and fog water leads to the formation of sulfate that contributes to ambient particulate matter (PM). For severe haze events with low-light...

• Validity and limitations of simple reaction kinetics to calculate concentrations of organic compounds from ion counts in PTR-MS.

  Authors:Rupert Holzinger, W. Joe F. Acton, William J. Bloss, Martin Breitenlechner, Leigh R. Crilley, Sébastien Dusanter, et al.From:Atmospheric Measurement Techniques (Vol. 12, Issue 11) Peer-Reviewed

  Nov. 27, 2019360 words Brief article In September 2017, we conducted a proton-transfer-reaction mass-spectrometry (PTR-MS) intercomparison campaign at the CESAR observatory, a rural site in the central Netherlands near the village of Cabauw. Nine research...

• Laser-induced phosphorescence for the in situ detection of glyoxal at part per trillion mixing ratios

  Authors:Andrew J. Huisman, John R. Hottle, Katherine L. Coens, Joshua P. DiGangi, Melissa M. Galloway, Aster Kammrath, et al.From:Analytical Chemistry (Vol. 80, Issue 15) Peer-Reviewed

  Aug. 1, 2008162 words Author abstract, Rep...

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• Mechanistic study of the formation of ring-retaining and ring-opening products from the oxidation of aromatic compounds under urban atmospheric conditions.

  Authors:Alexander Zaytsev, Abigail R. Koss, Martin Breitenlechner, Jordan E. Krechmer, Kevin J. Nihill, Christopher Y. Lim, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 23) Peer-Reviewed

  Dec. 13, 2019317 words Brief article Aromatic hydrocarbons make up a large fraction of anthropogenic volatile organic compounds and contribute significantly to the production of tropospheric ozone and secondary organic aerosol (SOA). Four toluene and four...

• Electrodynamic balance--mass spectrometry of single particles as a new platform for atmospheric chemistry research

  Authors:Adam W. Birdsall, Ulrich K. Krieger, and Frank N. KeutschFrom:Atmospheric Measurement Techniques (Vol. 11, Issue 1) Peer-Reviewed

  Jan. 8, 201843 words Author abstract, Bri... Byline: Adam W. Birdsall, Ulrich K. Krieger, Frank N. Keutsch To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• Single-particle experiments measuring humidity and inorganic salt effects on gas-particle partitioning of butenedial.

  Authors:Adam W. Birdsall, Jack C. Hensley, Paige S. Kotowitz, Andrew J. Huisman, and Frank N. KeutschFrom:Atmospheric Chemistry and Physics (Vol. 19, Issue 22) Peer-Reviewed

  Nov. 26, 2019357 words Brief article An improved understanding of the fate and properties of atmospheric aerosol particles requires a detailed process-level understanding of fundamental factors influencing the aerosol, including partitioning of aerosol...