Výsledky vyhledávání - "Ivan R. Piletic"

Linking gas, particulate, and toxic endpoints to air emissions in the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM)

Autor: Havala O. T. Pye, Bryan K. Place, Benjamin N. Murphy, Karl M. Seltzer, Emma L. D'Ambro, Christine Allen, Ivan R. Piletic, Sara Farrell, Rebecca H. Schwantes, Matthew M. Coggon, Emily Saunders, Lu Xu, Golam Sarwar, William T. Hutzell, Kristen M. Foley, George Pouliot, Jesse Bash, William R. Stockwell

Publikováno v: Atmospheric Chemistry and Physics. 23:5043-5099

Chemical mechanisms describe the atmospheric transformations of organic and inorganic species and connect air emissions to secondary species such as ozone, fine particles, and hazardous air pollutants (HAPs) like formaldehyde. Recent advances in our

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::697f0cda7cfc17a2c0c461e9de8ead1d
https://doi.org/10.5194/acp-23-5043-2023

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Rates and Yields of Unimolecular Reactions Producing Highly Oxidized Peroxy Radicals in the OH-Induced Autoxidation of α-Pinene, β-Pinene, and Limonene

Autor: Ivan R. Piletic, Tadeusz E. Kleindienst

Publikováno v: J Phys Chem A

Recent ambient atmospheric measurements have detected highly oxygenated organic molecules (HOMs) at many sites and are a consequence of autoxidation processes occurring at ambient temperatures. Monoterpenes in particular have a propensity to autoxidi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87315e572a87dd42c4de7c1455fcb475
https://doi.org/10.1021/acs.jpca.1c07961

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Synthesis and hydrolysis of atmospherically relevant monoterpene-derived organic nitrates

Autor: Yuchen Wang, Ivan R. Piletic, Masayuki Takeuchi, Tianchang Xu, Stefan France, Nga Lee Ng

Publikováno v: Environ Sci Technol

The partition of gas-phase organic nitrates (ONs) to aerosols and subsequent hydrolysis is regarded as an important loss mechanism for ON species. However, the hydrolysis mechanisms and the major factors controlling the hydrolysis lifetime are not fu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f531dcd6934583a3a1badb2ffcb1d9d
https://europepmc.org/articles/PMC8863268/

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Multigenerational Theoretical Study of Isoprene Peroxy Radical 1–5-Hydrogen Shift Reactions that Regenerate HOx Radicals and Produce Highly Oxidized Molecules

Autor: Edward O. Edney, Ivan R. Piletic, Surender Kaushik, Richard Howell, Tadeusz E. Kleindienst, Libero J. Bartolotti

Publikováno v: The Journal of Physical Chemistry A. 123:906-919

A computational protocol is employed to glean new insight into the kinetics of several 1,5-hydrogen atom (H) shift reactions subsequent to first- and second-generation OH/O2 additions to isoprene. The M06-2X density functional was initially used with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9bef5a24c8bbe7a1885187c7d34a676
https://doi.org/10.1021/acs.jpca.8b09738

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Rapid Production of Highly Oxidized Molecules in Isoprene Aerosol via Peroxy and Alkoxy Radical Isomerization Pathways in Low and High NO(x) Environments: Combined Laboratory, Computational and Field Studies

Autor: Krzysztof J. Rudzinski, Mohammed Jaoui, Rafal Szmigielski, Ivan R. Piletic, Theran P. Riedel, Tadeusz E. Kleindienst, Michael Lewandowski

Publikováno v: Sci Total Environ

Recently, we identified seven novel hydroxy-carboxylic acids resulting from gas-phase reactions of isoprene in the presence of nitrogen oxides (NO(x)), ozone (O(3)), and/or hydroxyl radicals (OH). In the present study, we provide evidence that hydrox

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::750c66eeb8226ba116ac45dbc5ca4570
https://europepmc.org/articles/PMC8363757/

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Dynamics of Water in Nation Fuel Cell Membranes: the Effects of Confinement and Structural Changes on the Hydrogen Bonding Network

Autor: Michael D. Fayer, Ivan R. Piletic, David E. Moilanen

Publikováno v: 2007 Cleantech Conference and Trade Show Cleantech 2007 ISBN: 9780429187469

The complex environment experienced by water molecules in the hydrophilic channels of Nafion fuel cell membranes is studied by ultrafast infrared pump-probe spectroscopy. A wavelength dependent study of the vibrational lifetime of the O-D stretch of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ccd8167bd3bb3d1de4351fc3e356655
https://doi.org/10.1201/9780429187469-52

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Multigenerational Theoretical Study of Isoprene Peroxy Radical 1-5-Hydrogen Shift Reactions that Regenerate HO

Autor: Ivan R, Piletic, Richard, Howell, Libero J, Bartolotti, Tadeusz E, Kleindienst, Surender M, Kaushik, Edward O, Edney

Publikováno v: The journal of physical chemistry. A. 123(4)

A computational protocol is employed to glean new insight into the kinetics of several 1,5-hydrogen atom (H) shift reactions subsequent to first- and second-generation OH/ O2 additions to isoprene. The M06–2X density functional was initially used w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::b608419fc30aff9eb0dabd473422d6eb
https://pubmed.ncbi.nlm.nih.gov/30589543

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