Enigma of Urban Gaseous Oxygenated Organic Molecules: Precursor Type, Role of NOx, and Degree of Oxygenation.
Sign Up to like & getrecommendations! Published in 2022 at "Environmental science & technology"
DOI: 10.1021/acs.est.2c05047
Abstract: Oxidation of volatile organic compounds (VOCs) forms oxygenated organic molecules (OOMs), which contribute to secondary pollution. Herein, we present measurement results of OOMs using chemical ionization mass spectrometry with nitrate as the reagent ion in… read more here.
Keywords: enigma urban; urban gaseous; organic molecules; oxygenated organic ... See more keywords
Molecular Characterization of Oxygenated Organic Molecules and Their Dominating Roles in Particle Growth in Hong Kong.
Sign Up to like & getrecommendations! Published in 2023 at "Environmental science & technology"
DOI: 10.1021/acs.est.2c09252
Abstract: Oxygenated organic molecules (OOMs) are critical intermediates linking volatile organic compound oxidation and secondary organic aerosol (SOA) formation. Yet, the understanding of OOM components, formation mechanism, and impacts are still limited, especially for urbanized regions… read more here.
Keywords: oxidation; particle growth; growth; organic molecules ... See more keywords
Characterization of thermal decomposition of oxygenated organic compounds in FIGAERO-CIMS
Sign Up to like & getrecommendations! Published in 2021 at "Aerosol Science and Technology"
DOI: 10.1080/02786826.2021.1945529
Abstract: Abstract The Filter Inlet for Gases and AEROsols coupled with a chemical ionization mass spectrometer (FIGAERO-CIMS) measures particle-phase organics via temperature-programmed thermal desorption, though the extent to which different compounds undergo thermal decomposition is not… read more here.
Keywords: oxygenated organic; thermal decomposition; decomposition oxygenated; figaero cims ... See more keywords
On the fate of oxygenated organic molecules in atmospheric aerosol particles
Sign Up to like & getrecommendations! Published in 2020 at "Science Advances"
DOI: 10.1126/sciadv.aax8922
Abstract: Real-time investigation of the intraparticle reactions in secondary organic aerosol. Highly oxygenated organic molecules (HOMs) are formed from the oxidation of biogenic and anthropogenic gases and affect Earth’s climate and air quality by their key… read more here.
Keywords: phase; oxygenated organic; molecules atmospheric; organic molecules ... See more keywords
Formation of highly oxygenated organic molecules from chlorine-atom-initiated oxidation of alpha-pinene
Sign Up to like & getrecommendations! Published in 2020 at "Atmospheric Chemistry and Physics"
DOI: 10.5194/acp-20-5145-2020
Abstract: Abstract. Highly oxygenated organic molecules (HOMs) from atmospheric oxidation of alpha-pinene can irreversibly condense to particles and contribute to secondary organic aerosol (SOA) formation. Recently, the formation of nitryl chloride ( ClNO2 ) from heterogeneous… read more here.
Keywords: oxygenated organic; oxidation alpha; alpha pinene; highly oxygenated ... See more keywords