Articles | Volume 18, issue 16
https://doi.org/10.5194/acp-18-12413-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-12413-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Aug 2018
Research article |
| 28 Aug 2018
| 28 Aug 2018
Evidence for pyrazine-based chromophores in cloud water mimics containing methylglyoxal and ammonium sulfate
Lelia Nahid Hawkins
CORRESPONDING AUTHOR
Department of Chemistry, Harvey Mudd College, 301 Platt Blvd, Claremont, CA 91711, USA
Hannah G. Welsh
Department of Chemistry, Harvey Mudd College, 301 Platt Blvd, Claremont, CA 91711, USA
Matthew V. Alexander
Department of Chemistry, Pomona College, Claremont, CA 91711, USA
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32 citations as recorded by crossref.
- Ultrahigh performance LC/FT-MS non-targeted screening for biomass burning organic aerosol with MZmine2 and MFAssignR T. Divisekara et al. 10.1016/j.chemosphere.2023.139403
- Molecular mechanism of color deepening of ready-to-eat shrimp during storage N. Li et al. 10.1016/j.foodchem.2024.139332
- Kinetics and Oligomer Products of the Multiphase Reactions of Hydroxyacetone with Atmospheric Amines, Ammonium Sulfate, and Cloud Processing D. De Haan et al. 10.1021/acsearthspacechem.4c00237
- Enhancing characterization of organic nitrogen components in aerosols and droplets using high-resolution aerosol mass spectrometry X. Ge et al. 10.5194/amt-17-423-2024
- Substantial organic impurities at the surface of synthetic ammonium sulfate particles J. Wu et al. 10.5194/amt-15-3859-2022
- Glyoxal's impact on dry ammonium salts: fast and reversible surface aerosol browning D. De Haan et al. 10.5194/acp-20-9581-2020
- Chemical and Light-Absorption Properties of Water-Soluble Organic Aerosols in Northern California and Photooxidant Production by Brown Carbon Components W. Jiang et al. 10.1021/acsearthspacechem.3c00022
- UV/Vis and IRMPD Spectroscopic Analysis of the Absorption Properties of Methylglyoxal Brown Carbon L. Vo et al. 10.1021/acsearthspacechem.1c00022
- Aqueous-phase chemistry of glyoxal with multifunctional reduced nitrogen compounds: a potential missing route for secondary brown carbon Y. Ji et al. 10.5194/acp-24-3079-2024
- Wildfire Smoke Influence on Cloud Water Chemical Composition at Whiteface Mountain, New York J. Lee et al. 10.1029/2022JD037177
- Aging of Atmospheric Brown Carbon Aerosol R. Hems et al. 10.1021/acsearthspacechem.0c00346
- Extreme Molecular Complexity Resulting in a Continuum of Carbonaceous Species in Biomass Burning Tar Balls from Wildfire Smoke M. Brege et al. 10.1021/acsearthspacechem.1c00141
- Brown Carbon Formation Potential of the Biacetyl–Ammonium Sulfate Reaction System D. Grace et al. 10.1021/acsearthspacechem.0c00096
- Competing Photochemical Effects in Aqueous Carbonyl/Ammonium Brown Carbon Systems J. Sharp et al. 10.1021/acsearthspacechem.1c00165
- Insights into the triplet photochemistry of atmospheric aerosol and subfractions isolated with different polarity J. Li et al. 10.1016/j.atmosenv.2022.119375
- Research progress on secondary formation, photosensitive reaction mechanism and human health effects of chromophoric brown carbon B. Chen et al. 10.1016/j.jes.2024.04.003
- Molecular Characterization of Water‐Soluble Brown Carbon Chromophores in Beijing, China C. Yan et al. 10.1029/2019JD032018
- Separation and detection of aqueous atmospheric aerosol mimics using supercritical fluid chromatography–mass spectrometry D. Grace et al. 10.5194/amt-12-3841-2019
- Spectroscopic and Photochemical Properties of Secondary Brown Carbon from Aqueous Reactions of Methylglyoxal A. Harrison et al. 10.1021/acsearthspacechem.0c00061
- Heterocyclic Product Formation in Aqueous Brown Carbon Systems D. Grace et al. 10.1021/acsearthspacechem.9b00235
- Brown Carbon Formation by Aqueous-Phase Reactions of Glycolaldehyde and Methylamine C. Carthy et al. 10.1021/acsearthspacechem.4c00200
- Photooxidants from brown carbon and other chromophores in illuminated particle extracts R. Kaur et al. 10.5194/acp-19-6579-2019
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- Chemical processing of water-soluble species and formation of secondary organic aerosol in fogs H. Kim et al. 10.1016/j.atmosenv.2018.11.062
- New Insights into the Brown Carbon Chromophores and Formation Pathways for Aqueous Reactions of α-Dicarbonyls with Amines and Ammonium L. Yang et al. 10.1021/acs.est.3c04133
- Oligomerization Mechanism of Methylglyoxal Regulated by the Methyl Groups in Reduced Nitrogen Species: Implications for Brown Carbon Formation Q. Shi et al. 10.1021/acs.est.3c05983
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- Nitrogen-containing secondary organic aerosol formation by acrolein reaction with ammonia/ammonium Z. Li et al. 10.5194/acp-19-1343-2019
- Radical-Initiated Brown Carbon Formation in Sunlit Carbonyl–Amine–Ammonium Sulfate Mixtures and Aqueous Aerosol Particles N. Jimenez et al. 10.1021/acsearthspacechem.1c00395
- Cross-Reactions of Glyoxal and Glycolaldehyde in Aqueous Aerosol Mimics: Implications for Brown Carbon Product Formation B. Henesey et al. 10.1021/acsestair.4c00192
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- Formation and photochemical properties of aqueous brown carbon through glyoxal reactions with glycine Y. Gao & Y. Zhang 10.1039/C8RA06913A
Latest update: 11 Mar 2025
Short summary
Atmospheric reactions can change the color of particles; this has implications for global climate. We present evidence of pyrazine compounds in cloud water mimics. We measured changes in brownness and composition during evaporation and acidity changes to understand the importance of the new compounds because the reactions parallel browning in foods. Drying favors browning and pyrazine formation, while acidity favors only pyrazine formation. Even acidic cloud water, when dried, produce pyrazines.
Atmospheric reactions can change the color of particles; this has implications for global...
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