Articles | Volume 17, issue 18
https://doi.org/10.5194/acp-17-11605-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-11605-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
28 Sep 2017
Research article |
| 28 Sep 2017
Secondary organic aerosol from atmospheric photooxidation of indole
Julia Montoya-Aguilera
Department of Chemistry, University of California, Irvine, CA 92697, USA
Jeremy R. Horne
Department of Mechanical and Aerospace Engineering, University of California, Irvine, CA 92697, USA
Mallory L. Hinks
Department of Chemistry, University of California, Irvine, CA 92697, USA
Lauren T. Fleming
Department of Chemistry, University of California, Irvine, CA 92697, USA
Véronique Perraud
Department of Chemistry, University of California, Irvine, CA 92697, USA
Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA
Alexander Laskin
Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA
Julia Laskin
Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA
Donald Dabdub
Department of Mechanical and Aerospace Engineering, University of California, Irvine, CA 92697, USA
Department of Chemistry, University of California, Irvine, CA 92697, USA
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Cited
23 citations as recorded by crossref.
- Nontarget mass spectrometry and in silico molecular characterization of air pollution from the Indian subcontinent S. Papazian et al. 10.1038/s43247-022-00365-1
- Harmful Cyanobacterial Aerosolization Dynamics in the Airshed of a Eutrophic Estuary H. Plaas et al. 10.2139/ssrn.4125290
- Light absorption and scattering properties of indole secondary organic aerosol prepared under various oxidant and relative humidity conditions V. Baboomian et al. 10.1080/02786826.2023.2193235
- Reactive uptake of ammonia by secondary organic aerosols: Implications for air quality J. Horne et al. 10.1016/j.atmosenv.2018.06.021
- Correcting micro-aethalometer absorption measurements for brown carbon aerosol C. Li et al. 10.1016/j.scitotenv.2021.146143
- Molecular Characterization of Water-Soluble Brown Carbon Chromophores in Snowpack from Northern Xinjiang, China Y. Zhou et al. 10.1021/acs.est.1c07972
- Harmful cyanobacterial aerosolization dynamics in the airshed of a eutrophic estuary H. Plaas et al. 10.1016/j.scitotenv.2022.158383
- Measurement report: Brown carbon aerosol in rural Germany – sources, chemistry, and diurnal variations F. Jiang et al. 10.5194/acp-25-1917-2025
- Solvent effects on chemical composition and optical properties of extracted secondary brown carbon constituents K. Chen et al. 10.1080/02786826.2022.2100734
- Redox potential and cytotoxicity of N-heterocyclic aromatic SOA from indole oxidation in the atmosphere C. Li et al. 10.1016/j.atmosenv.2025.121049
- Comprehensive Molecular Characterization of Atmospheric Brown Carbon by High Resolution Mass Spectrometry with Electrospray and Atmospheric Pressure Photoionization P. Lin et al. 10.1021/acs.analchem.8b02177
- Molecular analysis of secondary organic aerosol and brown carbon from the oxidation of indole F. Jiang et al. 10.5194/acp-24-2639-2024
- Molecular Analysis of Secondary Brown Carbon Produced from the Photooxidation of Naphthalene K. Siemens et al. 10.1021/acs.est.1c03135
- Atmospheric oxidation mechanism and kinetics of indole initiated by ●OH and ●Cl: a computational study J. Xue et al. 10.5194/acp-22-11543-2022
- Evaluation of the 365 nm CAPS PM SSA monitor and its use in both laboratory and field measurements T. Ajith et al. 10.1080/02786826.2025.2488478
- Chemical Composition and Molecular-Specific Optical Properties of Atmospheric Brown Carbon Associated with Biomass Burning A. Hettiyadura et al. 10.1021/acs.est.0c05883
- Chromophores and chemical composition of brown carbon characterized at an urban kerbside by excitation–emission spectroscopy and mass spectrometry F. Jiang et al. 10.5194/acp-22-14971-2022
- Suspect screening and effect evaluation for small-molecule agonists of the antioxidant response element pathway in fine particulate matter W. Liang et al. 10.1016/j.scitotenv.2023.168266
- Probing Atmospheric Aerosols by Multimodal Mass Spectrometry Techniques: Revealing Aging Characteristics of Its Individual Molecular Components K. Siemens et al. 10.1021/acsearthspacechem.3c00228
- Effect of Photolysis on Absorption and Fluorescence Spectra of Light-Absorbing Secondary Organic Aerosols P. Aiona et al. 10.1021/acsearthspacechem.7b00153
- Molecular insights into the composition, sources, and aging of atmospheric brown carbon A. Laskin et al. 10.1039/D3CS00609C
- Aerosol emission from soil during field burning S. Chen et al. 10.1016/j.atmosenv.2023.119924
- Nitrated polycyclic aromatic compounds in the atmospheric environment: A review J. Yan et al. 10.1080/10643389.2020.1748486
23 citations as recorded by crossref.
- Nontarget mass spectrometry and in silico molecular characterization of air pollution from the Indian subcontinent S. Papazian et al. 10.1038/s43247-022-00365-1
- Harmful Cyanobacterial Aerosolization Dynamics in the Airshed of a Eutrophic Estuary H. Plaas et al. 10.2139/ssrn.4125290
- Light absorption and scattering properties of indole secondary organic aerosol prepared under various oxidant and relative humidity conditions V. Baboomian et al. 10.1080/02786826.2023.2193235
- Reactive uptake of ammonia by secondary organic aerosols: Implications for air quality J. Horne et al. 10.1016/j.atmosenv.2018.06.021
- Correcting micro-aethalometer absorption measurements for brown carbon aerosol C. Li et al. 10.1016/j.scitotenv.2021.146143
- Molecular Characterization of Water-Soluble Brown Carbon Chromophores in Snowpack from Northern Xinjiang, China Y. Zhou et al. 10.1021/acs.est.1c07972
- Harmful cyanobacterial aerosolization dynamics in the airshed of a eutrophic estuary H. Plaas et al. 10.1016/j.scitotenv.2022.158383
- Measurement report: Brown carbon aerosol in rural Germany – sources, chemistry, and diurnal variations F. Jiang et al. 10.5194/acp-25-1917-2025
- Solvent effects on chemical composition and optical properties of extracted secondary brown carbon constituents K. Chen et al. 10.1080/02786826.2022.2100734
- Redox potential and cytotoxicity of N-heterocyclic aromatic SOA from indole oxidation in the atmosphere C. Li et al. 10.1016/j.atmosenv.2025.121049
- Comprehensive Molecular Characterization of Atmospheric Brown Carbon by High Resolution Mass Spectrometry with Electrospray and Atmospheric Pressure Photoionization P. Lin et al. 10.1021/acs.analchem.8b02177
- Molecular analysis of secondary organic aerosol and brown carbon from the oxidation of indole F. Jiang et al. 10.5194/acp-24-2639-2024
- Molecular Analysis of Secondary Brown Carbon Produced from the Photooxidation of Naphthalene K. Siemens et al. 10.1021/acs.est.1c03135
- Atmospheric oxidation mechanism and kinetics of indole initiated by ●OH and ●Cl: a computational study J. Xue et al. 10.5194/acp-22-11543-2022
- Evaluation of the 365 nm CAPS PM SSA monitor and its use in both laboratory and field measurements T. Ajith et al. 10.1080/02786826.2025.2488478
- Chemical Composition and Molecular-Specific Optical Properties of Atmospheric Brown Carbon Associated with Biomass Burning A. Hettiyadura et al. 10.1021/acs.est.0c05883
- Chromophores and chemical composition of brown carbon characterized at an urban kerbside by excitation–emission spectroscopy and mass spectrometry F. Jiang et al. 10.5194/acp-22-14971-2022
- Suspect screening and effect evaluation for small-molecule agonists of the antioxidant response element pathway in fine particulate matter W. Liang et al. 10.1016/j.scitotenv.2023.168266
- Probing Atmospheric Aerosols by Multimodal Mass Spectrometry Techniques: Revealing Aging Characteristics of Its Individual Molecular Components K. Siemens et al. 10.1021/acsearthspacechem.3c00228
- Effect of Photolysis on Absorption and Fluorescence Spectra of Light-Absorbing Secondary Organic Aerosols P. Aiona et al. 10.1021/acsearthspacechem.7b00153
- Molecular insights into the composition, sources, and aging of atmospheric brown carbon A. Laskin et al. 10.1039/D3CS00609C
- Aerosol emission from soil during field burning S. Chen et al. 10.1016/j.atmosenv.2023.119924
- Nitrated polycyclic aromatic compounds in the atmospheric environment: A review J. Yan et al. 10.1080/10643389.2020.1748486
Latest update: 21 May 2025
Short summary
Various plant species emit a chemical compound called indole under stressed conditions or during flowering events. Our experiments show that indole can be oxidized in the atmosphere to produce a brownish haze containing well-known indole-derived dyes, such as indigo dye. An airshed model that includes indole chemistry shows that indole aerosol makes a significant contribution to the total aerosol burden and to visibility.
Various plant species emit a chemical compound called indole under stressed conditions or during...
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