Articles | Volume 24, issue 7
https://doi.org/10.5194/acp-24-3953-2024
© Author(s) 2024. 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-24-3953-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Apr 2024
Research article |
| 03 Apr 2024
| 03 Apr 2024
Chemical properties and single-particle mixing state of soot aerosol in Houston during the TRACER campaign
Ryan N. Farley
Department of Environmental Toxicology, University of California, Davis, CA 95616, USA
Agricultural and Environmental Chemistry Graduate Group, University of California, Davis, CA 95616, USA
James E. Lee
Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, USA
Laura-Hélèna Rivellini
Department of Chemistry, University of Toronto, Toronto, ON, Canada
Alex K. Y. Lee
Air Quality Processes Research Section, Environment and Climate Change Canada, Toronto, ON, Canada
Rachael Dal Porto
Department of Civil and Environmental Engineering, University of California, Davis, CA 95616 USA
Christopher D. Cappa
Agricultural and Environmental Chemistry Graduate Group, University of California, Davis, CA 95616, USA
Department of Civil and Environmental Engineering, University of California, Davis, CA 95616 USA
Kyle Gorkowski
Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, USA
Abu Sayeed Md Shawon
Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, USA
Katherine B. Benedict
Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, USA
Allison C. Aiken
Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, USA
Manvendra K. Dubey
Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, USA
Department of Environmental Toxicology, University of California, Davis, CA 95616, USA
Agricultural and Environmental Chemistry Graduate Group, University of California, Davis, CA 95616, USA
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Cited
13 citations as recorded by crossref.
- Nucleation-Mode-Particle Emissions from Biosolid Processing Plants L. Cai et al. https://doi.org/10.1021/acs.est.5c08034
- Physicochemical properties of traffic-related particles by single-particle analysis L. Duan et al. https://doi.org/10.1007/s11783-026-2163-3
- From κ to χ: evaluating hygroscopicity-based mixing state estimates with a particle-resolved model Y. Liu et al. https://doi.org/10.5194/acp-26-10965-2026
- Photochemical and Cloud and Aerosol Aqueous Contributions to Regionally-Emitted Shipping and Biogenic Non-Sea-Salt Sulfate Aerosol in Coastal California N. Maneenoi et al. https://doi.org/10.1021/acsestair.4c00352
- Interfacial chemistry and multiscale aging of atmospheric black carbon: from surface reactions to coating, morphology, and model parameterization J. Cao et al. https://doi.org/10.1039/D6EA00093B
- Single-particle chemical analysis reveals organic-rich detonation soot products R. Farley et al. https://doi.org/10.1038/s42004-025-01879-3
- Advances in characterization of black carbon particles and their associated coatings using the soot-particle aerosol mass spectrometer in Singapore, a complex city environment M. Ma et al. https://doi.org/10.5194/acp-25-8185-2025
- Temporal Evolution and Vertical Distribution of Size-Resolved Aerosol Composition and Mixing State within the Boundary Layer Using an Unmanned Aerial Vehicle T. Zhang et al. https://doi.org/10.1021/acs.est.6c03627
- Analyzing Climate Change Awareness Campaigns: A Bibliometric Study of Scientific Research V. Gherheș et al. https://doi.org/10.3390/su17093979
- Marine air promotes structural compaction and coating growth of soot aerosols after long-range transport from East Asia L. Xu et al. https://doi.org/10.1016/j.jes.2026.01.047
- Climate models project increasing precipitation in the US Southwest in 2024–2100 P. Chylek et al. https://doi.org/10.1007/s00382-025-07857-8
- Chemical and morphological characterisation of soot particles emitted by medium-duty gasoline compression ignition transport engine A. Agarwal & M. Krishnamoorthi https://doi.org/10.1016/j.atmosenv.2025.121657
- Resolving Mixtures of Soot Characterized by SP-AMS Spectra Using a Latent Dirichlet Allocation Model M. Stricklin et al. https://doi.org/10.1080/26941899.2025.2600718
13 citations as recorded by crossref.
- Nucleation-Mode-Particle Emissions from Biosolid Processing Plants L. Cai et al. https://doi.org/10.1021/acs.est.5c08034
- Physicochemical properties of traffic-related particles by single-particle analysis L. Duan et al. https://doi.org/10.1007/s11783-026-2163-3
- From κ to χ: evaluating hygroscopicity-based mixing state estimates with a particle-resolved model Y. Liu et al. https://doi.org/10.5194/acp-26-10965-2026
- Photochemical and Cloud and Aerosol Aqueous Contributions to Regionally-Emitted Shipping and Biogenic Non-Sea-Salt Sulfate Aerosol in Coastal California N. Maneenoi et al. https://doi.org/10.1021/acsestair.4c00352
- Interfacial chemistry and multiscale aging of atmospheric black carbon: from surface reactions to coating, morphology, and model parameterization J. Cao et al. https://doi.org/10.1039/D6EA00093B
- Single-particle chemical analysis reveals organic-rich detonation soot products R. Farley et al. https://doi.org/10.1038/s42004-025-01879-3
- Advances in characterization of black carbon particles and their associated coatings using the soot-particle aerosol mass spectrometer in Singapore, a complex city environment M. Ma et al. https://doi.org/10.5194/acp-25-8185-2025
- Temporal Evolution and Vertical Distribution of Size-Resolved Aerosol Composition and Mixing State within the Boundary Layer Using an Unmanned Aerial Vehicle T. Zhang et al. https://doi.org/10.1021/acs.est.6c03627
- Analyzing Climate Change Awareness Campaigns: A Bibliometric Study of Scientific Research V. Gherheș et al. https://doi.org/10.3390/su17093979
- Marine air promotes structural compaction and coating growth of soot aerosols after long-range transport from East Asia L. Xu et al. https://doi.org/10.1016/j.jes.2026.01.047
- Climate models project increasing precipitation in the US Southwest in 2024–2100 P. Chylek et al. https://doi.org/10.1007/s00382-025-07857-8
- Chemical and morphological characterisation of soot particles emitted by medium-duty gasoline compression ignition transport engine A. Agarwal & M. Krishnamoorthi https://doi.org/10.1016/j.atmosenv.2025.121657
- Resolving Mixtures of Soot Characterized by SP-AMS Spectra Using a Latent Dirichlet Allocation Model M. Stricklin et al. https://doi.org/10.1080/26941899.2025.2600718
Saved (final revised paper)
Latest update: 21 Sep 2026
Short summary
The black carbon aerosol composition and mixing state were characterized using a soot particle aerosol mass spectrometer. Single-particle measurements revealed the major role of atmospheric processing in modulating the black carbon mixing state. A significant fraction of soot particles were internally mixed with oxidized organic aerosol and sulfate, with implications for activation as cloud nuclei.
The black carbon aerosol composition and mixing state were characterized using a soot particle...
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