Articles | Volume 16, issue 10
https://doi.org/10.5194/amt-16-2641-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-16-2641-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 May 2023
Research article |
| 30 May 2023
| 30 May 2023
An automated online field instrument to quantify the oxidative potential of aerosol particles via ascorbic acid oxidation
Battist Utinger
Department of Environmental Sciences, University of Basel, 4056 Basel, Switzerland
Steven John Campbell
Department of Environmental Sciences, University of Basel, 4056 Basel, Switzerland
Department of Atmospheric and Oceanic Sciences, University of
California at Los Angeles, Los Angeles, CA 90095-1565, USA
Nicolas Bukowiecki
Department of Environmental Sciences, University of Basel, 4056 Basel, Switzerland
Alexandre Barth
Department of Environmental Sciences, University of Basel, 4056 Basel, Switzerland
Benjamin Gfeller
Department of Environmental Sciences, University of Basel, 4056 Basel, Switzerland
Ray Freshwater
Department of Chemistry, Centre for Atmospheric Science, University of Cambridge, Cambridge, CB2 1EW, UK
Hans-Rudolf Rüegg
Department of Environmental Sciences, University of Basel, 4056 Basel, Switzerland
Markus Kalberer
CORRESPONDING AUTHOR
Department of Environmental Sciences, University of Basel, 4056 Basel, Switzerland
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Cited
11 citations as recorded by crossref.
- Iron and Copper Alter the Oxidative Potential of Secondary Organic Aerosol: Insights from Online Measurements and Model Development S. Campbell et al. 10.1021/acs.est.3c01975
- Indoor–Outdoor Oxidative Potential of PM2.5 in Wintertime Fairbanks, Alaska: Impact of Air Infiltration and Indoor Activities Y. Yang et al. 10.1021/acsestair.3c00067
- Emission dynamics of reactive oxygen species and oxidative potential in particles from a petrol car and wood stove B. Utinger et al. 10.5194/ar-3-205-2025
- A coupled atmospheric simulation chamber system for the production of realistic aerosols and preclinical model exposure M. Georgopoulou et al. 10.1007/s11869-024-01611-5
- Short-lived reactive components substantially contribute to particulate matter oxidative potential S. Campbell et al. 10.1126/sciadv.adp8100
- Assessment of oxidative stress induced by atmospheric particulate matter: from acellular and cellular assays to the use of model and experimental organisms E. Vaccarella et al. 10.1016/j.scitotenv.2025.178651
- Reactive oxygen species buildup in photochemically aged iron- and copper-doped secondary organic aerosol proxy K. Kilchhofer et al. 10.5194/ar-3-337-2025
- Machine learning approaches to predict oxidative potential of fine particulate matter based on chemical constituents J. Lee et al. 10.1016/j.engappai.2025.111170
- The efficiency of EURO 6d car particulate filters is compromised by atmospheric aging: In vitro toxicity of gasoline car exhaust M. Delaval et al. 10.1126/sciadv.adq2348
- High time resolution quantification of PM2.5 oxidative potential at a Central London roadside supersite S. Campbell et al. 10.1016/j.envint.2024.109102
- Robust quantification of the burst of OH radicals generated by ambient particles in nascent cloud droplets using a direct-to-reagent approach S. Taghvaee et al. 10.1016/j.scitotenv.2023.165736
11 citations as recorded by crossref.
- Iron and Copper Alter the Oxidative Potential of Secondary Organic Aerosol: Insights from Online Measurements and Model Development S. Campbell et al. 10.1021/acs.est.3c01975
- Indoor–Outdoor Oxidative Potential of PM2.5 in Wintertime Fairbanks, Alaska: Impact of Air Infiltration and Indoor Activities Y. Yang et al. 10.1021/acsestair.3c00067
- Emission dynamics of reactive oxygen species and oxidative potential in particles from a petrol car and wood stove B. Utinger et al. 10.5194/ar-3-205-2025
- A coupled atmospheric simulation chamber system for the production of realistic aerosols and preclinical model exposure M. Georgopoulou et al. 10.1007/s11869-024-01611-5
- Short-lived reactive components substantially contribute to particulate matter oxidative potential S. Campbell et al. 10.1126/sciadv.adp8100
- Assessment of oxidative stress induced by atmospheric particulate matter: from acellular and cellular assays to the use of model and experimental organisms E. Vaccarella et al. 10.1016/j.scitotenv.2025.178651
- Reactive oxygen species buildup in photochemically aged iron- and copper-doped secondary organic aerosol proxy K. Kilchhofer et al. 10.5194/ar-3-337-2025
- Machine learning approaches to predict oxidative potential of fine particulate matter based on chemical constituents J. Lee et al. 10.1016/j.engappai.2025.111170
- The efficiency of EURO 6d car particulate filters is compromised by atmospheric aging: In vitro toxicity of gasoline car exhaust M. Delaval et al. 10.1126/sciadv.adq2348
- High time resolution quantification of PM2.5 oxidative potential at a Central London roadside supersite S. Campbell et al. 10.1016/j.envint.2024.109102
- Robust quantification of the burst of OH radicals generated by ambient particles in nascent cloud droplets using a direct-to-reagent approach S. Taghvaee et al. 10.1016/j.scitotenv.2023.165736
Latest update: 07 Jul 2025
Short summary
Exposure to atmospheric aerosols can lead to adverse health effect, but particle components responsible for this are unknown. Redox-active compounds, some with very short lifetimes, are considered to be a toxic class of compounds in particles. We developed the first online field instrument to quantify short-lived and stable redox-active compounds with a physiological assay based on ascorbic acid and a high time resolution and detection limits to allow measurements at unpolluted locations.
Exposure to atmospheric aerosols can lead to adverse health effect, but particle components...
