Articles | Volume 17, issue 16
https://doi.org/10.5194/acp-17-9853-2017
© 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-17-9853-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
22 Aug 2017
Research article |
| 22 Aug 2017
Multiphase composition changes and reactive oxygen species formation during limonene oxidation in the new Cambridge Atmospheric Simulation Chamber (CASC)
Peter J. Gallimore
Department of Chemistry, University of Cambridge, Lensfield Road,
Cambridge, CB2 1EW, UK
Brendan M. Mahon
Department of Chemistry, University of Cambridge, Lensfield Road,
Cambridge, CB2 1EW, UK
Francis P. H. Wragg
Department of Chemistry, University of Cambridge, Lensfield Road,
Cambridge, CB2 1EW, UK
Stephen J. Fuller
Department of Chemistry, University of Cambridge, Lensfield Road,
Cambridge, CB2 1EW, UK
Chiara Giorio
Department of Chemistry, University of Cambridge, Lensfield Road,
Cambridge, CB2 1EW, UK
now at: Aix Marseille Univ, CNRS, LCE Marseille, France
Ivan Kourtchev
Department of Chemistry, University of Cambridge, Lensfield Road,
Cambridge, CB2 1EW, UK
now at: Department of Chemistry, University College Cork, College
Road, Cork, Ireland
Markus Kalberer
CORRESPONDING AUTHOR
Department of Chemistry, University of Cambridge, Lensfield Road,
Cambridge, CB2 1EW, UK
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Lorrie S. D. Jacob, Yao Ge, Chiara Giorio, and Alexander T. Archibald
EGUsphere, https://doi.org/10.5194/egusphere-2026-4710, https://doi.org/10.5194/egusphere-2026-4710, 2026
This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Dimethyl sulfide and methanethiol are sulfur compounds released from the ocean that break down in the atmosphere, forming acids that can affect clouds and aerosols. Understanding these processes is important for improving climate predictions, but the reactions involved are too numerous for large climate models. In our work, we simplify a detailed, evaluated reaction mechanism and show that it can reproduce the original chemistry, whilst being suitable for climate models.
Anouk Marsal, Fabrizia Cavalli, Elise Di Antonio, Stephan Houdier, Pamela Dominutti, Sophie Darfeuil, Jean-Luc Jaffrezo, Stéphane Sauvage, Jean-Philippe Putaud, Ian S. Mudway, Athanasios Nenes, Aikaterini Bougiatioti, Nikolaos Mihalopoulos, André S. H. Prévôt, Despina Paraskevopoulou, Ana Cvitešić Kušan, Sanja Frka, Ana Kroflič, Ajda Delić, Blanka Tariba Lovaković, Andreja Jurič, Carolina Molina, Daniele Contini, Maria Rachele Guascito, Mathilde Lintz, Davy Rousset, Hartmut Herrmann, Eduardo J. d. S. Souza, Frédéric Ledoux, Marc Fadel, Haoran Yu, Jianzhen Yu, Maria Teresa Baeza Romero, Maria Cerrato-Alvarez, Marloes F. van Os, Mathilde N. Delaval, Yamaris Mercedes Mena Cabrera, Nicole Trieu, Greg Evans, Nuria Galindo, Noelia Gómez-Sanchez, Hana Hlaváčková, Pavel Mikuška, Shrutika Kadam, Pourya Shahpoury, Purificación López-Mahía, Jorge Moreda-Piñeiro, Rico K. Y. Cheung, Markus Kalberer, Micol Introna, Sarah S. Steimer, Zhuoying Lin, Suzanne E. Paulson, Saima Iram, Svetlana Stevanovic, Thomas Audoux, Laurent Y. Alleman, Jianing Liu, Ting Fang, P. S. Ganesh Subramanian, Vishal Verma, Tuukka Petäjä, Xavier Querol, Gerard Hoek, Roy M. Harrison, and Gaëlle Uzu
EGUsphere, https://doi.org/10.5194/egusphere-2026-3918, https://doi.org/10.5194/egusphere-2026-3918, 2026
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This collaborative work from 26 worldwide laboratories assessed the measurement of atmospheric particles' oxidative potential (OP) using a common protocol. OP is a metric designed to inform on particles’ harmful effects. Over half of the laboratories obtained satisfactory results, and some critical steps such as liquid handling and OP mathematical determination were identified. Recommendations for future measurements and interlaboratory comparisons are also provided.
Ashmi Mishra, Steven Lelieveld, Matteo Krüger, Steven J. Campbell, Deepchandra Srivastava, Grazia Maria Lanzafame, Sophie Tomaz, Olivier Favez, Nicolas Bonnaire, Franco Lucarelli, Laurent Y. Alleman, Gaëlle Uzu, Jean-Luc Jaffrezo, Gang I. Chen, David C. Green, Max Priestman, Anja H. Tremper, Alexandre Barth, Markus Kalberer, Benjamin A. Musa Bandowe, Gerhard Lammel, Ulrich Pöschl, Pourya Shahpoury, Alexandre Albinet, and Thomas Berkemeier
Atmos. Chem. Phys., 26, 10605–10627, https://doi.org/10.5194/acp-26-10605-2026, https://doi.org/10.5194/acp-26-10605-2026, 2026
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In this study, we develop and apply a kinetic model that estimates oxidative potential (OP) based on particulate matter (PM) composition. The model consolidates a large set of laboratory data from different OP assays in the presence of organic molecules, metals, and quinones. We applied the model to field data of PM composition and OP and found good agreement across three sites. The model analysis indicates that OP is mainly driven by organic molecules and copper.
Olalekan A. M. Popoola, Paolo Cicuta, Rachel H. Georgiou, Lawrence Tom, Ray Freshwater, Kelsey Leet, and Chiara Giorio
EGUsphere, https://doi.org/10.5194/egusphere-2026-2702, https://doi.org/10.5194/egusphere-2026-2702, 2026
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Low-cost CO2 sensors are widely used in cities, but their use in rural environments remains limited. This study shows that, after correcting for environmental effects such as temperature and pressure, these sensors can reliably measure CO2 in agricultural landscapes. The corrected sensors closely matched high-quality reference instruments and successfully captured daily and seasonal changes in rural CO2, demonstrating their potential for long-term climate and land-use monitoring.
Paola Formenti, Danitza Klopper, Anais Feron, Mathieu Cazaunau, Servanne Chevaillier, Karine Desboeufs, Claudia Di Biagio, Clarissa Baldo, Cécile Gaimoz, Vincent Michoud, Cécile Mirande-Bret, Sylvain Triquet, François Hemeret, Richard Valorso, Stephen Broccardo, Andreas Namwoonde, Mattheus Hanghome, Chiara Giorio, and Stuart J. Piketh
Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2026-95, https://doi.org/10.5194/essd-2026-95, 2026
Revised manuscript under review for ESSD
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The southern African west coast is highly impacted by climate change and aerosols from natural and human sources, yet observations are scarce. We present measurements (2014–2019) from the Henties Bay Aerosol Observatory in Namibia, including aerosol properties, ozone and meteorology. This unique dataset will support process studies and improve regional climate modelling.
Lorrie S. D. Jacob, Benedict E. H. Harvey, Chiara Giorio, and Alexander T. Archibald
Atmos. Chem. Phys., 26, 3567–3587, https://doi.org/10.5194/acp-26-3567-2026, https://doi.org/10.5194/acp-26-3567-2026, 2026
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We develop an approach to determine the uncertainty in reactions involved in the breakdown of dimethyl sulfide and methanethiol in the atmosphere, and run simulations spanning temperate, tropical, and polar conditions to quantify the impacts of this uncertainty on the concentration of these sulfur species and their products. We extend this analysis to identify key reactions that drive the uncertainty and highlight areas for further experimental and theoretical work.
Ivan Kourtchev, Steve Coupe, Alison Buckley, Jishnu Pandamkulangara Kizhakkethil, Elena Gatta, Dario Massabò, Paolo Prati, Virginia Vernocchi, and Federico Mazzei
Atmos. Chem. Phys., 26, 3237–3252, https://doi.org/10.5194/acp-26-3237-2026, https://doi.org/10.5194/acp-26-3237-2026, 2026
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This study examined how a range of forever chemicals enter the air when aerosolised from contaminated solutions, with & without bacteria-seed (bioaerosol). The way these chemicals were aerosolised was key to their behaviour in air and their inhalation relevance, as they mainly formed tiny particles that reach deep in the lungs. The bacterium had little effect, suggesting the chemicals are unlikely to be removed by bioaerosol, enabling long range transport and contributing to inhalation exposure.
Diana L. Pereira, Aline Gratien, Chiara Giorio, Emmanuelle Mebold, Thomas Bertin, Cécile Gaimoz, Jean-François Doussin, and Paola Formenti
Atmos. Meas. Tech., 19, 1–19, https://doi.org/10.5194/amt-19-1-2026, https://doi.org/10.5194/amt-19-1-2026, 2026
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This study provides two methods for the quantification of molecular markers to improve the description of secondary organic aerosols using chromatographic techniques coupled with mass spectrometry. Compounds from various chemical functionalities (alcohols, acids, aldehydes), from biogenic and anthropogenic origin, were identified. Improved method performance was observed for nitro compounds, which have been associated with anthropogenic activities.
Paola Formenti, Chiara Giorio, Karine Desboeufs, Alexander Zherebker, Marco Gaetani, Clarissa Baldo, Gautier Landrot, Simona Montebello, Servanne Chevaillier, Sylvain Triquet, Guillaume Siour, Claudia Di Biagio, Francesco Battaglia, Jean-François Doussin, Anais Feron, Andreas Namwoonde, and Stuart John Piketh
Atmos. Chem. Phys., 25, 16127–16145, https://doi.org/10.5194/acp-25-16127-2025, https://doi.org/10.5194/acp-25-16127-2025, 2025
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The elemental composition and solubility of several metals, including iron, at a coastal site in Namibia in August–September 2017, indicate that natural and anthropogenic dust had different solubility depending on mineralogy but mostly on the processing by fluoride ions from marine emissions, pointing to the complexity of atmospheric--oceanic interactions in this region of the world influenced by the Benguela current and significant aerosol load.
Chiara Giorio, Anne Monod, Valerio Di Marco, Pierre Herckes, Denise Napolitano, Amy Sullivan, Gautier Landrot, Daniel Warnes, Marika Nasti, Sara D'Aronco, Agathe Gérardin, Nicolas Brun, Karine Desboeufs, Sylvain Triquet, Servanne Chevaillier, Claudia Di Biagio, Francesco Battaglia, Frédéric Burnet, Stuart J. Piketh, Andreas Namwoonde, Jean-François Doussin, and Paola Formenti
Atmos. Chem. Phys., 25, 16107–16125, https://doi.org/10.5194/acp-25-16107-2025, https://doi.org/10.5194/acp-25-16107-2025, 2025
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We present a comparison between concentrations of dissolved trace metals in pairs of total suspended particulate (TSP) and fog samples collected in Henties Bay, Namibia, during the AErosols, Radiation and CLOuds in southern Africa (AEROCLO-sA) field campaign. We found enhanced concentrations of dissolved metals in fog samples, which we attributed to metal–ligand complex formation in the early stages of particle activation into droplets that can then remain in a kinetically stable form in fog or lead to the formation of colloidal nanoparticles.
Francesco Battaglia, Paola Formenti, Chiara Giorio, Mathieu Cazaunau, Edouard Pangui, Antonin Bergé, Aline Gratien, Diana L. Pereira, Thomas Bertin, Joel F. de Brito, Manolis N. Romanias, Vincent Michoud, Clarissa Baldo, Servanne Chevaillier, Gael Noyalet, Philippe Decorse, Bénédicte Picquet-Varrault, and Jean-François Doussin
Atmos. Chem. Phys., 25, 12409–12431, https://doi.org/10.5194/acp-25-12409-2025, https://doi.org/10.5194/acp-25-12409-2025, 2025
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This paper presents an experimental investigation of the interactions between glyoxal, an important volatile organic compound, and mineral dust particles of size and composition typical of natural conditions. We show that their interactions modify, in a definitive way, the concentrations of the gas phase and the surface properties of the dust, which could have important implications for the atmospheric composition and the Earth's climate.
Sergio Harb, Manuela Cirtog, Stéphanie Alage, Christopher Cantrell, Mathieu Cazaunau, Vincent Michoud, Edouard Pangui, Antonin Bergé, Chiara Giorio, Francesco Battaglia, and Bénédicte Picquet-Varrault
Atmos. Chem. Phys., 25, 11003–11024, https://doi.org/10.5194/acp-25-11003-2025, https://doi.org/10.5194/acp-25-11003-2025, 2025
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We investigated the reactions of α- and β-phellandrenes (from vegetation emissions) with NO3 radicals, a major nighttime oxidant from human activities. Using lab-based simulations, we examined these reactions and measured particle formation and by-products. Our findings reveal that α- and β-phellandrenes are efficient particle sources and enhance our understanding of biogenic–anthropogenic interactions and their contributions to atmospheric changes affecting climate and health.
Anni Hartikainen, Mika Ihalainen, Deeksha Shukla, Marius Rohkamp, Arya Mukherjee, Quanfu He, Sandra Piel, Aki Virkkula, Delun Li, Tuukka Kokkola, Seongho Jeong, Hanna Koponen, Uwe Etzien, Anusmita Das, Krista Luoma, Lukas Schwalb, Thomas Gröger, Alexandre Barth, Martin Sklorz, Thorsten Streibel, Hendryk Czech, Benedikt Gündling, Markus Kalberer, Bert Buchholz, Andreas Hupfer, Thomas Adam, Thorsten Hohaus, Johan Øvrevik, Ralf Zimmermann, and Olli Sippula
Atmos. Chem. Phys., 25, 9275–9294, https://doi.org/10.5194/acp-25-9275-2025, https://doi.org/10.5194/acp-25-9275-2025, 2025
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Photochemical reactions altered the properties of kerosene-operated jet engine burner exhaust emissions, which were studied in a laboratory using an oxidation flow reactor. Particle mass increased 300-fold as particles and gases became more oxidized. Light absorption increased, but the total direct radiative forcing efficiency was estimated to have shifted from positive to negative. The results highlight the importance of considering secondary aerosol formation when assessing the impacts of aviation.
Benjamin Gfeller, Mariia Becker, Adrian D. Aebi, Nicolas Bukowiecki, Marcus Wyss, and Markus Kalberer
Aerosol Research, 3, 351–369, https://doi.org/10.5194/ar-3-351-2025, https://doi.org/10.5194/ar-3-351-2025, 2025
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Metal nanoparticles (Au, Pt, Cu and Ni) were generated in the aerosol phase using spark ablation and analysed for size, shape and number concentration. Particles as small as 1 nm and up to > 60 nm show shapes from fully spherical to fractal-like as characterized by electron microscopy. Furthermore, the metal particles were mixed with TiO2 nanoparticles, and the number and size of metal particles coating the TiO2 were determined.
Kevin Kilchhofer, Alexandre Barth, Battist Utinger, Markus Kalberer, and Markus Ammann
Aerosol Research, 3, 337–349, https://doi.org/10.5194/ar-3-337-2025, https://doi.org/10.5194/ar-3-337-2025, 2025
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We report a substantial buildup of reactive molecules (due to sunlight) in organic particulate matter, causing adverse health effects. Metals, which occur naturally or are emitted by traffic, can complex with organic materials and initiate photochemical processes. At low humidity, organic particles may become highly viscous, which allows for the accumulation of reactive species. We found that copper acts as an reducing species to remove some of these harmful species from particles.
Jishnu Pandamkulangara Kizhakkethil, Zongbo Shi, Anna Bogush, and Ivan Kourtchev
Atmos. Chem. Phys., 25, 5947–5958, https://doi.org/10.5194/acp-25-5947-2025, https://doi.org/10.5194/acp-25-5947-2025, 2025
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Pollution with per- and polyfluoroalkyl substances (PFAS) has received attention due to their environmental persistence and bioaccumulation, but their sources remain poorly understood. PM10 (particulate matter) collected above a scaled-down activated sludge tank treating domestic sewage in the UK was analysed for a range of short-, medium-, and long-chain PFAS. Eight PFAS were detected in the PM10. Our results suggest that wastewater treatment processes, i.e. activated sludge aeration, could aerosolise PFAS into airborne PM.
Diana L. Pereira, Chiara Giorio, Aline Gratien, Alexander Zherebker, Gael Noyalet, Servanne Chevaillier, Stéphanie Alage, Elie Almarj, Antonin Bergé, Thomas Bertin, Mathieu Cazaunau, Patrice Coll, Ludovico Di Antonio, Sergio Harb, Johannes Heuser, Cécile Gaimoz, Oscar Guillemant, Brigitte Language, Olivier Lauret, Camilo Macias, Franck Maisonneuve, Bénédicte Picquet-Varrault, Raquel Torres, Sylvain Triquet, Pascal Zapf, Lelia Hawkins, Drew Pronovost, Sydney Riley, Pierre-Marie Flaud, Emilie Perraudin, Pauline Pouyes, Eric Villenave, Alexandre Albinet, Olivier Favez, Robin Aujay-Plouzeau, Vincent Michoud, Christopher Cantrell, Manuela Cirtog, Claudia Di Biagio, Jean-François Doussin, and Paola Formenti
Atmos. Chem. Phys., 25, 4885–4905, https://doi.org/10.5194/acp-25-4885-2025, https://doi.org/10.5194/acp-25-4885-2025, 2025
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In order to study aerosols in environments influenced by anthropogenic and biogenic emissions, we performed analyses of samples collected during the ACROSS (Atmospheric Chemistry Of the Suburban Forest) campaign in summer 2022 in the greater Paris area. After analysis of the chemical composition by means of total carbon determination and high-resolution mass spectrometry, this work highlights the influence of anthropogenic inputs on the chemical composition of both urban and forested areas.
Battist Utinger, Alexandre Barth, Andreas Paul, Arya Mukherjee, Steven John Campbell, Christa-Maria Müller, Mika Ihalainen, Pasi Yli-Pirilä, Miika Kortelainen, Zheng Fang, Patrick Martens, Markus Somero, Juho Louhisalmi, Thorsten Hohaus, Hendryk Czech, Olli Sippula, Yinon Rudich, Ralf Zimmermann, and Markus Kalberer
Aerosol Research, 3, 205–218, https://doi.org/10.5194/ar-3-205-2025, https://doi.org/10.5194/ar-3-205-2025, 2025
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The oxidative potential (OP) of air pollution particles might be a metric explaining particle toxicity. This study quantifies the OP of fresh and aged car and wood burning emission particles and explores how the OP changes over time, using novel high-temporal-resolution instruments. We show that emissions from wood burning are more toxic than car exhaust per unit particle mass, especially as they age in the atmosphere. We also calculate emission factors for the OP, which could help to improve air pollution policies.
Pamela A. Dominutti, Jean-Luc Jaffrezo, Anouk Marsal, Takoua Mhadhbi, Rhabira Elazzouzi, Camille Rak, Fabrizia Cavalli, Jean-Philippe Putaud, Aikaterini Bougiatioti, Nikolaos Mihalopoulos, Despina Paraskevopoulou, Ian Mudway, Athanasios Nenes, Kaspar R. Daellenbach, Catherine Banach, Steven J. Campbell, Hana Cigánková, Daniele Contini, Greg Evans, Maria Georgopoulou, Manuella Ghanem, Drew A. Glencross, Maria Rachele Guascito, Hartmut Herrmann, Saima Iram, Maja Jovanović, Milena Jovašević-Stojanović, Markus Kalberer, Ingeborg M. Kooter, Suzanne E. Paulson, Anil Patel, Esperanza Perdrix, Maria Chiara Pietrogrande, Pavel Mikuška, Jean-Jacques Sauvain, Katerina Seitanidi, Pourya Shahpoury, Eduardo J. d. S. Souza, Sarah Steimer, Svetlana Stevanovic, Guillaume Suarez, P. S. Ganesh Subramanian, Battist Utinger, Marloes F. van Os, Vishal Verma, Xing Wang, Rodney J. Weber, Yuhan Yang, Xavier Querol, Gerard Hoek, Roy M. Harrison, and Gaëlle Uzu
Atmos. Meas. Tech., 18, 177–195, https://doi.org/10.5194/amt-18-177-2025, https://doi.org/10.5194/amt-18-177-2025, 2025
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In this work, 20 labs worldwide collaborated to evaluate the measurement of air pollution's oxidative potential (OP), a key indicator of its harmful effects. The study aimed to identify disparities in the widely used OP dithiothreitol assay and assess the consistency of OP among labs using the same protocol. The results showed that half of the labs achieved acceptable results. However, variability was also found, highlighting the need for standardisation in OP procedures.
Lorrie Simone Denise Jacob, Chiara Giorio, and Alexander Thomas Archibald
Atmos. Chem. Phys., 24, 3329–3347, https://doi.org/10.5194/acp-24-3329-2024, https://doi.org/10.5194/acp-24-3329-2024, 2024
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Recent studies on DMS have provided new challenges to our mechanistic understanding. Here we synthesise a number of recent studies to further develop and extend a state-of-the-art mechanism. Our new mechanism is shown to outperform all existing mechanisms when compared over a wide set of conditions. The development of an improved DMS mechanism will help lead the way to better the understanding the climate impacts of DMS emissions in past, present, and future atmospheric conditions.
Julian Resch, Kate Wolfer, Alexandre Barth, and Markus Kalberer
Atmos. Chem. Phys., 23, 9161–9171, https://doi.org/10.5194/acp-23-9161-2023, https://doi.org/10.5194/acp-23-9161-2023, 2023
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Detailed chemical analysis of organic aerosols is necessary to better understand their effects on climate and health. Aerosol samples are often stored for days to months before analysis. We examined the effects of storage conditions (i.e., time, temperature, and aerosol storage on filters or as solvent extracts) on composition and found significant changes in the concentration of individual compounds, indicating that sample storage can strongly affect the detailed chemical particle composition.
Battist Utinger, Steven John Campbell, Nicolas Bukowiecki, Alexandre Barth, Benjamin Gfeller, Ray Freshwater, Hans-Rudolf Rüegg, and Markus Kalberer
Atmos. Meas. Tech., 16, 2641–2654, https://doi.org/10.5194/amt-16-2641-2023, https://doi.org/10.5194/amt-16-2641-2023, 2023
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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.
Karine Desboeufs, Franck Fu, Matthieu Bressac, Antonio Tovar-Sánchez, Sylvain Triquet, Jean-François Doussin, Chiara Giorio, Patrick Chazette, Julie Disnaquet, Anaïs Feron, Paola Formenti, Franck Maisonneuve, Araceli Rodríguez-Romero, Pascal Zapf, François Dulac, and Cécile Guieu
Atmos. Chem. Phys., 22, 2309–2332, https://doi.org/10.5194/acp-22-2309-2022, https://doi.org/10.5194/acp-22-2309-2022, 2022
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This article reports the first concurrent sampling of wet deposition samples and surface seawater and was performed during the PEACETIME cruise in the remote Mediterranean (May–June 2017). Through the chemical composition of trace metals (TMs) in these samples, it emphasizes the decrease of atmospheric metal pollution in this area during the last few decades and the critical role of wet deposition as source of TMs for Mediterranean surface seawater, especially for intense dust deposition events.
Zhi-Hui Zhang, Elena Hartner, Battist Utinger, Benjamin Gfeller, Andreas Paul, Martin Sklorz, Hendryk Czech, Bin Xia Yang, Xin Yi Su, Gert Jakobi, Jürgen Orasche, Jürgen Schnelle-Kreis, Seongho Jeong, Thomas Gröger, Michal Pardo, Thorsten Hohaus, Thomas Adam, Astrid Kiendler-Scharr, Yinon Rudich, Ralf Zimmermann, and Markus Kalberer
Atmos. Chem. Phys., 22, 1793–1809, https://doi.org/10.5194/acp-22-1793-2022, https://doi.org/10.5194/acp-22-1793-2022, 2022
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Using a novel setup, we comprehensively characterized the formation of particle-bound reactive oxygen species (ROS) in anthropogenic and biogenic secondary organic aerosols (SOAs). We found that more than 90 % of all ROS components in both SOA types have a short lifetime. Our results also show that photochemical aging promotes particle-bound ROS production and enhances the oxidative potential of the aerosols. We found consistent results between chemical-based and biological-based ROS analyses.
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Short summary
Limonene is emitted in substantial quantities by plants, and also has indoor sources from
air freshenersand cleaning products. We studied particle formation from the oxidation of limonene and found substantial quantities of oxidising components which are thought to be associated with the negative health effects of particulates. State-of-the-art measurements of the products of limonene–ozone chemistry were also presented.
Limonene is emitted in substantial quantities by plants, and also has indoor sources from
air...
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