ArticleProceedings of the National Academy of Sciences of the United States of America2016
Lability of secondary organic particulate matter.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Hygroscopicity and Cloud Condensation Nuclei Activity of Fresh and Aged Biomass Burning Particles.ACS ES&T air · 2026Article
- Dynamic Evolution of Mass and Physical Properties of Atmospheric Organic Aerosol Under Solar Irradiance.Environmental science & technology · 2026Article
- Surprising Crystallinity of Biomass Burning Secondary Organic Aerosol from Catechol and Nitrate Radical Reactions: Evidence and Possible Implications.Environmental science & technology · 2025Article
- Photolytic Mass Loss of Secondary Organic Aerosol Derived from Photooxidation of Biomass Burning Furan Precursors.ACS ES&T air · 2025Article
- Aerosol Fluorescent Labeling via Probe Molecule Volatilization.Analytical chemistry · 2024Article
- Complex Hygroscopic Behavior of Ambient Aerosol Particles Revealed by a Piezoelectric Technique.ACS earth & space chemistry · 2024Article
- Toward a molecular understanding of the surface composition of atmospherically relevant organic particles.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Water Adsorption vs Phase Transition of Aerosols Monitored by a Quartz Crystal Microbalance.ACS omega · 2020Article
- Resolving the mechanisms of hygroscopic growth and cloud condensation nuclei activity for organic particulate matter.Nature communications · 2018Article
- The viscosity of atmospherically relevant organic particles.Nature communications · 2018Review
- Highly Viscous States Affect the Browning of Atmospheric Organic Particulate Matter.ACS central science · 2018Article
- Global distribution of particle phase state in atmospheric secondary organic aerosols.Nature communications · 2017Article
- Mixing of secondary organic aerosols versus relative humidity.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The energy flows in Earth's natural and modified climate systems are strongly influenced by the concentrations of atmospheric particulate matter (PM). For predictions of concentration, equilibrium partitioning of semivolatile organic compounds (SVOCs) between organic PM and the surrounding vapor has widely been assumed, yet recent observations show that organic PM can be semisolid or solid for some atmospheric conditions, possibly suggesting that SVOC uptake and release can be slow enough that equilibrium does not prevail on timescales relevant to atmospheric processes. Herein, in a series of laboratory experiments, the mass labilities of films of secondary organic material representative of similar atmospheric organic PM were directly determined by quartz crystal microbalance measurements of evaporation rates and vapor mass concentrations. There were strong differences between films representative of anthropogenic compared with biogenic sources. For films representing anthropogenic PM, evaporation rates and vapor mass concentrations increased above a threshold relative humidity (RH) between 20% and 30%, indicating rapid partitioning above a transition RH but not below. Below the threshold, the characteristic time for equilibration is estimated as up to 1 wk for a typically sized particle. In contrast, for films representing biogenic PM, no RH threshold was observed, suggesting equilibrium partitioning is rapidly obtained for all RHs. The effective diffusion rate
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