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51.	Pagels, Joakim, et al. (author) Indoor Sources of Fine and Ultrafine Particles - Detailed Particle Characterisation in an Indoor Chamber Setting 2008 In: Proceedings of Indoor Air Conference. Conference paper (peer-reviewed)
52.	Pagels, Joakim, et al. (author) Ozone Initiated SOA Formation of Combustion Aerrosols 2009 In: European Aerosol Conference 2009. ; , s. 18-108 Conference paper (peer-reviewed)
53.	Pagels, Joakim, et al. (author) Time resolved PAH-emissions from residential wood combustion 2011 In: Proceedings of European Aerosol Conference (EAC) 2011. Conference paper (peer-reviewed)
54.	Pagels, Joakim, et al. (author) Transformation of Black Carbon Aerosol in the Atmosphere – Observations from Smog Chamber Studies and Ambient Air 2013 In: Proceedings of the European Aerosol Conference 2013. Conference paper (peer-reviewed)
55.	Pagels, Joakim, et al. (author) Transformation of Diesel Soot Investigated in a Smog Chamber 2012 In: ; , s. 4-10 Conference paper (peer-reviewed)
56.	Pei, Xianqyu, et al. (author) Enhancement of light absorption of soot particles coated with sulfuric acid and limonene SOA 2014 In: ; , s. 6-60 Conference paper (peer-reviewed)
57.	Rissler, Jenny, et al. (author) An evaluation and comparison of cloud condensation nucleus activity models: Predicting particle critical saturation from growth at subsaturation 2010 In: Journal of Geophysical Research. - 2156-2202. ; 115 Journal article (peer-reviewed)abstract The ability of particles to activate and form cloud droplets influences the functioning of the Earth's hydrological cycle. This work links the particle water uptake at subsaturation to the critical supersaturation ratio needed for particles to become cloud condensation nuclei (CCN). Five models using the particle hygroscopic growth at subsaturation for predicting the critical supersaturation needed for droplet activation were applied to a laboratory data set of inorganic and organic compounds and mixtures of them. The data set consisted of hygroscopicity tandem differential mobility analyzer measurements and CCN counter measurements. No chemical composition information was used when applying the models. All models tested were based on modifications of Kohler theory and gave similar results. The agreement between predicted and measured critical supersaturations was good, considering the relatively simple models used. A trend of overestimating the critical supersaturations was observed, typically by similar to 15%. The best performing model gave on average only a 4% offset from experimental values; the model with the largest deviation was offset by 20%. A comparison was made between the number of soluble entities (ions or nondissociating molecules) estimated from the particle hygroscopic growth at 90% relative humidity (RH) and the number estimated from the particle critical supersaturation; a similar to 35% increase was observed in the effective number of entities in solution when going from 90% RH to activation. For many types of aerosols, differences in the model approaches tested do not induce large differences in the predicted critical supersaturation. However, it is most important to follow the recommendations published with the respective models and not use them indiscriminately.
58.	Rissler, Jenny, et al. (author) Effective Density and Mixing State of Aerosol Particles in a Near-Traffic Urban Environment. 2014 In: Environmental Science & Technology. - : American Chemical Society (ACS). - 1520-5851 .- 0013-936X. ; 48:11, s. 6300-6308 Journal article (peer-reviewed)abstract In urban environments, airborne particles are continuously emitted, followed by atmospheric aging. Also, particles emitted elsewhere, transported by winds, contribute to the urban aerosol. We studied the effective density (mass-mobility relationship) and mixing state with respect to the density of particles in central Copenhagen, in wintertime. The results are related to particle origin, morphology, and aging. Using a differential mobility analyzer-aerosol particle mass analyzer (DMA-APM), we determined that particles in the diameter range of 50-400 nm were of two groups: porous soot aggregates and more dense particles. Both groups were present at each size in varying proportions. Two types of temporal variability in the relative number fraction of the two groups were found: soot correlated with intense traffic in a diel pattern and dense particles increased during episodes with long-range transport from polluted continental areas. The effective density of each group was relatively stable over time, especially of the soot aggregates, which had effective densities similar to those observed in laboratory studies of fresh diesel exhaust emissions. When heated to 300 °C, the soot aggregate volatile mass fraction was ∼10%. For the dense particles, the volatile mass fraction varied from ∼80% to nearly 100%.
59.	Rissler, Jenny, et al. (author) Mixing state of airborne particles in central Copenhagen and rural background – Particles effective densities for lung dose estimations 2014 In: Proceedings of the NOSA Symposium 2014. Conference paper (peer-reviewed)
60.	Rissler, Jenny, et al. (author) On-line measurements of soot aggregates in a near-traffic urban environment – with applications to surface area and lung dose estimations 2014 Conference paper (other academic/artistic)

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Type of publication: journal article (144); conference paper (142); reports (17); research review (8); book chapter (5); doctoral thesis (2); show more...; other publication (1); show less...

Type of content: peer-reviewed (259); other academic/artistic (52); pop. science, debate, etc. (8)

Author/Editor: Swietlicki, Erik (317); Pagels, Joakim (131); Löndahl, Jakob (82); Bohgard, Mats (78); Rissler, Jenny (74); Eriksson, Axel (54); show more...; Gudmundsson, Anders (54); Svenningsson, Birgit ... (51); Nordin, Erik (42); Kristensson, Adam (39); Wierzbicka, Aneta (38); Dahl, Andreas (35); Boman, Christoffer (35); Massling, Andreas (34); Roldin, Pontus (31); Strand, Michael (27); Sanati, Mehri (27); Nilsson, Patrik (24); Kulmala, M (23); Gustafsson, Mats (22); Kulmala, Markku (22); Blomberg, Anders (21); Blomqvist, Göran (21); Sandström, Thomas (20); Fors, Erik (19); Frank, Göran (18); Loft, Steffen (18); Wiedensohler, A. (17); Hansson, Hans-Christ ... (17); Martinsson, Johan (17); Wittbom, Cerina (17); Wiedensohler, Alfred (15); Ahlberg, Erik (14); Tunved, Peter (14); Nyström, Robin (14); Stenström, Kristina (13); Sporre, Moa (12); Krejci, Radovan (10); Laj, P. (10); Genberg, Johan (10); Sjögren, Staffan (10); Johansson, Christer (9); Artaxo, P. (9); Baltensperger, U. (9); Ketzel, Matthias (9); Riipinen, Ilona (8); Hallquist, Mattias (8); Martinsson, Bengt G. (8); Weingartner, E. (8); Kivekäs, Niku (8); show less...

University: Lund University (300); Stockholm University (41); VTI - The Swedish National Road and Transport Research Institute (11); Umeå University (9); University of Gothenburg (6); Linnaeus University (5); show more...; Linköping University (4); Chalmers University of Technology (4); Luleå University of Technology (3); RISE (2); Uppsala University (1); Karolinska Institutet (1); Swedish University of Agricultural Sciences (1); IVL Swedish Environmental Research Institute (1); show less...

Language: English (301); Swedish (15); Undefined language (3)

Research subject (UKÄ/SCB): Natural sciences (253); Engineering and Technology (144); Medical and Health Sciences (15); Agricultural Sciences (1)

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