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Browsing University of Hertfordshire by Author "Gysel, M."
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Analysis of the hygroscopic and volatile properties of ammonium sulphate seeded and unseeded SOA particles
Meyer, N. K.; Duplissy, J.; Gysel, M.; Metzger, A.; Dommen, J.; Weingartner, E.; Alfarra, M. R.; Prevot, A. S. H.; Fletcher, C.; Good, N.; McFiggans, G.; Jonsson, A. M.; Hallquist, M.; Baltensperger, U.; Ristovski, Z. D. (2009)The volatile and hygroscopic properties of ammonium sulphate seeded and unseeded secondary organic aerosol (SOA) derived from the photo-oxidation of atmospherically relevant concentrations of alpha-pinene were studied. The ... -
Cloud forming potential of secondary organic aerosol under near atmospheric conditions
Duplissy, J.; Gysel, M.; Alfarra, M. R.; Dommen, J.; Metzger, A.; Prevot, A. S. H.; Weingartner, E.; Laaksonen, A.; Raatikainen, T.; Good, N.; Turner, S. F.; McFiggans, G.; Baltensperger, U. (2008-02-15)Cloud droplets form by nucleation on atmospheric aerosol particles. Populations of such particles invariably contain organic material, a major source of which is thought to be condensation of photo-oxidation products of ... -
Intercomparison study of six HTDMAs : results and recommendations
Duplissy, J.; Gysel, M.; Sjogren, S.; Meyer, N.; Good, N.; Kammermann, L.; Michaud, V.; Weigel, R.; dos Santos, S. Martins; Gruening, C.; Villani, P.; Laj, P.; Sellegri, K.; Metzger, A.; McFiggans, G. B.; Wehrle, G.; Richter, R.; Dommen, J.; Ristovski, Z.; Baltensperger, U.; Weingartner, E. (2009)We report on an intercomparison of six different hygroscopicity tandem differential mobility analysers (HTDMAs). These HTDMAs are used worldwide in laboratory experiments and field campaigns to measure the water uptake of ... -
Widening the gap between measurement and modelling of secondary organic aerosol properties?
Good, N.; Topping, D. O.; Duplissy, J.; Gysel, M.; Meyer, N. K.; Metzger, A.; Turner, S. F.; Baltensperger, U.; Ristovski, Z.; Weingartner, E.; Coe, H.; McFiggans, G. (2010)The link between measured sub-saturated hygroscopicity and cloud activation potential of secondary organic aerosol particles produced by the chamber photo-oxidation of alpha-pinene in the presence or absence of ammonium ...