Zobrist, Bernhard, Dr.

ETH Zürich Dr. Bernhard Zobrist Institut f. Atmosphäre und Klima CHN O 15.1 Universitätstrasse 16 8092 Zürich Switzerland Phone: +41 44 632 74 26 E-Mail:

Research:

• Formation of glassy aerosols in the atmosphere
• Water uptake of glassy aerosols
• Heterogeneous ice nucleation in the immersion mode: The role of the water activity
• Arizona test dust and and organics as heterogeneous ice nuclei
• Parameterizations for homogeneous and heterogeneous ice nucleation

Laboratory:

• Ice nucleation experiments using emulsion calorimetry
• Water-in-oil emulsions
• Differential Scanning Calorimetry

Projects:

SCOUT O3 (Homepage)

RECONCILE (Homepage)

Publications:

• B. Zobrist, V. Soonsin, B. P. Luo, U. K. Krieger, C. Marcolli, T. Peter and T. Koop; Ultra-slow water diffusion in aqueous sucrose glasses, Phys. Chem. Chem. Phys., 2011, 13, 3514-3526, DOI: 10.1039/C0CP01273D article online

• A. Bodsworth, B. Zobrist and A.K. Bertram; Inhibition of efflorescence in mixed organic–inorganic particles at temperatures less than 250 K, Phys. Chem. Chem. Phys., 2010, 12, 12259–12266, DOI: 10.1039/c0cp00572j article online

• T. Koop and B. Zobrist; Parameterizations for ice nucleation in biological and atmospheric systems, Phys. Chem. Chem. Phys., 2009, 11, 10839–10850, DOI:10.1039/B914289D article online

• B. Zobrist, C. Marcolli, D. A. Pedernera and T. Koop; Do atmospheric aerosols form glasses?, ACP, 8, 5221-5244, 2008. pdf of the article (Highlighted in Nature: Glasses in the sky)

• B. Zobrist, C. Marcolli, T. Peter and T. Koop; Heterogeneous ice nucleation in aqueous solutions: the role of water activity, J. Phys. Chem. A, 112, 3965-3975, 2008. article online

• C. Marcolli, S. Gedamke, T. Peter and B. Zobrist; Efficiency of immersion mode ice nucleation on surrogates of mineral dust, Atmos. Chem. Phys., 7, 5081-5091, 2007. pdf of the article

• B. Zobrist, T. Koop, B. P. Luo, C. Marcolli, and T. Peter; Heterogeneous Ice Nucleation Rate Coefficient of Water Droplets Coated by a Nonadecanol Monolayer, J. Phys. Chem. C, 111, 2149-2155, 2007. article online

• B. Zobrist, C. Marcolli, T. Koop, B. P. Luo, D. M. Murphy, U. Lohmann, A. A. Zardini, U. K. Krieger, T. Corti, D. J. Cziczo, S. Fueglistaler, P. K. Hudson, D. S. Thomson, and T. Peter; Oxalic acid as a heterogeneous ice nucleus in the upper troposphere and its indirect aerosol effect, Atmos. Chem. Phys., 6, 3115–3129, 2006. pdf of the article

• B. Zobrist; Heterogeneous ice nucleation in upper tropospheric aerosols, PhD Thesis ETH No. 16411, ETH Zürich, 2006. pdf of the thesis

• B. Zobrist, U. G. Weers and T. Koop; Ice nucleation in aqueous solutions of poly[ethylene glycol] with different molar mass, J. Chem. Phys., 118(22), 10254-10261, 2003. article online

• B. Zobrist; Untersuchungen zum Gefrierverhalten von wässrigen Polyethylenglykol-Lösungen mit einem selbstentwickelten Kalorimeter; Diplomarbeit, ETH Zürich, 2001.