Articles | Volume 8, issue 3
Atmos. Meas. Tech., 8, 1183–1195, 2015
https://doi.org/10.5194/amt-8-1183-2015
Atmos. Meas. Tech., 8, 1183–1195, 2015
https://doi.org/10.5194/amt-8-1183-2015

Research article 10 Mar 2015

Research article | 10 Mar 2015

A new electrodynamic balance (EDB) design for low-temperature studies: application to immersion freezing of pollen extract bioaerosols

H.-J. Tong et al.

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Short summary
This paper describes a newly designed cold electrodynamic balance (EDB) which can be used to study the evaporation kinetics and freezing properties of aerosols at temperatures down to -40˚C. The abilities of the new EDB are exemplified through the study of the immersion freezing properties of water droplets containing extracts of water birch pollen (Betula fontinalis occidentalis). Protein-rich pollen extracts are found to be significantly more ice-active than non-proteinaceous extracts.