Articles | Volume 18, issue 20
https://doi.org/10.5194/bg-18-5751-2021
https://doi.org/10.5194/bg-18-5751-2021
Research article
 | 
25 Oct 2021
Research article |  | 25 Oct 2021

Isolation of subpollen particles (SPPs) of birch: SPPs are potential carriers of ice nucleating macromolecules

Julia Burkart, Jürgen Gratzl, Teresa M. Seifried, Paul Bieber, and Hinrich Grothe

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Latest update: 19 Jun 2024
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Short summary
Extracts of birch pollen grains are known to be ice nucleation active and thus impact cloud formation and climate. In this study we develop an extraction method to separate subpollen particles from ice nucleating macromolecules. Our results thereby illustrate that ice nucleating macromolecules can be washed off the subpollen particles and that the ice activity is linked to the presence of proteins.
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