99249 - Type I antifreeze proteins enhance ice nucleation above certain concentrations.pdf (635.61 kB)
Type I antifreeze proteins enhance ice nucleation above certain concentrations
journal contribution
posted on 2023-05-18, 08:34 authored by Peter Wilson, Osterday, KE, Heneghan, AF, Haymet, ADJIn this study, we examined the effects that antifreeze proteins have on the supercooling and ice-nucleating abilities of aqueous solutions. Very little information on such nucleation currently exists. Using an automated lag time apparatus and a new analysis, we show several dilution series of Type I antifreeze proteins. Our results indicate that, above a concentration of ∼8 mg/ml, ice nucleation is enhanced rather than hindered. We discuss this unexpected result and present a new hypothesis outlining three components of polar fish blood that we believe affect its solution properties in certain situations.
History
Publication title
Journal of Biological ChemistryVolume
285Issue
45Pagination
34741-34745ISSN
0021-9258Department/School
College Office - College of Health and MedicinePublisher
American Society for Biochemistry and Molecular Biology, Inc.Place of publication
United StatesRights statement
Copyright 2010 by The American Society for Biochemistry and Molecular Biology, Inc.Repository Status
- Open