Freezing Resistance in Some Antarctic Fishes
- 7 March 1969
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 163 (3871), 1073-1075
- https://doi.org/10.1126/science.163.3871.1073
Abstract
Measurements of serum freezing points in three Antarctic marine fishes indicated that they do not freeze in the -1.87°C seawater because their blood is isosmotic to seawater. Concentrations of sodium chloride, urea, and free amino acids in the serum accounted for only half of the freezing-point depression of the serum. A protein containing carbohydrate was isolated which accounted for 30 percent of the freezing-point depression of the serum.Keywords
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