FREEZING RESISTANCE IN SOME ANTARCTIC FISHES

被引：516
作者：
DEVRIES, AL
WOHLSCHLAG, DE
机构：
来源：
SCIENCE | 1969年 / 163卷 / 3871期
关键词：
D O I：
10.1126/science.163.3871.1073
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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.
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页码：1073 / +
页数：1
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