IMPACT OF CADMIUM ON THE MUMMICHOG FUNDULUS-HETEROCLITUS AND THE ROLE OF CALCIUM IN SUPPRESSING HEAVY-METAL TOXICITY

被引：10
|
作者：
GILL, TS
EPPLE, A
机构：
来源：
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-PHARMACOLOGY TOXICOLOGY & ENDOCRINOLOGY | 1992年 / 101卷 / 03期
关键词：
D O I：
10.1016/0742-8413(92)90080-Q
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
1. Freshwater adapted mummichogs (Fundulus heteroclitus) were exposed to cadmium. In soft water (less-than-or-equal-to 5 mg/l CaCO3), the 4-day safe (TL100) and sublethal (TL50) tolerance limits (TLs) for cadmium were 0. 14-mu-g/l and 12.2-mu-g/l, respectively. 2. Survival declined with increasing cadmium concentration and the length of exposure. The toxicity of cadmium was reduced in water with high calcium concentration (200 mg/l CaCO3). Pre-exposure to calcium also prolonged the survival in cadmium-containing water. 3. The mummichog appears to be extremely well suited for monitoring environmental cadmium poisoning.
引用
收藏
页码：519 / 523
页数：5
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