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摘要：研究了不同的Cu2+和Zn2+浓度配比对SOD热稳定性的影响,并测定了SOD活性及利用考马斯亮蓝G-250法测定蛋白质含量.结果表明在Cu2+、Zn2+分别为5.4mmol/L和3.6 mmol/L时SOD的活性最高,达到了92.6％;在75℃时大部分杂蛋白变性沉淀,SOD的比活力最高.最后确定在加入5.4 mmol/L Cu2+,3.6 mmol/L Zn2+条件下, 75℃下热变性,可以...
Elimination of Essential (Cu, Zn) and Non-Essential (Cd, Pb) Metals from Tissues of a Freshwater Fish Tilapia zilli
RCu Zn Cd Pb Accumulation Elimination Tilapia zilli
2010/3/31
Tilapia zilli were exposed to the same concentration (1 mg/L) of essential (Cu, Zn) and non-essential (Cd, Pb) metals for 10 days so that these metals would accumulate in the liver, gill, brain and mu...