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In order to explore the impact of mercury on fish, zebrafish were exposed in various levels of HgCl2 and the superoxide dismutase (SOD), acetylcholinesterase (AChE) activities were measured after 1 and 7 days exposure. Muscle RNA was also extracted for semi-quantitative RT-PCR determination of the expression of AChE, CYP1A1, Cu/Zn-SOD. It indicated that 96 h-LC50 of HgCl2 to zebrafish is 244.06 µg L...
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