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Journal of Environmental Toxicology 2008;23(1):17-22.
효소활성을 이용한 Moina macrocopa의 중금속 독성 검정
박용석, 정소정, 오누리, 최은주, 이기태
Heavy Metal Toxicity Test in Moina macrocopa with Enzyme Activity
Yong-seok Park , So-jung Jung , Nu-ri Oh , Eun-joo Choi , Ki-tae Rhie
ABSTRACT
  A rapid, inexpensive enzymatic method is proposed for indirect water quality testing in terms of heavy metal toxicity. The activity of glucose-6-phosphate dehydrogenase was applied for heavy metal toxicity test as an effective criterion in water quality. The toxicity of Pb (lead) and Cd (cadmium) for water flea, Moina macrocopa, were evaluated for 2~8 days with variables of mobilization ability. And the reproduction impairment of Moina macrocopa were investigated as the parameter of chronic toxicity twst for Pb and Cd. As a result, the EC<SUB>50</SUB> for immobilization of Moina macrocopa were Pb and Cd were 1.6749 and 0.4683, respectively. The values of reproducive impairment to Moina macrocopa for Pb and Cd were 9.5938 and 8.3264 in EC<SUB>50</SUB>. A significant alteration of G6PDH (G1ucose-6-phosphate dehydrogenase) activity of Moina macrocopa was observed when Cd and Pb were treated in media. The results obtained indicate that G6PDH activity of Moina macrocopa can be used as an indicative parameter in aquatic toxicity tests for heavy metals.
Keywords: heavy metal; enzyme activity; Moina macrocopa
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Heave Metal Toxicity Test in Moina macrocopa with Glucose-6-Phsphate Dehydrogenase Activity  2003 December;18(4)
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