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The exposure of environment to pharmaceuticals disturbs the aquatic ecosystem. In this study,the effect of commonly used pharmaceutical compounds such as caffeine, ibuprofen, aspirin, and tetracycline has been investigated by the toxicity assay using Daphnia magna. The acute (48 h) and chronic (21 days) toxicity assays have been performed using Daphnia magna. The lethal concentrations of caffeine,...
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