Daphnia magna, Desmodesmus subspicatus and Lemna minor were used to determine the ecotoxicity of beta-blockers. Propranolol was the most toxic substance, with EC50s of 7.7 mg l-1 in the Daphnia test and 0.73 mg l-1 in the algal test. The toxicity of atenolol and metoprolol in the Daphnia test was
To evaluate the ecotoxicological potential of ten prescription drugs against aquatic organisms from different taxonornical classes, a set of biotests were performed using the cladoceran Daphnia magna, the chlorophyte Desmodesmus subspicatus and the macrophyte Lemna minor. Endpoints were
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