Abstract
AbstractAssessment of the impact of pharmaceutical residues on living organisms is very complex subject. Apart from taking into account the toxicity of individual compounds also their presence in mixtures should be taken into account. In this work, attempts were made to assess the ecotoxicity of biologically active substances (with 50 % effective concentration (EC50) values growing from fluoxetine (EC50= 4.431 nM) >> gemfibrozil ≈ 17α-ethinylestradiol ≈ ketorolac > indomethacin > theophylline ≈ progesterone > naproxen ≈ trypsin > 2-(2,4,5-trichlorophenoxy)propionic acid > chloramphenicol > acetylsalicylic acid > ibuprofen > ketoprofen > 19-norethindrone to bezafibrate as the least toxic drug among studied ones) to the ISO standardized Ostracodtoxkit FTMbioassay. The Ostracodtoxkit FTMwas proven to be very sensitive tool with respect to responding to presence of pharmaceuticals. Results of studies justify the statement that more research is needed in field of assessment of chronic exposure to pharmaceuticals and other newly emerging pollutants especially when they are present in complex mixture.
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