PHARMACEUTICALS IN THE ENVIRONMENT. I: EVALUATION OF TOXICITY OF THREE FLUOROQUINOLONES TO DUCKWEED LEMNA MINOR
DOI:
https://doi.org/10.56782/pps.64Keywords:
fluoroquinolones, ecotoxicology, duckweed, drugs in the environmentAbstract
Drugs used in human and veterinary medicine belong to a new class of environmental pollutants. Antibiotics and chemotherapeutics may produce biological effects at very low concentrations. Moreover, the continuous exposure of bacteria to even small concentrations of antibiotics or active metabolites could lead to the emergence of resistant bacteria strains. Antibiotics also may have high biological activity against non-target organisms as plants. In case of duckweed (Lemna minor) the EC20 values for fluoroquinolones as ciprofloxacin, ofloxacin and lomefloxacin are 64, 100 and 370 μg/l, respectively.
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