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  • Peddinghaus, Sabrina, et al. (author)
  • Quantitative assessment of the embryotoxic potential of NSO-heterocyclic compounds using zebrafish (Danio rerio)
  • 2012
  • In: Reproductive Toxicology. - Oxford, United Kingdom : Springer. - 0890-6238 .- 1873-1708. ; 33, s. 224-232
  • Journal article (peer-reviewed)abstract
    • Heterocyclic aromatic compounds (NSO-HET) have frequently been detected in the environment. Several studies have concluded that NSO-HET pose a threat to organisms in waters, sediments and soils. However, few publications are available assessing the ecotoxicology of NSO-HET. The present study aims toassess the embryo toxicity of heterocycles using Danio rerio. A combination of the Fish Embryo Toxicity Test and analytical quantification should aid to determine the hazard potential. Changes of the total concentrations due to sorption or volatility were quantified by GC/MS. Loss of compounds during the testwas observed primarily for volatile or hydrophobic NSO-HET. The LC50 calculated with nominal concentrations underestimates the toxicity by a factor up to 16 (2 h), demonstrating that a chemical analysis for comparing nominal and measured concentrations is essential for such investigations.
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