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The evaluation of the outcome of a ring test has to assess the uncertainty of the results by determining the repeatability and the reproducibility of the data sets. This evaluation is the most important step in defining the validity of an individual test method or even a whole set of tests. The results of the aquatic and the terrestrial basic test set are statistically analyzed by two parameters:...
Our previously described neutral red uptake (NRU) inhibition assay on cultured fathead minnow (FHM) fish cells revealed a good correlation as well with fish as with Daphnia magna toxicity data. The major drawback was the lower sensitivity of the cytotoxicity assay. This was, therefore, adapted in several ways, and was used to evaluate the cytotoxicity of waste-water samples. A good correlation with...
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