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Long-term lethal toxicity test with the crustacean Artemia franciscana
Manfra, L.; Savorelli, F.; Pisapia, M.; Magaletti, E.; Cicero, A.M. (2012). Long-term lethal toxicity test with the crustacean Artemia franciscana. Jove-Journal of Visualized Experiments 62: e3790. https://dx.doi.org/10.3791/3790
In: Jove-Journal of Visualized Experiments: Cambridge. ISSN 1940-087X
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| Trefwoord |
Artemia franciscana Kellog, 1906 [WoRMS]
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| Auteurs | | Top |
- Manfra, L.
- Savorelli, F.
- Pisapia, M.
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- Magaletti, E.
- Cicero, A.M.
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| Abstract |
Our research activities target the use of biological methods for the evaluation of environmental quality, with particular reference to saltwater/brackish water and sediment. The choice of biological indicators must be based on reliable scientific knowledge and, possibly, on the availability of standardized procedures. In this article, we present a standardized protocol that used the marine crustacean Artemia to evaluate the toxicity of chemicals and/or of marine environmental matrices. Scientists propose that the brine shrimp (Artemia) is a suitable candidate for the development of a standard bioassay for worldwide utilization. A number of papers have been published on the toxic effects of various chemicals and toxicants on brine shrimp (Artemia). The major advantage of this crustacean for toxicity studies is the overall availability of the dry cysts; these can be immediately used in testing and difficult cultivation is not demanded1,2. Cyst-based toxicity assays are cheap, continuously available, simple and reliable and are thus an important answer to routine needs of toxicity screening, for industrial monitoring requirements or for regulatory purposes3. The proposed method involves the mortality as an endpoint. The numbers of survivors were counted and percentage of deaths were calculated. Larvae were considered dead if they did not exhibit any internal or external movement during several seconds of observation4. This procedure was standardized testing a reference substance (Sodium Dodecyl Sulfate); some results are reported in this work. This article accompanies a video that describes the performance of procedural toxicity testing, showing all the steps related to the protocol. |
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