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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-021-02482-7
|2 doi
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|a pubmed25n1102.xml
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|a eng
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| 100 |
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|a Resgalla, C
|c Jr
|e verfasserin
|4 aut
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|a Acute toxicity assay using mysid as an alternative test organism in the assessment of the aqueous fraction of sediment
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 23.11.2021
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|a Date Revised 23.11.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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|a The evaluation of sediment quality through biological testing of the aqueous fraction can be applied in dredging situations and is associated with a small number of confounding factors. The use of test organisms that are relatively resistant to contaminants is recommended when working with complex mixtures such as sediments. In this study, the sensitivity of the mysid Mysidopsis juniae to ammonia (NH3) and metals was investigated in acute toxicity laboratory tests and the results were compared to those obtained in the traditional test with sea urchin embryos and larvae. The ability of the toxicity identification and evaluation (TIE) technique, with the use of EDTA and sodium thiosulfate, to indicate the factors responsible for adverse effects was determined. The results indicate that mysids are almost 5 times more resistant than the sea urchin to ammonia (NH3), more sensitive to Cd2+ and Ni2+ and more resistant to Zn2+ and Pb2+. With the TIE technique and with the use of EDTA as a complexing agent, a greater resolution was observed in the diagnosis of the presence of the metals Cd2+ and Ni2+, which could be applied to the aqueous fraction of the sediment
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|a Journal Article
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|a Bioavailability
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|a Complexation
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|a Marine ecotoxicology
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|a Mysidopsis juniae
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|a Seawater
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|a Toxicity
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|a Metals
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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|a Ammonia
|2 NLM
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| 650 |
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|a 7664-41-7
|2 NLM
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|a Silveira, R M
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|a Vieira, D C
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 30(2021), 10 vom: 17. Dez., Seite 2036-2042
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|x 1573-3017
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|g volume:30
|g year:2021
|g number:10
|g day:17
|g month:12
|g pages:2036-2042
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|u http://dx.doi.org/10.1007/s10646-021-02482-7
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