Behavioural effects on marine amphipods exposed to silver ions and silver nanoparticles
| Autor: | Shanelle A. Kohler, Gisela de Aragão Umbuzeiro, Alex T. Ford, Monizze Vannuci-Silva |
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| Rok vydání: | 2019 |
| Předmět: |
Aquatic Organisms
Silver 010504 meteorology & atmospheric sciences Health Toxicology and Mutagenesis Metal Nanoparticles 010501 environmental sciences Ecotoxicology Toxicology 01 natural sciences Silver nanoparticle Aquatic organisms Environmental Science(all) Crustacea Animals pollution Amphipoda Biology Swimming 0105 earth and related environmental sciences Ions Behavior Animal Chemistry General Medicine Pollution Environmental chemistry Nanoparticles Echinogammarus marinus Water Pollutants Chemical Environmental Sciences |
| Zdroj: | Vanucci-Silva, M, Kohler, S, Umbuzeiro, G & Ford, A 2019, ' Behavioural effects on marine amphipods exposed to silver ions and silver nanoparticles ', Environmental Pollution, vol. 252, no. Part B, pp. 1051-1058 . https://doi.org/10.1016/j.envpol.2019.06.005 |
| ISSN: | 0269-7491 |
| DOI: | 10.1016/j.envpol.2019.06.005 |
| Popis: | Behavioural responses to contaminants are an important endpoint in ecotoxicology because they link effects at biochemical or cellular levels to impacts on individual fitness. Due to the increasing use of silver in nanomaterials, studies of its effects on the behaviour of aquatic organisms are important to assess the risks of silver nanoparticles (AgNP) released into the environment. The aim of this work was to evaluate the behavioural effects of silver on the marine amphipod Echinogammarus marinus after exposure to AgNO3 via water and AgCl or AgNP via food. Swimming activity of the amphipods was tracked during 6 min alternating dark and light conditions. Animals swam slower and responded less to light at higher concentrations of silver in the water. No differences were found in the behaviour of animals exposed via feeding up to 28 days, hence, longer exposure times may be required for the observation of effects. This is the first work to appraise behaviour effects of silver ions and AgNP on marine amphipods. Although the protocol has been successfully developed for this purpose, specimens appeared to habituate to test conditions during the experiments. Therefore, the need for further understanding of baseline behaviours in these model organisms is discussed. |
| Databáze: | OpenAIRE |
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