The presence of products containing nanoparticles or nanofibers is rapidly growing. Nanotechnology involves a wide spectrum of industrial fields. There is a lack of information regarding the toxicity of these nanoparticles in aqueous media. The potential acute toxicity of ZnO NPs using two marine crustacean species: the copepod and the amphypod was evaluated. Acute tests were conducted on adults of nauplii and . Both test species were exposed for 96 h to 5 increasing concentrations of ZnO NPs and ZnSOHO, and the endpoint was mortality. Statistical analysis revealed that the mean LC50 values of both ZnO NPs and ZnSOHO (ZnO NPs: = 59.42; < 0.0015; ZnSOHO: = 25.57; < 0.0015) were significantly lower for than for . This result confirms that the toxic effect could be mainly attributed to the Zn ions, confirming that the dissolution processes play a crucial role in the toxicity of the ZnO NPs.
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| http://dx.doi.org/10.3389/fpubh.2020.00192 | DOI Listing |
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