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- W4308148009 endingPage "159867" @default.
- W4308148009 startingPage "159867" @default.
- W4308148009 abstract "Broad application of nanotechnology inevitably results in the release of nanomaterials (NMs) into the aquatic environment, and the negative effects of NMs on aquatic organisms have received much attention. Notably, in the natural aquatic environment, ubiquitous ecological macromolecules (i.e., natural organic matter, extracellular polymeric substances, proteins, and metabolites) can easily adsorb onto the surfaces of NMs and form an eco-corona. As most NMs have such an eco-corona modification, the properties of their eco-corona significantly determine the fate and ecotoxicity of NMs in the natural aquatic ecosystem. Therefore, it is of great importance to understand the role of the eco-corona to evaluate the environmental risks NMs pose. However, studies on the mechanism of eco-corona formation and its resulting nanotoxicity on aquatic organisms, especially at molecular levels, are rare. This review systemically summarizes the mechanisms of eco-corona formation by several typical ecological macromolecules. In addition, the similarities and differences in nanotoxicity between pristine and corona-coated NMs to aquatic organisms at different trophic levels were compared. Finally, recent findings about potential mechanisms on how NM coronas act on aquatic organisms are discussed, including cellular internalization, oxidative stress, and genotoxicity. The literature shows that 1) the formation of an eco-corona on NMs and its biological effect highly depend on both the composition and conformation of macromolecules; 2) both feeding behavior and body size of aquatic organisms at different trophic levels result in different responses to corona-coated NMs; 3) genotoxicity can be used as a promising biological endpoint for evaluating the role of eco-coronas in natural waters. This review provides informative insight for a better understanding of the role of eco-corona plays in the nanotoxicity of NMs to aquatic organisms which will aid the safe use of NMs." @default.
- W4308148009 created "2022-11-08" @default.
- W4308148009 creator A5036332944 @default.
- W4308148009 creator A5042463815 @default.
- W4308148009 creator A5054204889 @default.
- W4308148009 creator A5061430971 @default.
- W4308148009 creator A5086186754 @default.
- W4308148009 creator A5090605154 @default.
- W4308148009 creator A5003970219 @default.
- W4308148009 date "2023-02-01" @default.
- W4308148009 modified "2023-10-17" @default.
- W4308148009 title "Insights into eco-corona formation and its role in the biological effects of nanomaterials from a molecular mechanisms perspective" @default.
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