Nanoparticles Toxicity to Marine Organisms—a Nanosized or a Giant Environmental Issue?
A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Quality and Contamination".
Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 9330
Special Issue Editors
Interests: aquatic toxicology; nanoparticles; mixtures of contaminants; marine fish; bioenergetics; oxidative stress; reprotoxicity; emergent contaminants
Special Issue Information
Dear Colleagues,
Thousands of tons of nanoparticles (NPs) are discharged into the water bodies each year, with marine ecosystems as their final destination. The presence of NPs in these systems represents a pressing need to assess their risks to marine organisms. Still, studies on marine biota are limited, as well as those performed under environmentally relevant conditions (realistic concentrations and uptake via). This scarcity is mainly related with limitations driven by the physicochemical properties of NPs (e.g., aggregation in seawater) that will determine their behaviour and bioavailability. The available information on the toxic potential of NPs to marine organisms, points to a wide range, and sometimes contrasting, sub-lethal effects (e.g., oxidative stress, metabolic impairment, genotoxicty and reprotoxicity), depending on the tested concentrations and exposure pathway. This evidence highlights the need to select a set of highly sensitive endpoints, able to identify sub-lethal effects in a large number of species. These endpoints must represent rapid responses both at sub-organismal and organismal level, including subtle effects, which can translate important molecular and behaviour processes and foresee long-term adverse effects. We are also interested in publishing innovative, cutting edge and extensive research on alternative methodologies that are in complience with the 3Rs principle (Replacement, Reduction and Refinement) for more ethical use of animals in testing. Studies within the environmental range of NPs occurence are preferred. Whithin a nanoecotoxicology framework, this special issue will contribute to estimate the harmful potential of NPs to marine organisms and to recommend strategies to mitigate NP-mediated toxicity towards a scientific-based definition of management policies for marine water resources.
Dr. Cláudia Leopoldina Mieiro
Prof. Dr. Mário Pacheco
Guest Editors
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Keywords
- nanoparticles
- realistic concentrations
- uptake via
- oxidative stress
- metabolic impairment
- neurotoxicty
- genotoxicty
- citotoxicity
- reprotoxicity
- nanoecotoxicology
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