Results 21 to 30 of about 53,434 (187)
Determination of acute toxicity to vertebrates in aquatic environments is mainly performed following OECD test guideline 203, requiring the use of a large number of fish and with mortality as endpoint.
Alba Jimeno-Romero +5 more
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Regional Sediment Management in US Coastal States: Historical Trends and Future Predictions
Sea level rise and natural disasters, such as hurricanes and tropical storms, are resulting in coastal erosion-related problems across the US. Beach nourishment is one of the most commonly adopted solutions for erosion mitigation.
Jyothirmayi Palaparthi +1 more
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Heat stress is an increasingly concerning topic under global warming. Heat stress can induce organisms to produce excess reactive oxygen species, which will lead to cell damage and destroy the antioxidant defense of aquatic animals.
Chenchen Shen +5 more
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Histopathological Alterations in Common Carp (Cyprinus carpio L.) Gills Caused by Thiamethoxam
This work aimed to study the effect of new neonicotinoid thiamethoxam on the histological structure of common carp (Cyprinus carpio, L.) gills. Three experimental groups of fish were treated with 6.6, 10 and 20 mg/l thiamethoxam in laboratory conditions.
Elenka Georgieva +3 more
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Mercury (Hg) is a dangerous and persistent trace element. Its organic and highly toxic form, methylmercury (MeHg), easily crosses biological membranes and accumulates in biota.
Giuseppe De Marco +6 more
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Microplastics (MPs) are a worldwide contaminant of significant environmental concern due to their persistence, widespread distribution, and toxic potential. These plastic particles are taken up by invertebrates such as bivalves.
Susana Parra +7 more
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Effect of waterborne copper oxide nanoparticles and copper ions on guppy (Poecilia reticulata): Bioaccumulation and histopathology [PDF]
The aim of the present study was to investigate the effect of copper oxide nanoparticles (CuO-NPs) and copper ions (Cu++) on guppy (Poecilia reticulata), in order to assess Cu uptake in the gill, and histopathology of gill and intestinal organs in semi ...
Borhan Mansouri +5 more
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Greater amberjack (Seriola dumerili) is an important commercial fish for its high growth rate and excellent flesh quality. However, its sensitivity to variations of water salinity poses challenges to the cage culture. In this study, the greater amberjack
Yuqi Liu +12 more
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Thyroid hormones (THs) regulate tissue remodeling processes during early- and post-embryonic stages in vertebrates. The Mexican axolotl (Ambystoma mexicanum) is a neotenic species that has lost the ability to undergo metamorphosis; however, it can be ...
I. Lazcano +6 more
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Ao infinito e além! AEB e o caso do satélite geoestacionário à luz do setor estratégico espacial
Com o fim da Guerra Fria, a previsibilidade das relações internacionais vigentes desde a Segunda Guerra Mundial é reduzida drasticamente, desencadeando transformações nos programas espaciais ao redor do mundo.
Gills Vilar Lopes
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