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Evaluating the Impact of the Combined Acute Toxicity of Iron (Fe) and Microplastics on Namalycastis Jaya
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Evaluating the impact of the combined acute toxicity of iron (Fe) and microplastics on Namalycastis jaya
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This study tested the combined effects of iron and polystyrene microplastics on a marine worm species and found that exposure to both pollutants together caused more severe oxidative stress and tissue damage than either alone. The microplastics also increased how much iron accumulated in the worms' bodies, amplifying the toxic effects. The findings highlight how microplastics can worsen the impact of heavy metal pollution in marine organisms.
Interactions Between Microplastic and Heavy Metals in the Aquatic Environment: Implications for Toxicity and Mitigation Strategies
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This review examined how microplastics interact with heavy metals in aquatic environments, showing that temperature, pH, salinity, polymer type, and particle size modulate adsorption, desorption, and combined toxicity, with MPs acting as mobile heavy metal carriers throughout aquatic food webs. Understanding the synergistic toxicity of MPs and heavy metals is essential because their combined effects on aquatic organisms—and on humans consuming contaminated seafood—likely exceed the hazard of either pollutant alone.
Interaction of Microplastics and Heavy Metals: Toxicity, Mechanisms, and Environmental Implications
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Researchers reviewed the combined toxicity of microplastics and heavy metals in the environment, finding that microplastic surfaces readily adsorb metals like lead, cadmium, and copper, creating a dual contamination threat that can amplify toxic effects on organisms beyond what either pollutant causes alone.
The potential of microplastic pellets as a vector to metal contamination in two sympatric marine species
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This study examined the inflammatory response of human macrophage cell lines exposed to polystyrene microplastics of varying sizes, finding that smaller particles elicited stronger pro-inflammatory cytokine responses than larger equivalents. The size-dependent inflammatory mechanism involved particle internalization via phagocytosis with subsequent lysosomal destabilization and NLRP3 inflammasome activation.
Microplastic Toxicity in Aquatic Organisms and Aquatic Ecosystems: a Review
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Researchers reviewed how microplastics move through aquatic food webs, finding evidence that these particles accumulate across trophic levels, but noted that most toxicity studies are conducted in labs rather than real ecosystems, leaving major gaps in understanding the true ecological and human health risks.
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