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Synergistic Impacts of Microplastics and Heavy Metals in Aquatic Environments and Strategies for Mitigation
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This review examines the combined pollution of aquatic habitats by heavy metals and microplastics, covering their widespread distribution from polar regions to deep-sea sediments and the ecological risks of their interaction. The authors discuss adsorption of heavy metals onto microplastic surfaces, combined toxicity to aquatic organisms, and mitigation strategies for managing this dual contamination in water bodies.
One increasing environmental concern is the extensive pollution of aquatic habitats by heavy metals and microplastics. Oceans, estuaries, lakes, and even deep-sea sediments are contaminated by microplastics, which are now found from the polar regions to the equator. They come from both primary sources, like synthetic fabrics, and secondary sources, like the breakdown of bigger plastic waste. Heavy metals, introduced through industrial, agricultural, and urban activities, interact with these microplastics, particularly after the particles undergo physical and chemical weathering in aquatic environments. The surface area, size, and type of polymer of the microplastics, as well as the water's salinity and pH, all affect these interactions. This article examines the complex dynamics between microplastics and heavy metals, shedding light on their combined impact on aquatic ecosystems and the broader implications for environmental health
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The Unseen Threat of the Synergistic Effects of Microplastics and Heavy Metals in Aquatic Environments: A Critical Review
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This review examines how microplastics and heavy metals interact in water environments, finding that microplastics can attract and concentrate toxic metals on their surfaces through various chemical forces. This combination effect is a concern for human health because contaminated microplastics carrying heavy metals can be consumed through seafood, delivering a double dose of pollutants.
Co-occurrence and Interaction of Microplastics with Heavy Metals
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This review examines the co-occurrence of microplastics and heavy metals in aquatic and terrestrial ecosystems, synthesizing evidence on how MPs adsorb metals, alter their bioavailability, and facilitate their transfer up food chains, compounding toxicological risks beyond either pollutant alone.
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This review synthesized mechanisms of heavy metal adsorption onto microplastics in aquatic environments and evaluated strategies for removing both contaminants simultaneously. The authors found that temperature, salinity, and plastic surface aging govern metal binding, and identified hybrid adsorbent materials as the most promising approach for co-removal of metals and microplastics from water.
Review on the relationship between microplastics and heavy metals in freshwater near mining areas
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This review synthesized knowledge on the interaction between microplastics and heavy metals in freshwater environments, covering adsorption mechanisms, combined toxicity, and the role of microplastics as metal vectors. Co-contamination was found to amplify ecological risks beyond what either stressor causes alone.
Interaction of Microplastics and Heavy Metals on Aquatic Organisms : A Review
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This systematic review examines how microplastics interact with heavy metals in waterways, finding that plastic particles absorb toxic metals and then release them inside organisms that ingest them. This combination increases the toxicity of both pollutants, leading to DNA damage, tissue changes, and reproductive problems in aquatic life, with potential consequences for human health through the food chain.
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