Synergistic Interplay of Weathered Microplastics: Coupling Sorption-Leaching Behavior and Environmental Risk Implications

Factors Affecting the Sorption of Pollutants by Microplastics: Mechanisms and Environmental Implications

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Researchers reviewed the physicochemical factors — including particle size, surface area, weathering state, and polymer type — that govern how microplastics sorb environmental pollutants, and examined the ecological implications of this vector effect for contaminant transport and bioavailability.

Sorption of Potentially Toxic Elements to Microplastics

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Microplastics readily sorb potentially toxic elements including heavy metals and metalloids from surrounding water, acting as concentrated carriers of these hazardous substances through aquatic food webs. This sorption capacity amplifies the toxicological risk of microplastic ingestion for organisms, including humans who consume contaminated seafood.

Sorption of Potentially Toxic Elements to Microplastics

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Researchers reviewed how microplastics can adsorb toxic heavy metals from their surrounding environment, effectively acting as vehicles that concentrate and transport harmful elements. This sorption behavior increases the potential risk microplastics pose to organisms that ingest them, including humans.

Combined abiotic and biotic weathering of microplastic particles: Alterations of their physicochemical properties and interactions with cells

Plastic Pollution Amplified: Adsorption of Contaminants onto Microplastic Surfaces

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This review examined how microplastics act as vectors for co-pollutants — including heavy metals, persistent organic pollutants, and pharmaceuticals — adsorbing these substances onto their surfaces and potentially delivering concentrated doses to organisms that ingest them. The "Trojan horse" effect of microplastics as contaminant carriers significantly amplifies their toxicological risk beyond the particles themselves, with direct implications for human health via contaminated seafood and drinking water.