Tetrachloroethane Sorption onto Pristine and Aged Polyethylene Type Microplastics

Desorption of Hydrophobic Organic Chemicals from Fragment-Type Microplastics

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Hydrophobic organic chemicals (HOCs) including persistent pollutants desorb from irregularly shaped polyethylene and polypropylene microplastic fragments in seawater at rates predictable from simple geometric approximations of particle size. This matters because microplastics act as mobile carriers of toxic chemicals, and understanding desorption kinetics helps assess how much contamination is released into marine food webs.

Sorption of Pollutants on Microplastics

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Researchers reviewed how microplastics act as sponges for environmental pollutants like pesticides, heavy metals, and pharmaceuticals, absorbing and concentrating these chemicals in ways that can amplify their toxicity when ingested by marine animals — and potentially by humans.

Sorption of Pollutants on Microplastics

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Researchers reviewed how microplastics act as sponges for other pollutants in the environment, absorbing toxic chemicals like pesticides and heavy metals and potentially carrying them into the food chain, compounding the health risks of plastic contamination beyond the particles themselves.

Simultaneous adsorption of Pb2+ and tetracycline onto pristine and aged polypropylene microplastics

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.