The influence of Pb(II) adsorption on (Non) biodegradable microplastics by UV/O3 oxidation treatment

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

UV‑driven surface oxidation of PVC microplastics and their interaction with emerging pollutants

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UV light aging dramatically increased the ability of PVC microplastics to adsorb the antibiotic ofloxacin, with weathered plastic absorbing more than twice as much as pristine PVC due to new oxygen-containing surface groups. This means that UV-aged microplastics in the environment act as concentrated carriers for pharmaceutical pollutants, potentially transporting antibiotics into organisms that ingest them.

Adsorption Capacity of Microplastics on Sb in Water

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Laboratory experiments showed that five common microplastic types—PP, PE, PS, PET, and PVC—all adsorb antimony, a toxic heavy metal, from water, with polystyrene showing the highest uptake capacity. This confirms that microplastics act as vectors for hazardous metals in the environment, potentially concentrating toxins and delivering them to organisms that ingest the particles.

Heavy metal sorption in marine microplastic over time

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This meta-analysis investigated pathogen associations in marine plastisphere communities, synthesizing metagenomics and culture-based data on pathogenic microorganisms colonizing plastic surfaces in ocean environments. The analysis demonstrates that plastic marine debris enriches for potential pathogens at higher rates than surrounding seawater.

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.