Migration of Natural Organic Matter and Pseudomonas Fluorescens-Associated Polystyrene on Natural Substrates in Aquatic Environments

Effects of Nano- and Microplastic Particles (NMPs) on the Transport of PFOA in Natural Sediment

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Researchers used column experiments to show that polystyrene nanoplastics (0.1 µm) had little effect on PFOA transport through saturated sediment, while larger microplastics (5 µm) slightly increased PFOA retention by acting as a carrier. This distinction matters because PFAS chemicals commonly co-occur with microplastics in the environment, and understanding how particle size governs contaminant mobility is critical for assessing combined pollution risks in groundwater and sediments.

Evolution of Polystyrene in Simulated River: Micro(Nano)Plastics Generation and Plastic Additives Release

Polystyrene microplastics: environmental presence, pathways, and biological impact

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Researchers reviewed the environmental presence, transport pathways, and biological impacts of polystyrene microplastics, documenting how widespread food packaging use leads to pervasive contamination of aquatic and terrestrial ecosystems and raises concerns for organismal and human health.

Transport of polystyrene microplastics in paddy soils with different chemical conditions: effects of anionic and cationic surfactants

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Researchers found that common detergents called surfactants can significantly alter how microplastics move through agricultural soils, with factors like salt concentration and calcium ions sometimes blocking 89% of microplastic transport — findings that help predict how plastic particles spread through farmland and potentially into crops.

Effects of Biofouling on the Sinking Behavior of Microplastics in Aquatic Environments

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Biofouling—the colonization of microplastics by microorganisms and algae—significantly alters the sinking behavior of plastic particles in aquatic environments, causing them to transport deeper into water columns and sediments. This process affects where microplastics ultimately accumulate, influencing their bioavailability to marine organisms and potential entry into food chains.