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Effect of nanoplastics on the transport of platinum-based pharmaceuticals in water-saturated natural soil and their effect on a soil microbial community
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Researchers investigated how polystyrene nanoplastics affect the transport of three platinum-based anticancer drugs through water-saturated natural soil and found that nanoplastic surface functionalization altered drug mobility and affected the soil microbial community.
The transport of three platinum-based anticancer drugs (cisplatin, oxaliplatin and carboplatin) in soil–water environments, with and without the presence of two different types of surface functionalized polystyrene nanoparticles (PS-NPs; “nanoplastics”), was investigated.
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Transport of functional group modified polystyrene nanoplastics in binary metal oxide saturated porous media
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Researchers found that the surface functional groups of polystyrene nanoplastics significantly influenced their transport behavior through binary metal oxide porous media, with solution chemistry and the specific combination of metal oxides playing key roles in determining nanoplastic mobility in soil environments.
Impact of plastic nanoparticle (PNP) characteristics on the mobility of oxaliplatin in saturated soil
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Researchers examined how plastic nanoparticle characteristics—size, surface charge, and polymer type—affect the mobility and cellular uptake of the chemotherapy drug oxaliplatin when co-delivered, finding that nanoparticle properties significantly altered drug pharmacokinetics and tumor accumulation.
Transport of polystyrene nanoplastics in natural soils: Effect of soil properties, ionic strength and cation type
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Researchers used column experiments across three soil types to show that polystyrene nanoplastic transport is governed by soil iron and aluminum oxide content and pH — with high-pH, low-oxide soils allowing up to 97% nanoplastic passage — and that calcium ions and higher ionic strength significantly increase retention, revealing that soil chemistry strongly controls nanoplastic mobility toward groundwater.
Polystyrene Nanoplastics-Enhanced Contaminant Transport: Role of Irreversible Adsorption in Glassy Polymeric Domain
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Polystyrene nanoplastics were shown to enhance the transport of co-occurring contaminants through soil by irreversibly adsorbing them onto the glassy polymer domain, facilitating their spread in the environment. The findings indicate that nanoplastics in soil can act as mobile carriers for contaminants that would otherwise remain bound to soil particles, potentially increasing leaching into groundwater.
The Effect of Applying Model Nanoplastic Particles to Soil on the Composition of Its Microbial Community
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Researchers conducted a one-month laboratory incubation experiment applying 0.55 µm polystyrene latex nanoplastics to soil to investigate effects on microbial community composition, finding that nanoplastic contamination altered soil microorganism diversity and activity in ways dependent on soil physicochemical properties and nanoplastic concentration.
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