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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Nanoplastics Sign in to save

Emerging investigator series: suspended air nanobubbles in water can shuttle polystyrene nanoplastics to the air–water interface

Environmental Science Nano 2024 3 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Kenneth Mensah, André L. Magdaleno, Sudheera Yaparatne, Sergi Garcia‐Segura, Onur G. Apul

Summary

Nanobubbles suspended in water can physically carry nanoplastic particles to the air-water interface and concentrate them there, but only when the repulsive electrical charge between the particles and bubbles is reduced by adjusting pH. This discovery points toward a potential low-energy method for removing nanoplastics from water, which is currently one of the hardest fractions of plastic pollution to filter out.

Polymers
PS

Suspended nanoplastics can be removed from the water column with nanobubbles if interparticle repulsive forces are overcome by pH adjustment.

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