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<i>In situ</i> Detection of Microplastics: Single Microparticle‐electrode Impacts

Electroanalysis 2017 39 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 30 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

K. Shimizu, Stanislav V. Sokolov, Enno Kätelhön, Jennifer Holter, Jennifer Holter, Neil P. Young, Richard G. Compton

Summary

This study developed an electrochemical method using particle-impact techniques to detect and size individual polyethylene microparticles in water solution. The novel analytical approach enables detection of microplastics in aqueous samples in situ, without the need for filtration or sample processing that could introduce contamination.

Polymers

Abstract Particle‐impact electrochemistry is employed to study spherical polyethylene microparticles suspended in an aqueous solution. This electrochemical method detects polyethylene microparticles impacting on a carbon fiber electrode generating a transient current response or “spike”. We interpret the physio‐chemical origin of the spikes and accurately identify particle size distributions and concentrations for microparticles of sizes 1–10 μm.

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