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Biofilm-induced microplastic transport under subcritical shear stress
Regional Studies in Marine Science
2026
Guanju Wei,
Judy Q. Yang
Summary
Researchers used microfluidic experiments and fluid-dynamics simulations to show that bacterial biofilms—including Pseudomonas aeruginosa and E. coli—can actually promote microplastic bead transport in low-flow conditions by generating a lift force that exceeds the bead's weight, uncovering a previously unrecognized biological mechanism for spreading microplastics through aquatic environments.