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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
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Quartz sand surface-bound rice root exudates decreased the transport of microplastics in porous media
Environmental Science Nano
2024
4 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Genyao Gu,
Dan Wu,
Yanan Liu,
Junfu Wang,
Yunfei Zhang,
Xiaopeng Min,
Li Cai
Summary
Researchers investigated how rice root exudates bound to quartz sand surfaces affect the transport of microplastics through soil, finding that root exudate coatings on sand grains significantly reduced microplastic mobility. The results suggest plant root activity shapes microplastic fate and transport in agricultural soils.
Quartz sand surface-bound root exudates could decrease the transport of MPs in porous media, due to the lower DLVO energy barrier between MPs and quartz sand covered with root exudates.