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Tracking Micro-Nanoplastic Removal from Edible Vegetable Leaves Through In-Situ Confocal Surface Enhanced and Normal Raman Imaging
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Evaluating Postharvest Washing Methods for Micro-Nanoplastic Removal from Edible Vegetable Leaves
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A gold-nanoparticle-enhanced Raman spectroscopy substrate using V-shaped anodized aluminum oxide nanopores was developed to detect individual microplastic particles as small as 1 micrometer, with successful testing on real atmospheric samples. Rapid, sensitive detection methods for sub-5-micrometer microplastics are essential because this size range is the hardest to monitor yet most likely to penetrate biological barriers.
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This study evaluated micro-Raman spectroscopy as an analytical tool for detecting and characterizing microplastics in drinking water, examining both its capabilities and practical limitations for routine water quality monitoring. Given that microplastics are now found throughout water treatment chains, establishing reliable detection methods is a critical step toward understanding human ingestion exposure from tap and bottled water.
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