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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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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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Researchers developed a method to track the uptake and transport of plastic nanoparticles in crop plants, as reported in Nature Nanotechnology. The ability to trace nanoplastic movement through edible plants is critical for understanding how microplastics and nanoplastics enter the human food supply through agricultural pathways.
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