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Aging Mechanism of Microplastics with Seawater Ageing and its Effects on the Adsorption of Malachite Green
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Researchers modeled the chemical and hydrolytic aging of polyamide 6 in seawater using a new kinetic model that tracks chain scission and embrittlement, identifying the ductile-to-brittle transition as the physical threshold for microplastic fragment formation, while DNA metabarcoding revealed that bacterial communities colonizing the polymer surface shift distinctly depending on polymer type and weathering state.
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