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. 2022 Nov 17;170:107644. doi: 10.1016/j.envint.2022.107644

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Fig. 3 — The potential source of toxicity from microplastics and nanoplastics. The toxic influences of MPs/NPs are closely related to the polymer types, sizes, shapes, and concentrations of MPs/NPs and the usage of commercial additives. MPs/NPs can sorb environmental contaminants including POPs (persistent organic pollutants), heavy metals, bacteria, and viruses, and act as vectors to transport contaminants, resulting in the bioaccumulation and biomagnification of toxic substances.