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Characterization of the functionalized polystyrene (PS) nanoplastics (NPs). (A) Size (nm), polydispersity index (PDI) and zeta (ζ) potential mean values of the functionalized NPs, measured by DLS, ± SEM (n = 3) are presented. (B) Representative transmission electron microscopy images of the functionalized polystyrene NPs in a complete culture medium. Scale bar: 200 nm.
