Fig. 1From: Multi-dimensional evaluation of cardiotoxicity in mice following respiratory exposure to polystyrene nanoplasticsCharacterization of PS-NPs. (A): TEM images of 40Â nm PS-NPs (scale bar: 200Â nm). (B): Size distribution by volume. (C): Zeta potential distribution of PS-NPs. (D): FTIR spectroscopy of PS-NPsBack to article page