Fig. 1From: Biodistribution and toxicity of radio-labeled few layer graphene in mice after intratracheal instillationCharacterization of FLG using AFM and DLS. a Histogram of flake thickness for FLG (n = 214); b Histogram of lateral flake size for FLG (n = 214); c Representative AFM image of FLG deposited onto mica; d Size distribution of FLG dispersed in 0.1 % Tween 80 saline measured by DLS; e FLG suspension (0.5 mg/mL, suspend in 0.1 % Tween 80 saline) observed under light microscopyBack to article page