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Fig. 2 | Cancer Nanotechnology

Fig. 2

From: Graphene oxide nanofilm and chicken embryo extract decrease the invasiveness of HepG2 liver cancer cells

Fig. 2

Characterisation of graphene oxide nanofilm. Topographical image of the uncoated (a scale bar: 10 µm × 10 µm × 29 nm) and graphene oxide-coated plate (b scale bar: 10 µm × 10 µm × 113 nm). Left side: face surface. Right side: three-dimensional atomic force microscopy image. Ra: roughness average. c Visualisation of the hydrophilicity properties of graphene oxide nanofilm in relation to the plastic plate surface. Left side: water contact surface on Petri dish. Right side: water contact surface on Petri dish coated with GO nanofilm. Scale bar 2 mm. d Comparison of water drop area on clean polystyrene surface and polystyrene surface coated with nfGO using ImageJ

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