High-Resolution Imaging of Polyethylene Glycol Coated Dendrimers via Combined Atomic Force and Scanning Tunneling Microscopy

Figure 2

300 × 300 nm² AFM topographic images of G4-PAMAM-50PEG₁₀₀₀ imaged with 42% (a) and 23% (b) dampening. Cursor profile is taken from representative G4-PAMAM-50PEG₁₀₀₀ dendrimers in images (a) (red) and (b) (blue).