Figure 1: AFM imaging and analysis of HCV RNA deposited in Mg2+-containing buffer. A representative 3×3 μm2 image (A), scale bar=0.4 μm) along with a gallery of 0.4×0.4 μm2 images (B), scale Bar=0.1 μm) for RNA deposited in buffer containing 1.5 mM Mg2+ cations. Histograms of the volume (C) and diameter of the smallest enclosing circle (D).