Figure 2From: Printed paper-based arrays as substrates for biofilm formationAFM characterization of the substrates. Topographical images (10 μm × 10 μm) of the paper substrates with coating a) Latex 1, b) Latex 2, c) Kaolin and d) PCC. Also included are topographs of the e) polystyrene 96-well microplate and f) the printed PDMS surface. The scale bar in each image is 1 μm.Back to article page