581684.fig.006a
(a)
581684.fig.006b
(b)
581684.fig.006c
(c)
Figure 6: AFM images of the synthesized PHB film on the silicon surface. (a) The cross section (b) taken at the 10 μm horizontal line. Part (c) is the magnified image of the square area (2 μm × 2 μm) in part (a). It shows the microstructure of an individual grain. Reprinted with permission from Kim et al. [59], Copyright (2004), American Chemical Society.