Research Article

Permeability of Porous Poly(3-hydroxybutyrate) Barriers of Single and Bilayer Type for Implant Applications

Figure 3

SEM image taken by in-lens detection mode of a bilayer PHB film combining a dense PHB layer with a porous layer made with 10% of water in the emulsion template showing (a) the whole cross section (scale bar 10 μm and magnification ×1 k) and (b) the interface between the two layers at a higher magnification (scale bar 1 μm and magnification ×20 k).
958975.fig.003a
(a)
958975.fig.003b
(b)