Figure 4 of Wang, Mol Vis 2012; 18:255-264.

Figure 4. The appearance of the blend membranes formed by dry process. A: Macroscopic view of the blended membranes and placed in glass plate under wet conditions with PBS. B: The appearance of chitosan and PCL 25 membrane after cutting out in size of 6-well TCPS plate and placed on vision screen chart.