Figure 4.
(A) Example of the set-up for the film casting process. Seen below (B,C) are two examples of films casted that are made from chitosan. (B) is an SEM micrograph (Scale 100 μm) and (C) is a topographic image of the surface of the film. ((B,C) are reproduced with permission from Ref [127], Copyright RSC Publishing, 2009).