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. 2019 Sep 2;9(47):27449–27454. doi: 10.1039/c9ra05788a

Fig. 2. SEM micrographs of the surface of the films. (1) CGBE = 0 g, (2) CGBE = 0.5 g/100 g gelatin, (3) CGBE = 1.5 g/100 g gelatin, (4) CGBE = 2.5 g/100 g gelatin, (5) CGBE = 3.0 g/100 g gelatin, (6) CGBE = 4.0 g/100 g gelatin, (7) CGBE = 5.0 g/100 g gelatin.

Fig. 2