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. 2022 May 27;13(2):67. doi: 10.3390/jfb13020067

Figure 1.

Figure 1

Figure 1

The SEM images of biodegradable (a,b) ESP/CS and (c,d) CS film with different magnifications (×30 µm, ×100 µm) and TEM images of (e–g) ESP/CS and (h,i) CS film with different magnifications (×100 µm, ×200 µm, ×500 µm).