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. 2022 Nov 15;7(47):43111–43121. doi: 10.1021/acsomega.2c05516

Figure 2.

Figure 2

SEM images for samples. (a) 15 mL pure water + 2 g gelatin + 1.75 g glycerol. (b) 15 mL pure water + 1.75 g gelatin + 1.25 g glycerol. (c) 15 mL pure water + 2 g gelatin + 1.25 g glycerol. (d) 15 mL pure water + 1.25 g gelatin + 1.25 g glycerol.