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. 2020 Feb 16;12(2):459. doi: 10.3390/polym12020459

Figure 4.

Figure 4

Cross-section of the (a) WG 5G LT (left) and WG 5G LT after 24 h swelling and lyophilized (right); (b) WG 5S HT (left) and WG 5S HT after 24 h swelling and lyophilized (right). The bar in the insert indicates 50 µm.