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. 2021 Apr 15;22(8):4104. doi: 10.3390/ijms22084104

Figure 2.

Figure 2

TEM images of the hydrogel of (a) 0.5 wt% GPG1, 1 d at 37 °C, (b) 0.5 wt% of GPG3, 7 d at 37 °C. Insets show photographs of the hydrogels.