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. 2023 Sep 7;24(11):4743–4758. doi: 10.1021/acs.biomac.3c00532

Figure 7.

Figure 7

SEM images (a), (b), and (c) show the surfaces of hydrogels AAH1, AAH2, and AAH4 samples, respectively, at the beginning of the test. Micrographs (d), (e), and (f), respectively, show the surfaces of the previously mentioned hydrogels after 28 days of being submerged in 10 mM GSH solution. Histograms (g), (h), and (i) correspond to the pore size distribution of hydrogels AAH1, AAH2, and AAH4 before the degradation study, while histograms (j), (k), and (l) correspond to the same materials after 28 days of degradation in the presence of GSH.