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. 2021 Dec 21;23(1):22. doi: 10.3390/ijms23010022

Figure 8.

Figure 8

SEM images of: (a) CMC/r-GO powder; (b) CMC/CHO/PEG hydrogel; (c) CMC/r-GO/CHO/PEG hydrogel; and (d) illustration of CMC/r-GO/CHO/PEG hydrogel. The insets show photographs of the corresponding samples. Reproduced from Ref. [82]. Copyright 2019 ELSEVIER.