Figure 4.
FTIR spectra of the precursors (GE, TN, and MB), and GE/TN-GO-MB hydrogels: (A) GE (i), TN (ii) and MB (iii); (B) 1-GE/TN-GO-MB (i), 2-GE/TN-GO-MB (ii), 3-GE/TN-GO-MB (iii), and 4-GE/TN-GO-MB (iv).
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