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. 2018 Oct 8;4(4):81. doi: 10.3390/gels4040081

Figure 5.

Figure 5

Figure 5

Micrographs of the Congo red-stained thin sections of PVACGs prepared with the addition of GHC in the concentrations of 1.0 mol/L (a) and 2.0 mol/L (b), and with the addition of URE in the concentrations of 1.0 mol/L (c) and 3.0 mol/L (d) (the physicochemical properties of these cryogel samples are shown in Figure 3).