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. 2021 Nov 26;13(23):4130. doi: 10.3390/polym13234130

Figure 4.

Figure 4

(a) Storage modulus as a function of concentration of cross-linker calcium chloride for 2.7 wt% solutions and gels of sodium alginate containing 5.4 vol% HNTs. (b) Log-log dependence of storage modulus at frequency of 50 rad/s on the concentration of cross-linker calcium chloride for 2.7 wt% solutions and gels of sodium alginate in the absence of HNTs (cyan squares) and the presence of 5.4 vol% HNTs (red circles). Gray squares on the y-axis denote the storage modulus in the absence of cross-linker. The arrow indicates the gelation conditions for alginate solution (without halloysite).