Figure 6: Schematic illustration of the formation of junction points of CS hydrogel in LiOH-urea solution. | Nature Communications

Figure 6: Schematic illustration of the formation of junction points of CS hydrogel in LiOH-urea solution.

From: Gelation process visualized by aggregation-induced emission fluorogens

Figure 6

(a) Well-dissolved solution; (b) formation of inter/intramolecular hydrogen bonds of CS, induced by heating; (c) formation of crystalline in CS gel; (d) further formation of hydrogen bonds of CS, induced by the removal of LiOH and urea. The partial CS chains in the figure may belong to the same CS macromolecule or different CS macromolecules.

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