Figure 4. Difference in crystalline of CS gel via alkaline and acidic solvent.
(a) WAXS patterns of CS hydrogel via alkaline and acidic solution, c(CS) = 3 wt.%; (b) XRD diffraction profiles of CS hydrogel via alkaline and acidic solution, c(CS) = 3 wt.%; (c) evolution of crystalline in CS alkaline system during gelation process, c(CS) = 2 wt.%; (d) evolution of crystalline in CS acidic system during gelation process, c(CS) = 2 wt.%.