In Situ Preparation and Properties of Poly(vinyl alcohol)/Carboxymethyl Chitosan/Cyanidin Hydrogel Films

Figure 4

SRs of PVA/CMCS (a) and PVA/CMCS/CY hydrogel films in PBS (pH 7.4) and at different temperatures: (a) 25°C, (b) 37°C, and (c) 40°C.

(a)

(b)