Figure 8

(a) Tensile stress–strain curves of different OPCs-PVA/SA hydrogels, (b) Macroscopic images of different OPCs-PVA/SA hydrogels.
(a) Tensile stress–strain curves of different OPCs-PVA/SA hydrogels, (b) Macroscopic images of different OPCs-PVA/SA hydrogels.