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

Figure 9

HUVECs observed by fluorescence microscopy on (a) the control and (b–e) the PVA/CMCS/CY hydrogel films of (b) 0.5 μg/mL, (c) 1 μg/mL, (d) 10 μg/mL, and (d) 50 μg/mL.

(a)

(b)

(c)

(d)

(e)