Fabrication of Hyaluronan-Poly(vinylphosphonic acid)-Chitosan Hydrogel for Wound Healing Application

Figure 1

Morphology of samples PCS1 (a), PCS2 (b), PCS3 (c), PCS4 (d), HPCS1 (e), HPCS2 (f), HPCS3 (g), and HPCS4 (h).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)