Poly(vinyl alcohol) Hydrogels: The Old and New Functional Materials

Figure 4

The biomedical applications: (a) controlled drug releasing from PVA/PEG hydrogels [48], (b) artificial acetabulum fabricated by PVA hydrogel [90], (c) bioadhesive wound dressing PVA hydrogel [39], and (d) PVA hydrogel-based ear-shaped artificial auricular cartilage [86].

(a)

(b)

(c)

(d)