Review Article

Biodegradable Polymers for Microencapsulation Systems

Figure 42

Microscopy images for MC4 (a) optical microscopy after washing the PVA (400× magnification), (b) SEM after washing the PVA (5000× magnification), and (c) SEM without washing the PVA (2300× magnification) [123].
(a)
(b)
(c)