Smart Nanoparticles for Drug Delivery Application: Development of Versatile Nanocarrier Platforms in Biotechnology and Nanomedicine

Figure 5

Chemical composition of PNIPAM, chitosan, and poly(vinyl alcohol) hydrogels. Schematic representation of the main crosslinking approaches employed for the construction of chemical (b) and physical hydrogels (c).

(a)

(b)

(c)