Table 2.

The use of chitosan in chitosan-based nanoparticles in the treatment of AD

	Chitosan nanoparticles as a delivery vehicle	Chitosan as a coating for nanoparticles
Main building materials for the nanoparticles	Chitosan	Can be any materials
Chitosan location	Chitosan acts as the main building block and can be found throughout the body of the nanoparticles	Chitosan is only decorated on the surface of the nanoparticles
Properties of chitosan	Chitosan can be utilized for its permeation enhancing properties	Chitosan can be utilized for its permeation enhancing properties