Chitosan-Grafted Copolymers and Chitosan-Ligand Conjugates as Matrices for Pulmonary Drug Delivery
Figure 2
Effect of chitosan on the absorption of drugs by the paracellular route. (a) Normal epithelium. (b) Transient disruption of tight junctions by chitosan with enhancement of drug absorption. 1: represents the drug, 2: represents the tight junction, and 3: represents chitosan.
