Development of a Layer-by-Layer Assembled Film on Hydrogel for Ocular Drug Delivery

Figure 3

(a) Schematic illustration to show self-assembly process of poly(CM-β-CD)/PLL multilayer with drug by incorporating drug into PLL solution. (b) UV absorbance of hydrogel at 285 nm for orfloxacin as a function of layers. (c) UV absorbance of hydrogel at 255 nm for puerarin as a function of layers.

(a)

(b)

(c)