Osthole-Loaded Nanoemulsion Enhances Brain Target in the Treatment of Alzheimer’s Disease via Intranasal Administration

Figure 2

Pseudoternary phase diagrams of the oil-surfactant-water systems. The shaded region represents nanoemulsion. (a) EL-35 as surfactant; (b) HS-15 as surfactant; (c) a mixture of EL-35 and HS-15 at a ratio of 1 : 1 as surfactant; (d) Tween-80 as surfactant.

(a)

(b)

(c)

(d)