Design and Characterization of Endostatin-Loaded Nanoparticles for In Vitro Antiangiogenesis in Squamous Cell Carcinoma

Figure 9

Cumulative drug release of the 15 experimental design formulations at pH 6.8 (a) and 7.4 (b). BSA release is higher at acidic pH of 6.8 than at physiological pH of 7.4 for each corresponding formulation.

(a)

(b)