Fig. 4From: Delivery of melittin-loaded niosomes for breast cancer treatment: an in vitro and in vivo evaluation of anti-cancer effectComparing stability of optimum formulation at 4 °C and 25 °C. Mean particle size (a), PDI (b) and EE % (c) were studied as stability parameters. Results are represented by mean ± SD (n = 3). *P < 0.05, ***P < 0.001Back to article page