Figure 4

Characterization of small micelles. (A) TEM image of micelles negatively stained by 2% phosphotungstic acid. (B) Particle size distribution of micelles analyzed by DLS. (C) Particle size and (D) zeta potential of drug-loaded micelles. (E) PTX-releasing profiles from Taxol, Micelles-PTX in PBS (0.01 M, pH = 7.4) with 0.5% Tween-80 at 37 °C (n = 4).