Figure 3

In vitro cell viability results determined by MTT assay of MCF-7 cells treated with Taxol solvent, Taxol, blank His-AAP micelles and His-AAP PTX micelles after 24 h (A), 48 h (B) and 72 h (C) incubation at 37 °C. Each well contained 4,000 cells. Data represent mean ± standard deviation (n = 3).