Figure 4.

Cellular uptake of three ionic nanomaterials in relation to free soluble drugs after 6 h incubation of a 60000 pmol drug in MCF-7 cancer cells. Data are presented as mean ± SD (n = 3). Data are presented as mean SD (n = 3). (*p < 0.05, **p < 0.01, ***p < 0.005).