Synthesis of Carbon-Encapsulated Magnetic Iron Oxide Nanocomposites for Bioapplication

Figure 5

The MTT assay of HeLa cells cell viable after incubations of different concentrations (0, 25, 50, 100, 200, 500, and 1000 μg/mL) of Fe₃O₄@C-FA at 37°C for 48 h. Error bars indicate the mean ± standard deviations (n = 3).