Figure 3.

Effect of C₆₀(OH)_x(ONa)_y on viability of cultured hippocampal neurons. (A) Hippocampal neurons treated with fullerenol 0, 1, 5, 25, and 100 μM for 24 hours. (B) Hippocampal neurons treated for 48 hours. (C) Hippocampal neurons treated for 72 hours.

Notes: The results show mean ± standard error (n = 8) values from a representative experiment that was repeated at least three times. *P < 0.05 versus control group; **P < 0.01, versus control group. One-way analysis of variance with Bonferroni post hoc tests.

Abbreviation: PI, propidium iodide.