Figure 2.

Electrochemical intracellular ROS measurement. (A) Scheme of measurement. (B) The ROS levels inside SH-SY5Y cells after incubation with Aβ42, Alz 5, CuCl2, or both. The average ROS level in control cells was 1.2 ± 0.2 μM. Results are shown as mean, SE, and (*) p < 0.05 (one-way ANOVA).