Figure 4.
Effect of rotenone and NP on dopamine level in the brain of Balb/c mice. Normal and PD mice were injected with 5.6 mg/kg ZnO, 5.6 mg/kg CoFe2O4, or a combination of both NPs. Levels of dopamine were assayed in whole brain extracts using the ELISA method. Data represented are the average of 3 different determinations ±SD. Asterisks on bars represent significance relative to the control and those drawn-up wards represent intra-categorical statistical significance. (*) corresponds to p < 0.05.