Figure 1.
DMPO enters the brain after intraperitoneal injections. (A) HPLC chromatogram showing a peak corresponding to DMPO in brain and liver homogenates after 2 hours of DMPO injections (2g/kg, i.p.). (B) MS spectra showing peaks with m/z of 114.09, indicating the presence of DMPO in brain homogenates after intraperitoneal injections.