Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Levels of H2O2 in the absence and in the presence of ascorbic acid (AA, 200 μM) during (A) autoxidation working solutions of 1 mM L-DOPA or 1 mM dopamine and (B) extracellular medium during treatment with 1 mM L-DOPA or 1 mM dopamine. Each column represents the mean of 3–6 experiments per group and vertical lines show s.e.mean. *P<0.05 compared with control; and #P<0.05 compared with L-DOPA alone or DA alone.
