Table 2. Reactions that produce free radicals.
Superoxide production | O 2 + e − : O 2 − |
Hydrogen peroxide production | 2H + O 2 : H 2O 2 |
Haber-Weiss reaction | O 2 − + H 2O 2 : O 2 + 2OH |
Fenton reaction | Fe 2+ + H 2O 2 : OH + OH − Fe 3+ |
Peroxynitrite production | O 2 − + NO : ONOO |
Peroxynitrous acid production | ONOO − + H + : ONOOH |
Breakdown of peroxynitrous acid | ONOOH : OH + NO 2 |
NO 2 and CO 3 production | ONOO − + CO 2 : NO 2 + CO 3 |