Table 1.
Major Reactive Oxygen and Reactive Nitrogen Species.
| Molecule Type | Radical Status | Name | Symbol |
|---|---|---|---|
| ROS | Radical | Molecular oxygen | O2•• |
| Superoxide | O2•− | ||
| Hydroxyl | •OH | ||
| Alkoxyl | RO• | ||
| Peroxyl | ROO• | ||
| Hydroperoxyl | HO2• | ||
| Non-radical | Hydrogen peroxide | H2O2 | |
| Peroxide | ROOR | ||
| Singlet oxygen | O2 | ||
| Ozone | O3 | ||
| Hydroxyl ion | OH− | ||
| Peroxynitrite | ONOO− | ||
| RNS | Radical | Nitric oxide | •NO |
| Nitrogen dioxide | •NO2 | ||
| Non-radical | Peroxynitrite | ONOO− | |
| Alkyl peroxynitrite | ROONO | ||
| Nitronium cation | NO2+ | ||
| Nitroxyl cation | NO+ | ||
| Nitroxyl anion | NO− | ||
| Nitrogen oxides | NxOx |