The so-called antioxidant enzymes that remove the intermediates of oxygen reduction, in particular, superoxide dismutase (SOD), catalase and glutathione peroxidase act in damage control by preventing ...

Reduction is the gain of electrons by a substance. It is also the loss of oxygen from a substance. For example, copper(II) oxide can be reduced to form copper when it reacts with hydrogen: ...

The metal atoms are losing electrons to form an ion. They are being oxidised. \(Mg(s) \to Mg_{}^{2 + }(aq) + 2e_{}^ - \) This is known as an ion-electron equation. Reduction is the opposite of ...

Batteries have been around for a long time and new ones are constantly being developed in academia or industry. This article takes a look at redox flow batteries and the applications they are commonly ...