0 a molecule that has an extra electron and therefore reacts very easily with other molecules:
Free radicals have been implicated in cancer and many other serious diseases.
By a feedback mechanism on presynaptic auto-receptors, they reduce dopamine turnover and associated free radical production.
Ageing: a theory based on free radical and radiation chemistry.
Free radical activity following contraction-induced injury to the extensor digitorum longus muscles of rats.
Possibly this is as a result of free radical formation.
During rehydration, superoxide dismutase and glutathione reductase activities increased markedly, possibly affording free radical protection until full hydration and metabolic recovery had occurred.
During the hydrolysis again a free radical mechanism should be advocated for the reaction.
The free radical theory of aging : a critique.
They are known free radical scavengers and metal chelators.
