[Effect of melanin on the free-radical states of gamma-irradiated proteins and lipids].
1987
: It was shown that the concentration of paramagnetic centres of dihydroxyphenylalanine-melanin increased after gamma-irradiation (60Co) both at room temperature (an irreversible increase) and at 77 K (a reversible increase). The accumulation of paramagnetic centres in gamma-irradiated albumin at room temperature was found to slow down appreciably in the presence of melanin. This effect is thought to be associated with the antiradical activity of the pigment.
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