Photoreactions of melanin: a new transient species and evidence for triplet state involvement
CC Felix, JS Hyde, RC Sealy - Biochemical and biophysical research …, 1979 - Elsevier
The detection of a new transient species in photoirradiated natural and synthetic melanins is
reported. This species decays rapidly at both ambient and cryogenic temperatures and has …
reported. This species decays rapidly at both ambient and cryogenic temperatures and has …
Electron spin resonance of melanin from hair. Effects of temperature, pH and light irradiation
R Arnaud, G Perbet, A Deflandre… - Photochemistry and …, 1983 - Wiley Online Library
The variation with temperature, pH and light of the ESR signal of hydrated melanin powders
from Japanese black hair has been studied. An explanation of the results is proposed on the …
from Japanese black hair has been studied. An explanation of the results is proposed on the …
Melanin photoreactions in aerated media: electron spin resonance evidence for production of superoxide and hydrogen peroxide
CC Felix, JS Hyde, T Sarna, RC Sealy - Biochemical and biophysical …, 1978 - Elsevier
Electron spin resonance measurements on aerated melanin suspensions during
photoirradiation show changes in the microwave saturation of melanin free radicals and …
photoirradiation show changes in the microwave saturation of melanin free radicals and …
Electron spin resonance study of melanin treated with reducing agents
L Chauffe, JJ Windle, M Friedman - Biophysical journal, 1975 - cell.com
The electron spin resonances (ESR) of several native and modified melanins have been
determined. Melanins isolated from black wool and synthesized from 3, 4-dihydroxyl-L …
determined. Melanins isolated from black wool and synthesized from 3, 4-dihydroxyl-L …
[63] Radicals in melanin biochemistry
RC Sealy - Methods in Enzymology, 1984 - Elsevier
Publisher Summary Melanins contain free radicals under all known experimental conditions.
The free-radical content is sensitive to light, reducing and oxidizing equivalents, and other …
The free-radical content is sensitive to light, reducing and oxidizing equivalents, and other …
Free radicals from eumelanins: quantum yields and wavelength dependence
T Sarna, RC Sealy - Archives of Biochemistry and Biophysics, 1984 - Elsevier
Formation of light-induced free radicals from natural eumelanin (from bovine eyes) and
synthetic melanin (from oxidation of 3, 4-dihydroxyphenylalanine) has been studied by …
synthetic melanin (from oxidation of 3, 4-dihydroxyphenylalanine) has been studied by …
On the origin of the free radical property of melanins
HC Longuet-Higgins - Archives of Biochemistry and Biophysics, 1960 - Elsevier
The presence of unpaired electrons in melanin may be readily understood if it is supposed
that melanin is in effect a one-dimensional semiconductor, any bound protons acting as …
that melanin is in effect a one-dimensional semiconductor, any bound protons acting as …
[引用][C] Photochemistry and photobiology of epidermal melanins
MR Chedekel - Photochemistry and photobiology, 1982 - Wiley Online Library
There are a number of well-documented aging phenomena which occur in human skin as a
result of chronic exposure to sunlight, and it is generally accepted that melanin and its …
result of chronic exposure to sunlight, and it is generally accepted that melanin and its …
Biophysical studies of melanin: paramagnetic, ion-exchange and redox properties of melanin pigments and their photoreactivity
T Sarna, PM Plonka - Biomedical EPR, Part A: Free Radicals, Metals …, 2005 - Springer
Melanin is a ubiquitous biological pigment with unusual physicochemical properties. This
paper emphasizes selected aspects of melanin research in which significant contributions …
paper emphasizes selected aspects of melanin research in which significant contributions …
Photoinduced oxygen consumption in melanin systems. Action spectra and quantum yields for eumelanin and synthetic melanin
T Sarna, RC Sealy - Photochemistry and photobiology, 1984 - Wiley Online Library
The first quantitative measurements of the wavelength dependence of oxygen consumption
in systems containing eumelanin (from bovine eyes) and synthetic DOPA melanin are …
in systems containing eumelanin (from bovine eyes) and synthetic DOPA melanin are …