Electron spin resonance study of melanin treated with reducing agents
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چکیده
منابع مشابه
MAGNETISATION AND ELECTRON SPIN RESONANCE STUDIES OF TETRAHEDRAL AMORPHOUS CARBON
The magnetisation and electron spin resonance (ESR) spectrum of two specimens of tetrahedral amorphous carbon (ta-C), deposited from a filtered cathodic arc, were measured over a wide temperature range. The magnetisation was found to consist of superparamagnetic, paramagnetic and diamagnetic contributions. The superparamagnetic contribution resembled that recently found in carbon prepared from ...
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Changes are induced in the electron spin resonance signal amplitude and microwave power saturation of the naturally occurring free radical in melanin by bound paramagnetic ions. The changes serve as experimental observables in competition experiments between diamagnetic and paramagnetic metal ions for melanin binding sites and between melanin and ethylenediaminetetraacetic acid for paramagnetic...
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Twenty-nine types of mouse tumor and two normal mouse tissues were examined in the frozen state by electron spin resonance spectroscopy, and the redox states of some components were characterized. Intracellular organelles of mouse hepatoma and of normal mouse liver were separated by differential centrifugation and examined by elec tron spin resonance spectroscopy. The major difference between t...
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متن کاملmagnetisation and electron spin resonance studies of tetrahedral amorphous carbon
the magnetisation and electron spin resonance (esr) spectrum of two specimens of tetrahedral amorphous carbon (ta-c), deposited from a filtered cathodic arc, were measured over a wide temperature range. the magnetisation was found to consist of superparamagnetic, paramagnetic and diamagnetic contributions. the superparamagnetic contribution resembled that recently found in carbon prepared from ...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 1975
ISSN: 0006-3495
DOI: 10.1016/s0006-3495(75)85838-3