نتایج جستجو برای: electron paramagnetic resonance
تعداد نتایج: 510854 فیلتر نتایج به سال:
The major advancement outlined in this communication is the simultaneous visualisation of two kinds of nitroxyl radicals using electron paramagnetic resonance (EPR) spectroscopy and imaging.
Electron paramagnetic resonance spectroscopy has unmasked for the first time the spin-delocalised doublet- and triplet-ground states of azacalix[4]arene cation radicals.
High-field/high-frequency electron paramagnetic resonance spectroscopy was employed to synthesize melanin provide relevant information on the carbon-centered free-radical nature of this biomaterial.
This paper reports the experimental results on paramagnetic properties of carbon-doped titanium dioxide. The electron paramagnetic resonance study of the samples has been carried out both in dark and under illumination. The nature of defects and their dynamics under illumination of carbon-doped TiO_2 samples are discussed.
When dihydroorotate dehydrogenase, from Zymobacterium oroticum, was reduced by DPNH or dihydroorotate and examined by electron paramagnetic resonance spectrometry, a relatively intense free radical signal and the asymmetric signal at g = 1.94, found in many nonheme iron proteins, were observed within a few milliseconds. Both shape and saturation with microwave power of the free radical signals ...
Creatine kinase from rabbit muscle has been specifically labeled with a derivative of a nitroxide free radical on the two essential sulfhydryl groups, one per active site. The conformation in the environment of the enzyme-bound free radical and the change in conformation induced upon binding of the substrate, metal adenosine diphosphate, has been monitored by two parameters of the bound spin la...
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