Results 111 to 120 of about 23,414 (164)
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Spin-trapping of superoxide ion by a water-soluble, nitroso-aromatic spin-trap
Biochemical and Biophysical Research Communications, 1986Spin-trapping of superoxide ion, O2-, which is produced from two different sources (OH(-)-DMSO and xanthine-xanthine oxidase systems), was investigated by use of a water-soluble, notroso-aromatic spin trap, sodium 3,5-dibromo-4-nitrosobenzene-sulfonate (DBNBS).
T, Ozawa, A, Hanaki
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“Distant spin trapping”: a method for expanding the availability of spin trapping measurements
Journal of Biochemical and Biophysical Methods, 2005The technique of spin trapping is used to study a wide range of free radicals in various systems, including those generated in vitro and in vivo. But unfortunately, EPR spectrometers are not always immediately accessible at the site of experimentation, and therefore it is important to find a method that can preserve a radical adduct over longer periods
Nadeem, Khan +4 more
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Spin Trapping and Associated Vocabulary
Free Radical Research Communications, 1990Spin trapping as a technique for detecting free radicals in biological systems is developing rapidly. Two conferences have focused on this method and this paper introduces the contributions resulting from the second meeting held in the Ontario Veterinary College of the University of Guelph on July 2-7, 1989.
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Lyoluminescence and spin trapping
Canadian Journal of Chemistry, 1982The chemical origin of lyoluminescence has been probed using spin trapping techniques. Radicals derived from amino acids and saccharides by γ-irradiation in the solid state have been identified after trapping with aliphatic and aromatic nitroso compounds. Most of the radicals trapped were secondary alkyl radicals.
Kamil V Ettinger +2 more
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Physics World, 1994
Our lives may have depended on them. The evolution of the Universe would have been very different if nuclear isomers – long-lived excited states of nuclei – did not exist. The reaction pathways in stars, where all the heavy elements in the Universe were formed, are inextricably linked with isomers that live long enough to capture a neutron or proton ...
Phil Walker, George Dracoulis
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Our lives may have depended on them. The evolution of the Universe would have been very different if nuclear isomers – long-lived excited states of nuclei – did not exist. The reaction pathways in stars, where all the heavy elements in the Universe were formed, are inextricably linked with isomers that live long enough to capture a neutron or proton ...
Phil Walker, George Dracoulis
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1984
Publisher Summary The method of detecting reactive short-lived free radicals by the spin-trapping technique was first demonstrated in the late 1960s. At this time, the spin-trapping method involves the addition of an organic compound (spin trap) to the solution under investigation.
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Publisher Summary The method of detecting reactive short-lived free radicals by the spin-trapping technique was first demonstrated in the late 1960s. At this time, the spin-trapping method involves the addition of an organic compound (spin trap) to the solution under investigation.
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2000
Abstract Election spin resonance (ESR) spectroscopy is a technique that can be applied to the detection and measurement of free radicals, because it detects the presence of unpaired electrons.
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Abstract Election spin resonance (ESR) spectroscopy is a technique that can be applied to the detection and measurement of free radicals, because it detects the presence of unpaired electrons.
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EPR Spin trapping of protein radicals
Free Radical Biology and Medicine, 2004Electron paramagnetic resonance (EPR) spin trapping was originally developed to aid the detection of low-molecular-mass radicals formed in chemical systems. It has subsequently found widespread use in biology and medicine for the direct detection of radical species formed during oxidative stress and via enzymatic reactions.
Davies, Michael Jonathan +1 more
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Spin-polarized spontaneous-force atom trap
Physical Review Letters, 1992We present observations of a spontaneous-force optical trap in which rubidium atoms are spin polarized by optical pumping. Stable trapping is achieved in two dimensions by the same force as in the Zeeman-shift optical trap, and in the third dimension by a macroscopic vortex force that is insensitive to light polarizations and magnetic fields.
, Walker +3 more
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