ESR Study of Phenyl Nitric Oxide Radical
نویسندگان
چکیده
منابع مشابه
ESR techniques for the detection of nitric oxide in vivo as an index of endothelial function.
Plasma nitrite/nitrate levels reflect oxidation of formed nitric oxide (NO ) but are not indicative of endothelial nitric oxide synthase (eNOS) function due to interference by dietary nitrates and reactive oxygen species (ROS). Nitrosyl hemoglobin (NOHb), a metabolic product of nitric oxide, may better correlate with bioavailable NO but it may depend on the activity of different nitric oxide sy...
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Background: Safety and efficacy of the synthetic antioxidants used in the food industry are frequently questioned because such antioxidants are unstable and highly volatile, therefore, interest in finding naturally occurring antioxidants that have the potential to protect human beings from damage induced by oxidative stress has intensified. Objective: Bioactivities of Thymus daenensis and Ane...
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objective: despite toxic effects of some essential oils, their use is not under control. with a view to increasing trend of utilisation of herbal products, some biological aspects of thymus daenensis are repoted here for the first time. materials and methods: antimicrobial properties using disk diffusion and dilution tests, nitric oxide radical scavenging by marcocci et al method and cytotoxic...
متن کاملTyrosine iminoxyl radical formation from tyrosyl radical/nitric oxide and nitrosotyrosine.
The quenching of the Y(D)(.) tyrosyl radical in photosystem II by nitric oxide was reported to result from the formation of a weak tyrosyl radical-nitric oxide complex (Petrouleas, V., and Diner, B. A. (1990) Biochim. Biophys. Acta 1015, 131-140). This radical/radical reaction is expected to generate an electron spin resonance (ESR)-silent 3-nitrosocyclohexadienone species that can reversibly r...
متن کاملParamagnetic resonance study of Nitric Oxide hemoglobin.
The electron paramagnetic resonance absorption of nitric oxide hemoglobin was observed as a possible model system for oxyhemoglobin. The electron paramagnetic resonance spectrum showed three g factors indicating a rhombic symmetry around the paramagnetic center. By use of 15N0, the unpaired electron was found very little associated with NO nitrogen, in contrast to what has been customarily assu...
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ژورنال
عنوان ژورنال: Bulletin of the Chemical Society of Japan
سال: 1967
ISSN: 0009-2673,1348-0634
DOI: 10.1246/bcsj.40.2549