Results 31 to 40 of about 36,943 (245)
100 Years of peroxynitrite chemistry and 11 years of peroxynitrite biochemistry [PDF]
The paper on the unusual properties of a mixture of hydrogen peroxide and nitrous acid by Baeyer and Villiger from 1901 can be regarded as the first report on peroxynitrite. In 1990, Beckman and co-workers suggested that peroxynitrite, formed from the reaction of superoxide with nitrogen monoxide, could be a transient oxidizing species in vivo, a ...
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The effect of pterin-6-aldehyde (P6A), xanthine oxidase inhibitor and superoxide scavenger, on the production of nitrotyrosine as a footprint of tyrosine nitration by peroxynitrite, was compared with that of uric acid, a peroxynitrite scavenger.
Mori Hiroko+5 more
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Abstract Peroxynitrite is the product of the nearly diffusion limited reaction between two free radicals, nitric oxide and superoxide. Peroxynitrite is a relatively long-lived, highly reactive species that can undergo harmful secondary oxidations of key cellular components.
Y Z Ye+5 more
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Cyclic Hydroxylamines as Monitors of Peroxynitrite and Superoxide-Revisited
There is a considerable need for methods that allow quantitative determination in vitro and in vivo of transient oxidative species such as peroxynitrite (ONOOH/ONOO−) and superoxide (HO2•/O2•−).
Uri Samuni, Amram Samuni, Sara Goldstein
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Reaction of Astaxanthin with Peroxynitrite [PDF]
The in vitro reactivities of astaxanthin toward peroxynitrite were investigated and the reaction products after scavenging with peroxynitrite were analyzed in order to determine the complete mechanism of this reaction. A series of carotenoids, 13-apo-astaxanthinone (1), 12'-apo-15'-nitroastaxanthinal (2), 12'-apo-astaxanthinal (3), 10'-apo ...
Aditya Kulkarni+5 more
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Isotope Techniques in Chemical Wastewater Treatment: Opportunities and Uncertainties
In this review, we would first introduce basic knowledge about isotopic compounds and then scrutinize the physical and chemical influence induced by isotope changes. Special attention will be paid to the uncertainties in explaining the isotope results.
Hongyu Zhou+7 more
wiley +2 more sources
Degradation of Hyaluronan by Peroxynitrite
Treatment of high-molecular-weight hyaluronan (HA) with peroxynitrite at neutral pH (ONOO-/ONOOH) results in altered mobility on agarose gel electrophoresis, as well as reduced limiting viscosity number. Both effects are consistent with a reduction in HA molecular weight.
Rolondo E. Vilar+3 more
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Linoleic acid-induced mitochondrial Ca(2+) efflux causes peroxynitrite generation and protein nitrotyrosylation. [PDF]
It is well known that excessive non-esterified fatty acids in diabetes contribute to the pathogenesis of renal complications although the mechanism remains elusive.
Hong-Mei Zhang+3 more
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A CO2 laser‐assisted solid‐state synthesis of a bimetallic single‐atom catalyst is presented. The resulting material consists of a 3D porous graphene support with iron and cobalt atoms anchored as single atoms. Through electrochemical methods, the material's efficiency is demonstrated in the sensitive and selective determination of nitrite, mimicking ...
Guillermo Tostado‐Blazquez+5 more
wiley +1 more source
Systemic lupus Erythematosus is an autoimmune disease of unknown aetiology affecting multiple organ system. Reactive nitrogen and oxygen species are claimed to play a role in this disease.
Shaimaa M. Mohammed+2 more
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