superoxide anion


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Noun1.superoxide anion - the univalent anion O2-; "much of the O2 supporting cellular respiration is reduced to the superoxide anion O2-"
anion - a negatively charged ion
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Reactive oxygen metabolites contain superoxide anion, hydrogen peroxide and hydroxyl radicals, which are significant intermediary of tissue or organ injury (Gulcin et al.
Hydroxyl radical scavenging capacity and superoxide anion radical scavenging capacity of samples were determined according to the method of Zhang et al [13].
However, there is no special transporter for superoxide anion in the cell membrane and it may release from the cells via anion exchanger.
The heme enzyme MPO, found in neutrophils, uses a superoxide anion to produce hypochlorous acid, which is the major oxidant for its immune function (29).
It catalyses the conversion of reactive superoxide anion, which is the first reactive product of oxygen to molecular oxygen and to a less reactive product, hydrogen peroxide (Nelson et al.
HIV1 Nef induces p47(phox) phosphorylation leading to a rapid superoxide anion release from the U937 human monoblastic cell line.
The immune response, phagocytic activity and superoxide anion production were also stimulated the most on day 7 of the feed supplementation.
Superoxide anion is involved in auto-oxidation of pyrogallol at alkaline pH (8.
All the animals were sacrificed and subjected to biochemical estimations of total protein, tumor necrosis factor-alpha (TNF-[alpha]), thio-barbituric acid reactive substances (TBARS), superoxide anion generation from sciatic nerve tissue and myeloperoxidase (MPO) activity in the surrounding muscular tissue sample.
There are at least three types of ROS, including superoxide anion ([O.
The antioxidant activities of the derivatives were measured using different methods in this study, including reducing power capacity, metal chelating activity, superoxide anion radicals scavenging activity, H2O2 scavenging activity and hydroxyl radical scavenging.