Results 291 to 300 of about 145,800 (349)
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Ionol (BHT) Produces Superoxide Anion
Biochemistry (Moscow), 2002In aqueous medium etiolated wheat seedlings release superoxide anion (O2*-). Interaction of a synthetic antioxidant, butylated hydroxytoluene (BHT, ionol), with oxygen in the aqueous medium is accompanied by O2*- formation. This suggests that under certain conditions BHT behaves as a prooxidant.
E G, Smirnova +7 more
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Superoxide Anion Scavenging Property of Dipyridamole
Thrombosis and Haemostasis, 1989[No abstract available]
IULIANO, Luigi +4 more
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Superoxide Dismutase-Based Third-Generation Biosensor for Superoxide Anion
Analytical Chemistry, 2002A third-generation biosensor for superoxide anion (O2-) was developed by immobilizing superoxide dismutase (SOD) on a self-assembled monolayer of cysteine on gold electrode; i.e., a SOD/cysteine-modified gold electrode (SOD/Cys/Au) was fabricated. A rapid and direct electron transfer of SOD was realized at the gold electrode by using the cysteine ...
Y.Tian, L.Mao, T.Okajima, T.Ohsaka
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Superoxide Anion Scavenging Effect of Coumarins
The American Journal of Chinese Medicine, 1996The superoxide scavenging effects of fifteen coumarins were tested on the xanthine-xanthine oxidase-cytochrome C system. The results showed that fraxetin(10) displayed the strongest activity, and its percent inhibition at 100, 10 and 1 μM were 100, 100 and 53.13% respectively.
W S, Chang +3 more
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Superoxide anion: Oncogenic reactive oxygen species?
The International Journal of Biochemistry & Cell Biology, 2007Recent evidence linking intracellular reactive oxygen species to cell survival and/or proliferation signals has resulted in a paradigm shift from the age-old dogma implicating reactive oxygen species exclusively in cell damage and death. It is now accepted that reactive oxygen species play important roles in normal physiological states and that ...
Shazib, Pervaiz +1 more
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The superoxide anion in lymphocyte transformation
Immunology Letters, 1984This work suggests that reactive oxygen intermediates can stimulate lymphocytes mitogenically. Incubation of human peripheral blood lymphocytes in solutions of potassium superoxide induced high levels of uptake of tritiated thymidine as did activation of monocyte production of superoxide ions using zymosan-A.
R B, Gallagher, A S, Curtis
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Flavonoids are scavengers of superoxide anions
Journal of Ethnopharmacology, 1988Seven flavonoids and three non-flavonoid antioxidants, i.e. butylated hydroxyanisole, chlorpromazine and BW 755 C, were studied as potential scavengers of oxygen free radicals. Superoxide anions were generated enzymatically in a xanthine-xanthine oxidase system and non-enzymatically in a phenazine methosulphate-NADH system, and assayed by reduction of ...
J, Robak, R J, Gryglewski
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Detection strategies for superoxide anion: A review
Talanta, 2022Reactive oxygen species (ROS) play an essential role in regulating various physiological functions of living organisms. Superoxide anion (O2-.), one kind of ROS, is the single-electron reduction product of oxygen molecules, which mainly exists in plants and animals, and is closely related to many inflammatory diseases. In the field of biomedicine, with
Zhishun Jie +4 more
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Superoxide Anion Generation during Airway Anaphylaxis
International Archives of Allergy and Immunology, 1986Extracellular release of superoxide anion (O<sub>2</sub>) during in vitro anaphylaxis in guinea pig trachealis was found to exhibit both a time- and a concentration-dependent generation of O<sub>2</sub> Trachealis O<sub>2</sub> release was unaffected by treatment with diphenhydramine HC1 (10<sup>––</sup> ...
E B, Weiss, J R, Bellino
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