radical generation
Hydroxyl Radical Generation in Oxygen-treated Infants
... oxygen-treated infants did not experience birth as- phyxia, yet had elevated urinary o -tyrosine levels in the first days of life, it does not appear that free radical generation during hypoxia-reperfusion ...
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Spontaneous oxygen radical generation by sickle erythrocytes
... hydroxyl radical by normal and sickle erythrocytes using assays involving reduction of cytochrome c, aminotriazole inhibition of catalase, and methane evolution from dimethyl sulfoxide, ...hydroxyl radical. ...
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Nanoscale hydroxyl radical generation from multiphoton ionization of tryptophan
... (32). The low cross section may be compensated by the relatively high intracellular concentration of the tryptophan chromophore and such photodamage may be a major pathway contributing to the observed damage to cells ...
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Evidence for hydroxyl radical generation by human Monocytes
... hydroxyl radical, singlet oxygen, and other potentially reactive ...ethylene generation from methional, cell preparations of human monocytes were demonstrated to generate hydroxyl radical or a ...
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ACHILLEA SANTOLINA REDUCED OXIDATIVE STRESS IN THE LIVER OF STREPTOZOTOCIN-INDUCED DIABETIC RATS
... free radical generation, in the liver was significantly decreased (by 82%) upon treatment with the extract, whereas diabetic rats showed enhanced levels of lipid ...
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In vitro antioxidant effects of barberry fruit extracts
... hydroxyl radical is a damage compound of biochemical molecules such as DNA, proteins and ...hydroxyl radical are not adequately removed from the body, it may damage biological macromolecules, leading to a ...
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Hyperoxic sheep pulmonary microvascular endothelial cells generate free radicals via mitochondrial electron transport
... paramagnetic resonance (EPR) spectroscopy and the spin trap 5,5-dimethyl-1-pyrroline-N- oxide (DMPO). Studies were performed to determine the radical species produced, whether mitochondrial electron transport was ...
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IN VITRO FREE RADICAL SCAVENGING POTENTIAL OF TRADITIONAL SIDDHA FORMULATION SERAANKOTTAI NEI BY DPPH, NO, ABTS AND HYDROGEN PEROXIDE RADICAL SCAVENGING ASSAY
... Oxidative stress is an imbalance between the production of ROS and the defense systems to readily detoxify them. [11] In human, oxidative damage and free radicals are associated with a number of diseases including ...
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Relationship between production of hydroxyl radicals and degradation of wood, crystalline cellulose, and a lignin-related compound or accumulation of oxalic acid in cultures of brown-rot fungi
... droxyl radical production and the accumulation of oxalic acid in the cultures were also ...hydroxyl radical. The rates of hydroxyl radical generation in cultures of the four fungi were ...
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Cell cycle inhibition preserves endothelial function in genetically engineered rabbit vein grafts
... superoxide radical generation, vascular cell ad- hesion molecule-1 (VCAM-1) expression, and monocyte binding activity in grafts in both normal and hypercholes- terolemic ...
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Abstract
... free radical generation in the body, and vitamin E may play an important role in preventing the free radical and DNA damage associated with endurance ...free radical involvement in ...
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Free Radical Scavenging Activity of Aqueous Extract of Sphaeranthus Indicus (Linn).
... the radical cation ABTS ...direct generation of ABTS radical mono cation with no involvement of any intermediary ...the radical cation is performed prior to addition of antioxidant test ...
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NITRIC OXIDE: ROLE IN HUMAN BIOLOGY
... enhanced generation of NO from macrophages, kupffer cells and NK cells ultimately leading to inhibition of replication, which further evidenced its antitumor effect at the target ...
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Modification of banana stem fibers for efficient mercury (II) adsorption
... However, as the best to our knowledge, detailed studies on introduction of amine functional groups onto banana stem fibers via radiation method as well as their subsequent application to Hg(II) adsorption is still ...
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Evidence suggesting a role for hydroxyl radical in gentamicin induced acute renal failure in rats
... hydroxyl radical scavenger, 125 mg/kg, ...hydroxyl radical scavengers (dimethyl sulfoxide or sodium benzoate) and a second iron chelator (2,3,dihydroxybenzoic acid) had a similar protective effect on renal ...
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Generation of free radical intermediates from foreign compounds by neutrophil derived oxidants
... These radical intermediates were demonstrated by visible light spectroscopy and by direct electron spin resonance (for the chlorpromazine and aminopyrine radicals) or by spin- trapping (for the phenyl ...
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Iron(III) Mediated AGET ATRP of Methyl Methacrylate in the Absence of Additional Ligand
... Living Radical Polymerization of Styrene; In Situ Gen- eration of Cu(I) Species via Electron Transfer Reaction,” Journal of Polymer Science Part A: Polymer Chemistry, ...
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ANTIOXIDANT AND ANTICOAGULANT ACTIVITY OF NOVEL N- SUBSTITUTED 4 METHYL 5,7 DI HYDROXYL COUMARIN AND ITS ESTER DERIVATIVES
... The free radical scavenging capacity of the test drugs were determined using DPPH. DPPH solution (0.004% w/v) was prepared in 95% methanol. Test drugs weremixed with95% methanol to prepare the stock solution (5 ...
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1,2,5 Selenadiazolo[3,4 b]pyrazines : synthesis from 3,4 Diamino 1,2,5 selenadiazole and Generation of Persistent Radical Anions
... We anticipate that the stability of the RAs [5c] – and [5g] – under the CV conditions will lead to the eventual isolation of [1,2,5]selenadiazolo[3,4-b]pyrazinidyls in the form of salts after their chemical ...
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Evaluation of In -vitro Antioxidant Activity of Methanolic Extract of Eclipta albaleaves.
... It was measured by studying the competition between deoxyribose and test extract for hydroxyl radical generated by Fenton's reaction. The reaction mixture contained deoxy ribose (2.8mm), FeCl3 (0.1mm), EDTA ...
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