hydroxyl radical
Hydroxyl Radical Generation in Oxygen-treated Infants
... trast, hydroxyl radical attack may well be the pri- mary mechanism of injury responsible for chronic complications such as bronchopulmonary dysplasia experienced by infants receiving long-term oxygen ...
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Phenylalanine as a hydroxyl radical-specific probe in pyrite slurries
... hydroxyl radical ( . OH) in slurries of oxygenated water. Understanding the formation and fate of these reactive oxygen species is important to biological and ecological systems as exposure can lead to ...
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Nanoscale hydroxyl radical generation from multiphoton ionization of tryptophan
... and hydroxyl radical formation from water and subsequent hydroxylation of tryptophan to 5HTrp ...for hydroxyl radical formation from 2-photon excitation of the “photoFenton” reagent ...
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Evidence for hydroxyl radical generation by human Monocytes
... generate hydroxyl radical, singlet oxygen, and other potentially reactive ...generate hydroxyl radical or a similar agent during phagocytosis of zymosan ...be hydroxyl radical ...
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Evidence for hydroxyl radical production by human neutrophils
... oxidizing radical, possibly OH-, which releases ethylene from methional, and that the O2-generated during the respiratory burst is involved in the production of this reactive ...
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... radical absorbance capacity (ORAC). Peroxyl and hydroxyl radical generators were used in the analysis. All ORAC analysis were carried out on the Perkin-Elmer spectrofl uorometer LS with fl uorescent ...
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IN VITRO ANTIOXIDANT AND ANTI INFLAMMATORY PROFILES OF BIOACTIVE FRACTION FROM OPILIA CELTIDIFOLIA (GUILL & PERR ) ENDL EX WALP (OPILIACEAE)
... free radical chain culminating in donating a hydrogen ...The hydroxyl radical scavenging activity of leaves fraction was effectual than other ...of hydroxyl radicals which is very toxic to the ...
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In Vitro Antioxidant Activity and Phytochemical Screening of Ethanolic Extract of Tabernaemontana Coronaria (L.)
... DPPH radical scavenging activity was adopted from those previously described with slight modifications [11] ...The hydroxyl radical scavenging activity was measured according to the method Klein et ...
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In-Vitro Antioxidant Activity of Leaf Extract of Aerva Lanata Linn.
... peroxide, hydroxyl radical and singlet oxygen, which induce oxidative damage in lipids, proteins, and DNA ...superoxide radical is one of the most important ways of clarifying the mechanism of ...
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Antioxidant Potential of Indigofera Linnaei Ali. an In Vitro Study.
... ABTS radical cation, DPPH free radical, hydrogen peroxide, nitric oxide, superoxide radical and hydroxyl ...free radical scavenging activities of the extract were comparable to standard ...
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REACTIVE OXYGEN AND NITROGEN SPECIES SCAVENGING ACTIVITY OF APLOTAXIS AURICULATA RHIZOMES
... oxide radical scavenging, oxygen radical scavenging such as DPPH scavenging, superoxide anion radical scavenging, total antioxidant, hydroxyl radical, nitric oxide scavenging and metal ...
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Antioxidant Activities of Extracts Obtained by Different Fractionation from Tricholoma Giganteum Basidiocarps
... The purpose of this study was to elucidate the antioxidant capacities of Tricholoma giganteum. Three fractions from the mushroom were evaluated for antioxidant activity against hydroxyl radical, superoxide ...
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PHYTOCHEMICAL ANALYSIS AND IN VITRO ANTIOXIDANT ACTIVITY OF RUBUS APETALUS POIR. (ROSACEAE)
... antioxidant activity of leaf extract of R. apetalus. Extraction of powdered leaf material was carried out by maceration process using water. Preliminary phytochemical analysis was carried out by standard tests. In vitro ...
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Antioxidant Activity of Indian Medicinal Rice (Oryza Sativa L.) cv. Njavara
... A study was conducted to assess the antioxidant activity of medicinal rice (Oryza Sativa L.) cv. Njavara and the results revealed that among the three rice varieties selected NY had the highest DPPH activity and ...
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IN VITRO ANTIOXIDANT SCREENING OF BIO ACTIVE FRACTION OF SEEDS OF STRYCHNOS POTATORUM LINN
... free radical scavenging assay, nitric oxide radical scavenging assay, superoxide radical scavenging assay, hydroxyl radical scavenging assay and inhibition of peroxide formation method, ...
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Phytochemical screening and antioxidant activity of Dillenia bracteata
... was generated by mixing 300 mM sodium acetate buffer (pH 3.6), 10.0 mM (tripyridyl triazine) tripyridyltriazine (TPTZ) solution, and 20.0 mM ferric chloride (FeCl 3 ).6H 2 O solution in a ratio of 10:1:1 in volume. ...
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COMPARATIVE STUDY ON ANTIOXIDANT ACTIVITY OF ESSENTIAL OILS FROM POGOSTEMON BENGHALENSIS (BURM F ) KUNTZE AND P CABLIN (BLANCO) BENTH
... essential oils from both the plant species reveals its potency as natural free radical scavengers. The minimum and maximum values of inhibition ranged from 39.4 to 89.3% for the oil from P. benghalensis and 37.3 ...
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Plasma Electrolysis of Dinitrophenol in Gas Liquid Boundary and Interpretation Using Molecular Orbital Theory
... One of merits of the present multi-gas dielectric barrier discharge is the com- parison of the discharge characteristics in air and pure oxygen. Various reactive species are generated in the discharge region and the ...
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Structure identification and antioxidant activity of a novel triple helical polysaccharide isolated from Dictyophora indusiata
... Hydroxyl radical scavenging activity: Hydroxyl radical scavenging activity was assayed using salicylic method ...[20]. Hydroxyl radical was formed by Fenton ...
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Antioxidant and Antimicrobial Activities of Four Characteristic Honey Samples Produced in West Bengal (India)
... ABTS radical decolorization assay, DPPH radical decolorization assay, assay for total phenolis content, FRAP assay, hydroxyl radical scavenging assay and assay for inhibition of lipid ...
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