H2O2, hydrogen peroxide
Hydrogen peroxide (H2O2) induces leukemic but not normal hematopoietic cell death in a dose-dependent manner
... Herein we compared the effects of H2O2 on the total and primitive subsets of hematopoietic cells from different sources (mouse bone marrow, human cord blood and leukemic HL-60 cells).. M[r] ...
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Assessing DNA Damage in Hemocytes of the Freshwater Mussel Elliptio complanata with the Comet Assay
... freshwater mussel hemolymph……….… Overall mean of the genotoxicity (olive tail moment; OTM) of the in vitro controls and positive control, hydrogen peroxide (H2O2), in freshwater musse[r] ...
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Identification and characterisation of vaginal lactobacilli from South African women
... Since some of the previous studies have shown that the lack of vaginal hydrogen peroxide H2O2 producing lactobacilli is associated with bacterial vaginosis, the Lactobacillus isolates we[r] ...
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Synthesis of azelaic acid from oleic acid with green oxidant H2O2 / H2WO4
... substrate works specifically and efficiently in the oxidative-solving reaction of oleic acid in the synthesis of azelaic acid. Hydrogen peroxide is a powerful oxidizer with an active oxygen amount of 47% ...
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Hydrogen Peroxide Sensing Based on Inner Surfaces Modification of Solid State Nanopore
... The effect of the immobilized HRPs enzymes in a single solid-state nanopore as a hydrogen peroxide H2O2 sensor was affirmed by investigating products ABTS•+ of the redox reactions occurr[r] ...
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Regulation of Brucella abortus catalase as a defensive mechanism against oxidative stress
... abortus is regulated at the transcriptional level in response to external hydrogen peroxide, and a catalase deletion mutant is more susceptible than wild type to external H2O2... 1 Prima[r] ...
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PHYTOCHEMICAL ANALYSIS AND ANTIOXIDANT ACTIVITIES OF ETHANOLIC LEAF EXTRACT OF BRILLANTAISIA PATULA
... The absorbance was read at 230 nm and the percentage inhibition of hydrogen peroxide was calculated as: H2O2 scavenging activity % = [Abs control – Abs sample] / Abs control ×100 .Where [r] ...
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Review Article Nuclear transport oxidative stress and neurodegeneration
... In response to a high-degree of oxidative stress induced by diethyl maleate DEM 5mM, 4hrs or hydrogen peroxide H2O2 20mM, 1hr, there is a breakdown of the nuclear envelope in HeLa cells [r] ...
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Biochemical requirements for singlet oxygen production by purified human myeloperoxidase
... (MPO)-hydrogen peroxide (H2O2)-halide systems were found to produce chemiluminescence at 1,268 nm, a characteristic emission band for singlet oxygen ...MPO- H2O2-bromide (Br-) system produced ...
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Recent advances in hydrogen peroxide imaging for biological applications
... 77. Bilan DS, Pase L, Joosen L, Gorokhovatsky AY, Ermakova YG, Gadella TWJ, Grabher C, Schultz C, Lukyanov S, Belousov VV: HyPer-3: a genetically encoded H2O2 probe with improved performance for ratiometric and ...
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Antimutagenic and DNA Damage Protective Activities of a Grape Extract from Vitis vinifera
... The above findings led us to investigate the antimutagenic and DNA protective abilities of the grape extract VinOserae from Vitis vinifera applicable as a promising supplement with effective biological potential. In this ...
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Salicylic Acid-Mediated Alleviation of Cadmium Toxicity in Maize Leaves
... Abstract: The present study was carried out to investigate the effects of salicylic acid (SA) pretreatment on the activities of antioxidant enzymes and some biochemical attributes in maize (Zea mays L.) seedling leaves ...
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Fabrication of TiN nanostructure as a hydrogen peroxide sensor by oblique angle deposition
... Nanostructured electrodes have stimulated great interests due to their potential applications in the areas of online real-time analysis and sensitive detection [1,2]. To meet the demand in those applications, electrodes ...
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Selenium and hydrogen selenide: essential micronutrient and the fourth gasotransmitter?
... that hydrogen selenide but not selenite was effective in mitigating reperfusion injury, thus suggesting the oxi- dation status of the therapy does impact upon its ...
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Oxidative Desulfurization of kerosene in the presence of iron chlorideionic liquid catalyst and ultrasound waves
... - hydrogen peroxide and ultra sonic liquid catalysts in the presence of acetic acid - formic acid and an oxidizing hydrogen peroxide has been ...acid- hydrogen peroxide in ...
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QUANTITATIVE ANALYSIS AND IN VITRO FREE RADICAL SCAVENGING ACTIVITY OF CAYRATIA TRIFOLIA (L )
... Free radicals are incessantly produced in the human body, as they are essential for energy supply, detoxification, chemical signaling and immune function [1] . These free radicals are usually produced through aerobic ...
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BIOLOGICAL SCREENING (IN VITRO) OF SOME 2, 5 DISUBSTITUTED OXADIAZOLE DERIVATIVES
... A series of novel 2,5-disubstituted 1,3,4-oxadiazole derivativeswere synthesized by convergent synthesis using various aromatic aldehydes. The structures of synthesized compounds have been elucidated by spectral studies ...
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Rhodium and Its Compounds in Amperometric Biosensors Based on Redox Enzymes
... In construction of amperometric biosensors, the choice of mediators plays a very important role. Among the mediators that may lower the oxidation overpotential, numerous metal complexes, such as of iridium [2], rhodium ...
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SYNERGISTIC EFFECT OF ANTI OXIDANT ACTIVITY OF EXTRACT OF ACHYRANTHES ASPERA & CALOTROPIS GIGANTEAN LEAF
... Vitamin C plays a vital role in human beings. Other name of vitamin C is ascorbic acid and its mechanism at the cellular level is not yet clear. Vitamin C is necessary for the synthesis of collagen and protein play the ...
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Experimental Study On The Effect Of Intake Air Temperature On The Performance Of Spark Ignition Engine Fueled With Hydrogen Peroxide Blended With Gasoline
... engine, hydrogen is blended into this petrol engine. The type of hydrogen that will be tested in this experiment is hydrogen ...This hydrogen peroxide will be blended with the ...
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