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Kinetics of hydrogen peroxide generated from live and dead ram spermatozoa and the effects of catalase and oxidase substrates addition
reactive oxygen species ram antioxidant
2016/2/23
The generation of hydrogen peroxide (H2O2) by ram spermatozoa (spz) was measured using a flurometric assay with 10-acetyl-3,7-dihydroxyphenoxazine agent as a probe for H2O2 detection. The kinetics of ...
Heterogeneous Uptake of Hydrogen Peroxide on Mineral Oxides
Kinetics Hydrogen peroxide Heterogeneous uptake Atmospheric lifetime
2012/4/5
The interaction of mineral oxides (α-Al2O3, MgO, Fe2O3, and SiO2) with hydrogen peroxide was investigated using the Knudsen cell reactor. The initial reactive uptake coefficients for the commercially ...
Nano-Molar Level Hydrogen Peroxide Detection by Horseradish Peroxidase Adsorbed Cup-Stacked Carbon Nanotube Electrodes and Applications to L-Glutamate Detection
Nano-Molar Level Hydrogen Peroxide Detection by Horseradish Peroxidase Adsorbed Cup-Stacked Carbon Nanotube Electrodes and Applications to L-Glutamate Detection
2010/9/13
We have developed a simple fabrication method of a highly sensitive direct electron transfer-type electrochemical biosensor for hydrogen peroxide by use of cup-stacked carbon nanotubes (CSCNTs). The C...
Prussian Blue Electrodeposited on Nano Ag-coated Multiwalled Carbon Nanotubes Composite for the Determination of Hydrogen Peroxide
Prussian Blue Electrodeposited Nano Ag-coated Multiwalled Carbon Nanotubes Composite Hydrogen Peroxide
2010/9/17
A prussian blue (PB) electrodeposited on nano Ag-coated multiwalled carbon nanotubes (nano Ag-MWNTs) was reported. Also a PB/nano Ag-MWNTs composite modified glass carbon (GC) electrode was used to in...
Layer-by-layer Assembly of Prussian Blue and Carbon Nanotube Composites with Poly(diallyldimethylammonium chloride) for the Sensitive Detection of Hydrogen Peroxide
Layer-by-layer Assembly Prussian Blue Carbon Nanotube Composites Poly Hydrogen Peroxide
2010/9/20
Prussian blue (PB) was deposited on multi-walled carbon nanotubes (MWCNT) in an aqueous solution. Multi-layer composites of the MWCNT-PB hybride material were obtained by layer-by-layer assembly with...
Quercetin Glucosides are Hydrolyzed to Quercetin in Human Oral Cavity to Participate in Peroxidase-Dependent Scavenging of Hydrogen Peroxide
H2O2-scavenging oral cavity peroxidase in saliva
2009/6/18
It has been reported that consuming food which contains flavonols is related to the decrease in risks to arteriosclerosis and cancer. One objective of this study was to elucidate the metabolism of que...
Mechanisms and Structural Specificity of Hydrogen Peroxide Formation during Oxidation of Catechins
superoxide anion hydrogen peroxide catechin
2009/6/17
Hydrogen peroxide (H2O2) formed in aqueous solutions of tea catechins such as epicatechin (EC), epicatechin gallate (ECg), epigallocatechin (EGC), and epigallocatechin gallate (EGCg) was measured by a...
Effects of Extracts from Tropical Seaweeds on DPPH Radicals and Caco-2 Cells Treated with Hydrogen Peroxide
Seaweed ethanol extract acetone extract
2009/5/20
Edible seaweeds were collected from Indonesia, a tropical country that does not show seasonal variations in temperature, to evaluate their health-related activities. Ethanol and acetone extracts were ...
Production of Catalase-Peroxidase and Continuous Degradation of Hydrogen Peroxide by an Immobilised Alkalothermophilic Bacillus sp.
catalase-peroxidase Bacillus sp. bleaching
2009/3/19
Catalase-peroxidase (CP) production by a Bacillus sp. (Bacillus KF) newly isolated from a textile finishing effluent and by this strain immobilised on light expanded clay was studied. In cultivations ...
Influence of Growth Medium on Hydrogen Peroxide and Bacteriocin Production of Lactobacillus Strains
lactic acid bacteria hydrogen peroxide bacteriocin
2009/3/16
This study was conducted to investigate the inhibitory effect of bacteriocin and the production of hydrogen peroxide by four non-starter lactic acid bacteria, Lactobacillus plantarum 2142, Lactobacill...
Involvement of Hydrogen Peroxide Formation on Apoptosis Induction by Olive Oil Phenolic Compounds
olive oil phenols apoptosis hydrogen peroxide
2014/3/10
In the present investigation the ability of different phenolic compounds, either present or not in olive oil, to induce both apoptosis on tumour cells and H2O2 accumulation in cell culture medium was ...
Comparison of Newly Isolated Strains of Lactobacillus delbrueckii subsp. lactis for Hydrogen Peroxide Production at 5°C
Lactobacillus hydrogen peroxide
2008/4/1
Isolates of Lactobacillus delbrueckii subsp. lactis obtained from raw milk samples were compared for the ability to produce hydrogen peroxide (H2O2)at 5°C. Nineteen out of 101 lactobacilli isolated we...
Hydrogen Peroxide Production and Oxidation of Ferrous Iron by Lactobacillus delbrueckii ssp. bulgaricus
iron hydrogen peroxide Lactobacillus delbrueckii ssp. bulgaricus
2008/3/25
Hydrogen peroxide was produced by Lactobacillus delbrueckii ssp. bulgaricus ATCC 11842 only in the presence of glucose at pH 6.5 and 5.0 in the presence of air. Production of H2O2 was minimal followin...
Direct Iodination of Aromatic Compounds with Polyvinylpyrrolidone Supported Hydrogen Peroxide (PVP-H2O2) and Potassium Iodide or Molecular Iodine
iodinated aromatic compounds iodination hydrogen peroxide supported reagents
2007/12/19
摘要 Hydrogen peroxide was supported on polyvinylpyrrolidone to afford a stable and mild oxidizing reagent. Activated aromatic compounds were reacted with PVP-H2O2 in the presence of KI or I2 and a cata...
Selective Oxidation of Thiols to Disulfides Catalyzed by Iron(III) -- Tetra Phenyl Porphyrin Using Urea-Hydrogen Peroxide as Oxidizing Reagent
Thiols Fe (TPP) Cl Urea hydrogen peroxide disulfides
2010/4/20
Oxidation of thiols to disulfides catalyzed by iron(III) -- tetra phenyl prophyrin Fe (TPP)Cl was investigated using urea-hydrogen peroxide adduct (UHP) as an oxidant in methanol as a solvent.