Ferrous Ion
A Mild and Green Route for Regio-selective Amination of Oxiranes Using Nanomagnetic Supported Ferrous Ion as a Solid Lewis Acid Catalyst in Water
... Mansouri F, Sheykhan M, Heydari A. A Mild and Green Route for Regio-selective Amination of Oxiranes Using Nanomagnetic Supported Ferrous Ion as a Solid Lewis Acid Catalyst in Water. Nanochem Res, 2016; ...
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Using Ferrous Ion for the Reductive Degradation of Hexavalent Chromium
... A plot of ln ( M − Xa ) ( M 1 Xa ( − ) ) against time was used to analyze the reaction kinetics and the second- order rate constant. The graph shown in Figure 4, presents a linear correlation as the R 2 value ...
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Elucidating the role of ferrous ion cocatalyst in enhancing dilute acid pretreatment of lignocellulosic biomass
... metal ion/D-glucose complexes ...2+ ion-pretreated FP were broader than the bands in the spectra of dilute acid alone- or ferrous ion alone-pretreated bands, suggesting that the former contain ...
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Studies on the adsorption of ferrous ion from aqueous solution by low cost carbon
... metal ion, pH, other ions, temperature and contact time were studied for the adsorption of ferrous ions on to acid activated carbon prepared from Albizia lebbeck ...that ferrous ion onto ...
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Ferrous Ion Catalyzed Photooxidation of Methylene Blue with Peroxydisulphate Ion
... of ferrous ions, concentration of methylene blue, pH, and concentration of peroxydisulphate ion and light intensity on the rate of reaction was also ...
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Interaction mechanisms and kinetics of ferrous ion and hexagonal birnessite in aqueous systems
... of ferrous ions and the formation of ferric oxides [6, 13, ...of ferrous sulfides and others [6, ...of ferrous ions and manganese oxides, par- ticularly ...
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A Mössbauer study of ferrous silicates
... the ferrous ion on the M(l) ...the ferrous in the M(l) site, in the MfcJssbauer spectrum of fayalite at ...the ferrous ion in two different types of M(l) site, then they must have very ...
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Effects of ferrous toxicity on seedling traits and ion distribution pattern in upland and low land rice under hydroponic conditions
... of ferrous ion in low pH under aerobic ...of ferrous stress on seedling traits, distribution of ferrous, potassium ions in two upland rice and three lowland rice ...under ferrous stress ...
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Evaluation of antioxidative activity of ethanolic extract from Russula delica: An in vitro study
... In the current study, ethanolic extract of R. delica (EfraRud) have been evaluated for their antioxidant capacities on the basis of various antioxidant assays. The extract showed admirable superoxide radical scavenging ...
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Investigating the Effect of Aging and Time on the Fate and Transport of Lead in Artificially Contaminated Tropical soils
... In contrast to the previously described mechanisms, neither the substrate nor the pterin co- substrate chelates the iron center during oxygen activation for this group of enzymes. Binding of the pterin co-substrate in ...
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Novel Spectrophotometric Methods for The Determination of Phenolic B-Lactam Antibiotic (Cefprozil) in Bulk and Dosage Forms
... ferric ion was reduced by phenolic OH group of the drug to ferrous ion, which reacts with 1, 10-phenanthroline and forms ferrion complex (Scheme 1 ) which exhibiting λ max at 500 ...
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ANTIOXIDANT ACTIVITIES OF METHANOLIC EXTRACTS FROM TEN PLEUROTUS SPECIES
... on ferrous ions increased with increased concentration except ...of ferrous and ferrozine complex, suggesting their ability of chelating ...of ferrous ion were highest in EDTA of ...
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Isolation of Acidic Mucilage from the Outer Seed Coat of Shaddock (Citrus grandis Osbeck) and Evaluation of Its Functional Properties
... however, ferrous, not ferric, is the most powerful pro-oxidant among the various species of metal ions and is able to generate free radicals from peroxides by the Fenton reaction to catalyze oxidative changes in ...
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The role of iron in the pathogenesis of porphyria cutanea tarda II Inhibition of uroporphyrinogen decarboxylase
... experiments were designed to study the effect of iron on uroporphyrinogen decarboxylase in procine crude liver extracts. Mitochondria-free crude liver extracts were preincubated with ferrous ion and ...
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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 radical, DPPH ...
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miR-212-5p attenuates ferroptotic neuronal death after traumatic brain injury by targeting Ptgs2
... and ferrous ion, and the expression of ferroptosis-related molecules at 6 h, 12 h, 24 h, 48 h and 72 h following controlled cortical impact (CCI) in ...and ferrous ion were increased whereas ...
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SPECTROPHOTOMETRIC DETERMINATION OF ETODOLAC USING CHARGE TRANSFER COMPLEX
... ferric ion Fe 3+ to form the corresponding ferrous ion Fe 2+ and subsequent reaction with potassium hexacyano- ferrate to form a colored compound that is absorbed in 700 ...
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The Role of Iron in the Pathogenesis of Porphyria Cutanea Tarda: AN IN VITRO MODEL
... of ferrous ion (either from ferritin iron [4 µg/ml] and cysteine ...or ferrous ammonium sulfate ...of ferrous ion was uroporphyrin I ...
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Antioxidant and Antihemolytic Activities of Crucianella Sintenisii
... of ferrous ions by the extract was estimated by the method of ebrahimzadeh et ...of ferrous and ferrozine complex, suggesting that it has chelating activity and captures ferrous ion before ...
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Antioxidant Activities of Peptide Fractions Derived from Freshwater Mussel Protein Using Ultrasound-Assisted Enzymatic Hydrolysis
... Ferrous ion chelating activity. As shown in Figure 4E, both < 3 kDa and F 2 fractions were highly effective at chelating ferrous ion; chelating activity was 88.6% for the < 3 kDa ...
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