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Showing 1 to 20 of 37 for “"Oxidizing agent"”.
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An investigation of the oxidative cleavage of the double bond
… and also, in the presence of a chemical oxidizing agent. The results from the runs, with and without a catalyst, were poor in that no split of the double bond took place, but in most cases more favorable results were obtained in the presence of catalysts. The results were positive in the …
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A Kinetic Study of the Oxidation of the 2, 3, and 4 Pyridine Aldehydes by Cobalt (III) Perchlorate in Aqueous Solution.
… perchlorate has been shown to be a powerful oxidizing agent and kinetic investigations of the mechanism of oxidation of many organic compounds including organic acids have been performed.
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Electrochemical vapor deposition of yttria stabilized zirconia on porous graphite substrates
… electrochemical vapor deposition using CO as the oxidizing agent. Five experimental variables, deposition temperature, deposition time, gas flow rate, anode H$\sb2$/Ar ratio, and substrate porosity were varied to investigate their effect on EVD process.
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Selective removal of NOx from catalytic cracking regenerator effluent using wet scrubbing with aqueous sodium chlorite solutions
… a wet scrubbing system with the addition of an oxidizing agent (sodium chlorite). A series of experiments were conducted in a bench-scale packed bed, a bench-scale ejector Venturi scrubber, and a pilot-scale packed bed. Various operating parameters such as gas flow rate, liquid flow rate, pH, …
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Two versatile cofactors, flavin adenine dinucleotide and non-heme iron, involved in DNA repair and natural product halogenation
… iron, together with molecular oxygen as an oxidizing agent, perform a wide array of reactions. Hydroxylation in DNA repair is one example. AidB is an adaptive response protein that is up-regulated in the presence of alkylating agents. AidB contains FAD; however, the precise role of the FAD …
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New applications for surfactant based colloidal systems: an experimental and computational approach
… anions using benzoyl peroxide (BPO) as the oxidizing agent in water (Chapter 2). The method presented here is safe and cost effective compared to other conventional methods that use metal catalysts or organic solvents for bromine generation. As an illustration, in situ generated bromine has …
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The study and optimization of the Enzyme Inhibition Bioassay 96 for the detection of organophosphate and carbamate compounds
… project was directed at determining the optimum oxidizing agent for use in the assay and then, to determine the oxidation products for the pesticide compounds used. (Abstract shortened by UMI.).
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Photoaffinity labeling the nucleotide sites of the sarcoplasmic reticulum Ca²⁺-ATPase
… 8N₃-nucleotide with TNBS. Inclusion of the oxidizing agent, DTNB, in the final reaction was found to be necessary to prevent reduction of the azido group by the released sulfite anion and also elevated the yield of trinitrophenylation to about 80%. Purity was determined …
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Síntese de (±)-licarina a biocatalisada por peroxidase de cocos nucifera.
… which takes places through the action of an oxidizing agent. One of the met hods is the use of enzymes (peroxidases), in this paper coconut water ( Cocos nucifera ) was used as reaction pathway and source of peroxidase. T he Reaction described was prepar ed by the filtration of coconut water …
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Experimental and DFT study on selective oxidation of 5-Hydroxymethyl furfural over cadmium sulfide catalyst
… the effect of different solvents, different oxidizing agents, different catalysts for HMF oxidation is investigated. CdS catalysts show excellent selectivity towards oxidation of HMF into FFCA in presence of DMSO and TBHP oxidizing agent. Binding energy of HMF on CdS surface is calculated for …
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Development of Biolubricants from Vegetable Oils for Non-Internal Combustion Engine Applications
… using tert-butyl hydroperoxide (TBHP) as an oxidizing agent in the presence of a heterogeneous catalyst. The conversion, selectivity, oxirane oxygen content (OOC), and iodine value of the final epoxidized canola oil trimethylolpropane (ECOTMP) ester was 95.2%, 98.62%, 4.12%, and 3.4 mg I2/g, …
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Polianilino ir pilipirolo, aukso nanodalelių bei įvairių elektronų pernašos tarpininkų taikymas gliukozės biologiniuose jutikliuose /
… enzyme - catalyzed reaction that formed a strong oxidizing agent hydrogen peroxide and gluconic acid which allows the initiation of polymerization reaction process. Adapted polymer synthesis method demonstrated the possibility of polyaniline and polypyrrole layer to cover the glucose oxidase …
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Polianilino ir polipirolo, aukso nanodalelių bei įvairių elektronų pernašos tarpininkų taikymas gliukozės biologiniuose jutikliuose /
… enzyme - catalyzed reaction that formed a strong oxidizing agent hydrogen peroxide and gluconic acid which allows the initiation of polymerization reaction process. Adapted polymer synthesis method demonstrated the possibility of polyaniline and polypyrrole layer to cover the glucose oxidase …
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Atomic layer deposition of binary and ternary lead and bismuth oxide thin films
… deposition of bismuth silicate. With ozone as oxidizing agent, ALD-window for Bi-Si-O thin film growth was found at 250-350 °C. The Si to Bi atomic ratio in this region was about 2. Addition of a second bismuth precursor, BiPh3, increased the bismuth content. Combination of the BiPh3/O3 process …
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Layered Double Hydroxides: Synthesis, Characterization, and Interaction of Mg-Al Systems with Intercalated Tetracyanonickelate(II)
… An additional synthesis using a halogen as an oxidizing agent also failed to produce material of any characterizable quality.
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Photochemical and computational study of sulfoxides, sulfenic esters, and sulfinyl radicals
… oxidations. It is suggested that the active oxidizing agent may be atomic oxygen O(3P) or a closely related noncovalent complex, based on the nature of the oxidation chemistry, comparison to known rate constants for O(3P) reactivity, and the quantum yield data;A computational study on the …
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Thermodynamics and electrochemistry of the chalcocite-potassium ethyl xanthate system
… are found to be dependent on the sequence of reagent additions. When xanthate is added after the addition of a reducing or oxidizing agent to control the potential, they are in reasonable agreement with predicted values. When the collector is added prior to the potential control, however, the …
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Identification and Characterization of Genes Involved in Regulation of Ascorbate Metabolic Pathway(s) in Arabidopsis thaliana
… lines were treated with ozone, which is a power oxidizing agent. Two mutants were selected for identification of potential genes involved in the regulation of vitamin C synthesis. A putative F-box gene, VCF1, and a purple acid phosphatase, AtPAP15, were identified for further characterization. …
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