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934 articles for “oxidant”
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Thermodynamic, Kinetic and Mechanistic Investigations of Ruthenium(III) Catalyzed Methylparaben Oxidation by Diperiodatocuprate(III) in Aqueous Alkaline Medium
Abstract: The kinetics of ruthenium(III) catalyzed degradative oxidation of methylparaben by the copper complex, diperiodatocuprate(III) in alkaline medium is studied at 25ºC and at a ionic strength of 8.0 × 10−2 mol dm−3. In the presence of catalyst ruthenium(III), the reaction between methylparaben and diperiodatocuprate(III) in aqueous alkaline medium exhibits 1:1 stoichiometry. The oxidation products were identified by UV-visible, GC-MS and IR spectroscopy. The reaction exhibited unit order in case of …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 1, 2015 · pp. 4–17 Read article
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H2 Production by Methanol Steam Reforming over Copper Impregnated Anodized Aluminum Oxide (AAO)
Abstract: Hydrogen production by methanol steam reforming (MSR) is easy and simple as compared to other reforming methods using fossil fuels such as methane steam reforming. The catalysts for MSR are well developed and available commercially. When constructing a small or micro reformer, the catalyst often needs to be coated on the wall of the metal substrate. In this case, the bonding between the metal surface and the catalyst layer must …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 23–28 Read article
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Study the Mechanical Properties of Epoxy Resin Reinforced with Metal OxideNanoparticles
Abstract: In this research the additive effect of (Magnesium Oxide (MgO), Zirconium Oxide (ZrO2), Copper Oxide (CuO)) nanoparticles to epoxy resin as a matrix have been studied, in addition tomanufacturing hybrid composites from the same nanoparticles which are (CuO/ZrO2, MgO/ZrO2) to epoxy resin as a matrix too. The hand lay-up method is using to manufacturing the composites from the epoxy resin and the nanoparticles with different weight ratios((0, 3, 6, 9) …
Published in Journal of Polymer & Composites · Vol. 9, Issue 1, 2021 · pp. 7–12 Read article
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A Novel Development for Vapor Phase Alkylation of Aniline Processed with Clay, Oxides and Zeolite
Abstract: Vapour phase catalytic alkylation of aniline with ethanol is carried out over new catalysts including clay (attapulgite, and bentonite), metal oxides (Fe2O3 impregnated on attapulgite, and Fe2O3 + GeO2 supported on attapulgite) and zeolites (ZSM–5) in a down flow reactor. The reaction conditions viz temperature, molar ratio (aniline/ethanol) and catalyst lead to both C– and N–alkylation, with highest conversion of aniline to ethanol at 370°C temperature and 1:6 molar ratio …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 3, 2022 · pp. 1–8 Read article
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Effects of Sub Chronic Dermal Exposure of Gasoline Blended with Varying Concentration of Benzene on Hepatic Mixed Function Oxidases in Rats
Abstract: Interaction of chemicals in a mixture, their biotransformation and adverse impact, if any, on environment and workroom atmosphere needs to be evaluated to identify the nature of potential toxic effects elicited by constituent chemical(s) in a mixture. The nature of chemical interaction(s) through which an individual chemical in a mixture undergoes metabolism and/or biotransformation in the target tissue could be helpful in evaluation of its toxic potential. Gasoline is a …
Published in Research and Reviews: A Journal of Toxicology · Vol. 3, Issue 1, 2013 · pp. 1–5 Read article
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Biosynthesis of Magnetic Iron Oxide Nanoparticles Using Hibiscus as a Plant Source
Abstract: Green chemistry has significant role in improving and protecting the global environment and they are even competent over other conventional methods. This paper investigates the greener route to nanoparticles which were produced by coprecipitation technique using hibiscus leaf extract as a plant resource. This method has been proven cost effective, simple, economical, eco-friendly and non-hazardous. The formation and nature of synthesized magnetic iron oxide nanoparticles were characterized by UV–Vis spectroscopy, …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 1–9 Read article
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Simulation of Current Density of Oxide Layer Materials & Synthesis, Characterization of Nano Lanthanum Aluminate and Its Dielectric Analysis
Abstract: The complementary metal-oxide semiconductor (CMOS) technology is in an urge requirement of high dielectric material especially at nano level scaling to avoid quantum mechanical tunnelling and leakage current. Hence to optimize the device performance and to compare the conventional SiO2 oxide material with the selected novel high K material (LaAlO3), the SiO2 and LaAlO3 materials are atomically built in the Virtual Nano Lab – Quantum Wise version 12.8.0 software and …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 10–14 Read article
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Titrimetric and Spectrophotometric Assay of Diethylcarbamazine Citrate in Pharmaceuticals using Permanganate as Oxidant
Abstract: Two titrimetric and one spectrophotometric methods are described for the determination of diethylcarbamazine citrate in bulk drug and dosage forms using permanganate as an oxidimetric agent. In method A, the drug solution in H2SO4 is titrated directly at 800C to a pink end point. DEC was treated with a measured excess of standard permanganate in H2SO4 medium, and after a contact time of 5 min, the residual oxidant back titrated …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 7, Issue 3, 2016 · pp. 1–11 Read article
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Developing Molybdenum Doped Zinc Oxide Nanoparticles’ Sensors for Quality Assessment of Black Tea
Abstract: Zinc oxide is a well-established sensor material for detection of various organic molecules. In a quest of developing a sensor array for quality assessment of black tea, developing pure and molybdenum doped nanocrystalline ZnO-based sensors. The effect of changing the sintering duration and time has been studied. FESEM, EDS and XRD characterisations confirmed the formation of wurzite nanocrystals of approximately 20 nm. The 2% molybdenum doped ZnO (calcined at 500 …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 3, 2014 · pp. 32–38 Read article
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Investigation of Oxidation Behaviour of Plasma Sprayed Carbon Nanotubes-Alumina Coated ASME-SA213-T22 Boiler Tube Steel
Abstract: AbstractIn this research work, carbon nanotubes reinforced Al2O3 coated ASME-SA213-T22 boilertube steel was investigated for high temperature oxidation behaviour at 900ï‚°C temperature inthe air. The coatings were deposited using plasma spray technique and NiCr was used asbond coat before applying CNTs-Al2O3 coatings. The hot corrosion studies were conducted onuncoated as well as plasma spray coated specimens in air at 900°C under cyclic conditions.The thermogravimetric technique was used to establish kinetics …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 7, Issue 2, 2017 · pp. 10–22 Read article
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Synthesis of Nickel Oxide Nanoparticles by Foam Fractionation
Abstract: Nanoparticles of nickel oxide (NiO) have been prepared by foaming technique. Nickel nitrate hexahydrate as a source of nickel and cetyltrimethylammonium bromide (CTAB) as a surfactant were used for the synthesis of nickel oxide. Air flow rate of 0.3 lpm through sparger was controlled by rotameter. NiO is prepared by calcination of nickel hydroxide. The generated foam was collected from the sample outlet provided at the top of the glass …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 3, 2018 · pp. 44–48 Read article
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Synthesis and Characterization of Cadmium Doped Nickel Oxide Nanoparticles
Abstract: In present work, the authors have synthesized cadmium doped nickel oxide with diameter range 30.6 nm by the co-precipitation method. Properties of the nickel oxide have been tuned by doping of the cadmium at different concentration. Different characterization techniques i.e. XRD, FTIR, PL and UV- visible have used to study the properties of synthesised nanoparticles. The size of nanoparticle is characterized by XRD also UV visible spectrum shows that absorption …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 20, Issue 1, 2018 · pp. 35–41 Read article
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Nitric-oxide Scavenging Antioxidant Activity of the Different Extracts of Plumeria obtusa (Family:Apocynaceae)
Abstract: Plumeria obtusa (Family-Apocynaceae) has a long ethnomedicinal tradition of being used as a remedial agent in various diseases such as diarrhoea, piles, fever, gonorrhoea, antibacterial and antitumour agents etc. Antioxidant potential of the crude petroleum ether, chloroform and methanol extracts of the leaf and bark were evaluated by using nitric oxide scavenging assay. The extracts showed significant activities compared to ascorbic acid in a dose dependent mode. Moreover, the percentage …
Published in Research & Reviews : Journal of Herbal Science · Vol. 4, Issue 1, 2015 · pp. 58–62 Read article
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Comparative Study of Structural and Ionic Properties of Doped Zirconia Electrolytes for Solid Oxide Fuel Cells
Abstract: The current study looks at yttria and scandia doped zirconia electrolytes for application in solid oxide fuel cells. Samples with (i) 10 mol% yttria, (ii) 5 mol% yttria and 5 mol% scandia, and (iii) 10 mol% scandia in zirconia host lattice were prepared by mixed oxide method and were sintered by conventional heating at 1400°C for six hours. The samples were then analysed by X-ray diffraction (XRD) and scanning electron …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 2, 2018 · pp. 1–7 Read article
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In vitro and in vivo Anti-Oxidant and Anti-Diabetic Evaluation of cladodes Crude Extract and Solvent fractions of Opuntia elatior mill (Cactaceae)
Abstract: Objective: Ariel part of Opuntia elatior (Cactaceae) has been used in folklare remedies to treat diabetes in America, Mexico and India. However, the anti-diabetic potential of cladodes of this medicinal plant is not scientifically validated and authenticated. The present study aimed to evaluate in vitro and in vivo anti-oxidant and anti-diabetic potential of methanol extracts and solvent fractions of O. elatior cladodes. Methods: Phytochemical analysis performed according to standard procedure. …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 12, Issue 2, 2025 · pp. 77–88 Read article
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Zinc Oxide Nanoparticles from Murayya koenigii: Antibacterial Potential Review
Abstract: Nanoparticles (NPs) display unique characteristics in contrast to conventional physico-chemical synthesis methods, and they are utilized in various life science fields including surface coating, catalysis, food packaging, corrosion prevention, environmental cleanup, electronics, biomedical applications, and antimicrobial purposes. Metal NPs synthesized through green methods, particularly from plant origins, have garnered significant interest because of their inherent traits such as environmental friendliness, quick production, and cost efficiency. Over the past few years, …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 1, 2024 · pp. 54–67 Read article
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Synthesis and Functional Group Analysis of Solution Processed Zinc Oxide Thin Film Grown on Polyethylene Terephthalate
Abstract: Flexible electronics field is growing every day. Existing technology is facing issues like brittleness, toxicity, inadequacy. Fabrication cost increases in processing of such materials. In this work, zinc oxide nanoparticles synthesized by solution processing technique were used to grow 120nm thick thin film (TF) on Polyethylene terephthalate (PET). This method reduces the processing cost and Zinc Oxide (ZnO) is cheaper and abundant in comparison to other semiconductors option. Material was …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 56–66 Read article
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Characterization of Antibacterial and Biofilm Inhibition in Tin and Zinc Oxide Nanoparticle-Doped Orthodontic Composites
Abstract: Background: This study investigated the antibacterial effectiveness of orthodontic adhesive enhanced with stannous oxide (SnO₂) nanoparticles against Lactobacillus acidophilus and Streptococcus mutans, in comparison to traditional adhesives without nanoparticle infusion. Methods: A modified orthodontic adhesive was prepared by incorporating 1% w/w of tin dioxide and zinc oxide nanoparticles (SnO₂ + ZnO₂ NPs) into Transbond XT. This nanoparticle-enhanced composite was used to fabricate discs for assessing antibacterial activity against Lactobacillus acidophilus …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 230–239 Read article
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Exploration of Copper Oxide PVA/PEG Paraffin Polymer Composites for Enhanced Thermal Performance of Nano-Enhanced Phase Change Materials and Their Environmental Impact
Abstract: This study investigates the synthesis, characterization, and application of copper oxide (CuO) nanoparticles integrated into polymer-based paraffin wax composites for advanced thermal management applications. CuO nanoparticles were synthesized using a wet chemical approach and characterized through X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and dynamic light scattering (DLS), confirming their crystalline structure, morphology, and nanoscale size distribution. The synthesized nanoparticles were incorporated into polymer-supported phase change …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 156–173 Read article
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Synthesis of Zinc Oxide Nanoparticles Through Polymeric Precursor Route and their Integration into Functional Nanocomposites
Abstract: A polymer precursor approach for creating zinc oxide (ZnO) nanoparticles with regulated size and shape is described in this work. By stabilising and capping particles, the polymer-assisted pathway efficiently reduces particle agglomeration while facilitating controlled nucleation and growth. The surface shape and dispersion of the produced ZnO nanoparticles were assessed using the scanning electron microscopy (SEM). When compared to traditional synthesis techniques, the addition of polymer greatly enhanced surface homogeneity …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 883–890 Read article