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934 articles for “oxides”
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Catalytic Trends of OsO4 for the Taurine-Bromamine-T Redox System: Kinetic and Mechanistic Chemistry of Catalyzed and Uncatalyzed Reactions
Abstract: Taurine (2-ethane aminosulfonic acid) facilitates as a building block for protein synthesis, also possessing various other vital biological functions. Literature survey revealed that there was no report available on the oxidation of taurine with any oxidants from its kinetic, mechanistic and catalytic aspects. A detailed comparative mechanistic study of its Os(VIII) catalyzed and uncatalyzed oxidation kinetics by bromamine-T (BAT) in NaOH medium at 313 K revealed the rate law to …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 5–19 Read article
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Synthesis of Copper Oxide Nanoparticles using Ultrasound for the Treatment of Textile Organic Dyes (Reactive Black 5 and Basic Blue 3)
Abstract: This paper describes the ultrasound assisted synthesis of copper oxide (CuO) nanoparticles using copper nitrate trihydrate and ammonium carbonate as reactants. The resultant product, copper carbonate was calcined at 400°C which was chosen based on the thermogravimetric analysis of copper carbonate precipitate. The final product CuO nanoparticles characterized by X-Ray diffraction (XRD), scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDAX), particle size analyzer (PSA) and Brunner-Emmet-Teller surface area analyzer (BET) …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 3, 2015 · pp. 16–22 Read article
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Alcohol Oxidation in Ionic Liquids Catalysed by Recyclable Platinum Nanoparticles: A Green Approach
Abstract: The effect of particle size on the catalytic performance of materials in organic reactions is of scientific and industrial importance. In the present case we demonstrate the use of room temperature ionic liquids as effective agents of dispersion of platinum nanoparticles prepared from potassium tetrachloroplatinate. The platinum nanoparticles in the range 2.5±0.5 nm are recyclable catalysts for aerobic oxidation of alcohols under mild conditions. The particles suspended in ionic liquids …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 15–22 Read article
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Metal Oxide Based Thin Film Transistors for Transparent and Flexible Electronics: Critical Review
Abstract: AbstractTransparent and flexible electronics is new emerging research area. Various technologies are available for thin film transistors (TFT). Metal oxide semiconductors are suitable because of their high optical transparency, good electrical performance etc. These devices have advantages of a-Si and organic materials also. Advantages of these devices are low cost, low process complexity and temperature, and large-area scalability and large carrier mobility. In this paper research work is compared. This …
Published in Journal of Electronic Design Technology · Vol. 9, Issue 1, 2018 · pp. 30–40 Read article
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Photoluminescent Reduced Graphene Oxide (rGO)–ZnO Nanocomposites Prepared Through one-pot Solvothermal Route
Abstract: In the present article, we report solvothermal synthesis of reduced graphene oxide (rGO)–ZnO nanocomposites through in situ exfoliations of graphite oxide with two different zinc-containing precursors viz. Zinc acetate dihydrate and zinc(II) acetylacetonate in water-diethylene glycol medium with hexamethylenetetramine as a reducing agent. The obtained rGO–ZnO nanocomposites were characterized by X-ray diffraction, and the ZnO lattice parameters were calculated. Raman spectroscopy indicated the presence of characteristic bands of graphene and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 70–80 Read article
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Aluminum Oxide Nanoparticle-Adjuvanted Pasteurella multocida B:2 Vaccine is Potent and Efficacious and is Able with Keyhole Limpet Hemocyanin as a Marker to Differentiate Infected from Vaccinated Animals (DIVA)
Abstract: Pasteurella multocida B:2 causes hemorrhagic septicemia (HS) in bovines in Asia. For effective implementation of HS control program in India, a safe and efficacious vaccine to provide long lasting protection and allow differentiation of infected from vaccinated animals (DIVA) has to be developed. The objectives of the present study were to develop HS-DIVA vaccine with a companion immunodiagnostic test using keyhole limpet hemocyanin (KLH) as a marker, and to improve …
Published in Research and Reviews : A Journal of Immunology · Vol. 5, Issue 2, 2015 · pp. 8–16 Read article
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Heart Rate and Serum Nitric Oxide Express Circahoralian Oscillation in Hypertensive Patients
Abstract: Cardiovascular cells possess circadian oscillators and certain cardiovascular diseases are attributed to disruption in cardiac circadian rhythm. This study is aimed to find the association between the serum level of nitrogen species and the electrocardiograph records taking in consideration the circahoralian oscillation in hypertensive patients. A total number of fifty hypertensive patients and twenty healthy subjects were admitted in this study. The anthropometric measurements and lipid profile were determined. Serum …
Published in Research and Reviews: A Journal of Medicine · Vol. 4, Issue 2, 2014 · pp. 20–25 Read article
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Cadmium Toxicity: Oxidative Stress and Organ Dysfunction
Abstract: Due to continued anthropogenic mobilization, cadmium accumulation in the environment causes various health problems because of its diverse toxic effects, extremely lingering biological half life (20–30 years), low rate of excretion from the body and storage predominantly in soft tissue primarily liver and kidney. Cadmium is known to have numerous noxious effects, including nephrotoxicity, hepatoxicity, osteoporosis, cardiovascular toxicity, lung toxicity, and reproductive toxicity. The biologically significant ionic form of cadmium, …
Published in Research and Reviews: A Journal of Toxicology · Vol. 4, Issue 2, 2014 · pp. 14–31 Read article
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Performance Analysis of Junctionless SONOS Memory
Abstract: AbstractThis paper presents the performance analysis of the JL SONOS device electrical characteristics of the two different types of device i.e., one built on BULK substrate and other over the SOI substrate. The difference in the properties and its related impact on the device performance will be discussed through physical interpretations and mathematical equations. Simulation of both devices is done by taking same device dimension and parameter to check the …
Published in Journal of Operating Systems Development & Trends · Vol. 7, Issue 3, 2020 · pp. 25–31 Read article
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Relative Study on the Behavior and Performance of Various Electrolyte Materials for Solid Oxide Fuel Cells
Abstract: Aim of the present study is to provide an insight of development of electrolyte material for solid oxide fuel cells (SOFCs) with principle emphasis on materials aspects. In recent years, the major interest is to reduce the working temperature of SOFC, so that, the problems like thermal instability, high chemical reactivity, high cost etc. can be minimized as well as life of a fuel cell can be increased with reduction …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 3, 2015 · pp. 33–39 Read article
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GaN-based Sub-10 nm Metal-Oxide-Semiconductor Field-Effect Transistors
Abstract: Gallium nitride (GaN) based metal-oxide semiconductor field-effect transistors (MOSFETs) are promising for digital logic applications. The performance has been evaluated with different gate lengths (7~10 nm). The gate voltage is varied to turn ON and turn OFF at 1 and 0 V, respectively. For a gate length of 10 nm, the ON-current (ION) and OFF-current (IOFF) are found to be 6.86 mA/μm and 5.15x10-7 A/μm, respectively with a applied drain …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 1, 2016 Read article
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Solution Combustion Synthesis of Nanocrystalline and High-K Dielectric Lanthanum Oxide
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 The present paper describes a simple and eco-friendly chemical method of lanthanum oxide or lanthania (La2O3) nanoparticles by the solution combustion synthesis based on urea. The fuel urea is varied for different fuel to oxidizer ratios (F/O) or Ψ = 0.5 to 1.5 in the steps of 0.25. The average crystallite size of La2O3 nanoparticles was estimated from the full width …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 1, Issue 3, 2011 · pp. 1–7 Read article
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Green Synthesis and Characterization of Silver Nanoparticle using Leaves of Lawsonia inermis: Antibacterial, Antifungal and Anti-Oxidant Activity
Abstract: Nanotechnology is one of the fastest developing sciences over the past few years. This is an emerging field of modern research dealing with synthesis and designing of particle structure ranging from approximately 1–100 nm. Silver nanoparticles (AgNPs) are known for their tremendous applications in the field of therapeutics and diagnosis. In the present study, we have confirmed that the antibacterial, antifungal and anti-oxidant activity of biosynthesized AgNPs which were synthesized …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 1, 2016 · pp. 11–23 Read article
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Changes of Super Oxide Dismutase Activity in Hemolymph, Hemocytes and Fat Body of Silkworm (Bombyx mori L.) Challenged by Micrococcus luteus and Escherichia coli
Abstract: The hemolymph, hemocytes and fat body of the silkworm, Bombyx mori L. were determined for superoxide dismutase (SOD) activity following bacteria Micrococcus luteus and Escherichia coli challenged using a photochemical assay system consisting of methionine, riboflavin, and p-nitro blue tetrazolium. The in vitro reduction of nitro blue tetrazolium by superoxide to formazan was measured spectrophotometrically in Bombyx Mori. Hemolymph, hemocytes and fat body were in response to various immune elicitors. …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 2, Issue 2, 2012 · pp. 1–9 Read article
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Green Synthesis of Zinc Oxide Nanoparticles using Extracts of Ocimum Tenuiflorum and its Characterization
Abstract: Various applications of nanoparticles stimulate the need for synthesizing them. But, the conventional methods are usually hazardous and energy consuming. This leads to the focus on “green synthesis” of nanoparticles which was an efficient and eco-friendly approach. Natural diminishment operators are being investigated worldwide to limit the impacts of toxic chemicals utilized as a part of nanoparticles creation. The present study states a green approach for the synthesis of zinc …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 1, 2018 · pp. 9–19 Read article
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Study of Size Controllable Synthesis of Indium Tin Oxide Nanoparticles and Their Different Characterizations
Abstract: Nanocrystalline indium oxide powders were prepared by combustion synthesis. The changes of nanostructure caused by material processing were studied using X-ray powder diffraction (XRD), transmission electron microscopy (TEM), selected area electron diffraction (SAED) and Brummer Emette teller analysis (BET). The stoichiometric composition of the starting indium tin oxide powder (cubic in traces) induced phase transitions to high temperature. We found that the phase transition to ITO was initiated at the …
Published in Research & Reviews : Journal of Physics · Vol. 1, Issue 2, 2012 · pp. 9–18 Read article
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Study of Calcium Oxide Nanoparticles Synthesized by Solvothermal Method
Abstract: Calcium oxide (CaO) nanoparticles have been synthesized by simple solvothermal method using a domestic microwave oven. The reaction of calcium acetate with urea in ethylene glycol and by adding different mole% of manganese acetate as dopant was studied. The structural and optical properties of the proposed nanoparticles were investigated. The structural properties were characterized by powder X-ray diffraction (PXRD) and scanning electron microscopy (SEM) analysis. The average particle size of …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 3, 2019 · pp. 14–19 Read article
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Dielectric Properties of Reduced Graphene Oxide with Nickel Cobalt Ferrite and Nickel Zinc Ferrite Epoxy Nanocomposites
Abstract: In this work, two systems of the composite were prepared using NiCoFe and NiZnFe with reduced graphene oxide(rGO) epoxy and the samples were subjected to electrochemical impedance spectroscopy (EIS). The Quality factor and loss tangent values of the composite was found out as a function of frequency. The modified ferrite-graphene-epoxy blends show dielectric loss and Quality factor values at low frequency. The incorporation of graphene aims to improve electrical conductivity, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 11, 2023 · pp. 28–37 Read article
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Advanced Polymer-Based Packaging Composite with Metal Oxide Nanofillers: Synthesis, Characterization, and Applications
Abstract: The development of high-performance polymeric composites for food packaging applications has gained significant attention in recent years due to increasing concerns about food safety, durability, and environmental impact. The increasing demand for active packaging materials that not only protect food but also extend shelf life has led to extensive research into polymer-based antimicrobial composites. Traditional packaging materials, including plastics, ceramics, and metals, often lack bioactive properties and can contribute to …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 56–63 Read article
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Dosing Control of Urea in Selective Catalytic Reduction (SCR) to enhance the reduction of Nitrogen oxides
Abstract: Selective Catalytic Reduction (SCR) is an effective aftertreatment technique designed to comply with rigorous emission criteria established by global regulatory authorities for the elimination of nitrogen oxides from exhaust streams. Since NOx and ammonia reagents are poisonous and an excess of either is therefore very undesired, it poses an intriguing control problem, particularly at high conversion. SCR systems must reduce NOx emissions as much as possible and reduce the possibility …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 110–120 Read article