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937 articles for “oxides”
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Comparative studies of Oxidation and hot corrosion behaviors of uncoated and detonation gun sprayed Cr3C2-25NiCr coating on SA-213 boiler steel at 8000C
Abstract: Fe-based alloys suffer oxidation and hot corrosion when the surfaces were in contact with air (oxidation) as well as the salty atmosphere (Hot corrosion) at elevated temperatures. In these atmospheric conditions, non-protective oxide Fe2O3 was formed on the surface of alloys. Oxidation and hot corrosion have been recognized as a major problem in the applications of the diesel engine, boilers, gas turbines, and chemical power plant etc. Detonation-gun sprayed Cr3C2-25NiCr …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 1, 2019 · pp. 17–22 Read article
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Experimental Investigation of Double Pipe Heat Exchanger to Improve Thermal Performance, By Using Cerium Oxide (CeO2) Nanofluid
Abstract: Heat exchanger is a device which is very important in every modern industry. Cerium Oxide is used as a nanofluid in this research paper which is made by mixing Cerium Oxide (CeO2) and water. The thermal performance analysis of double pipe heat exchanger is performed by changing the composition of Cerium Oxide nanofluid . At different flow rates (7, 8, 9 litres/min) of nanofluid, flow volume concentration (2%, 3%, 4%) …
Published in Recent Trends in Fluid Mechanics · Vol. 8, Issue 3, 2021 · pp. 24–31 Read article
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Antibiofilm Activity of Thermal Evaporated Tin Oxide Thin Film
Abstract: Biofilm is the deposition of microorganisms and their products on a solid surface submerged in water, which is prevalent problem, responsible for the degradation of the surface over the time. Elimination of microorganisms from submerged solid surface is enormously important process to reduce degradation of that surface. Recently, Tin Oxide (SnO2) nanoparticles have attracted the attention of researchers for its antibacterial property due to hydrophobic and non-toxic nature. Thin films …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 3, 2015 · pp. 1–5 Read article
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A Synthesis and Characterization of Copper Oxide Nano Hollow Spheres
Abstract: A simple precipitation and calcination method has been evolved for synthesis of copper oxide (CuO) nano hollow spheres in air ambience. Copper nitrate was used as precursor material in the preparation, and sodium hydroxide was used as precipitating agent. The precipitated particles were subjected to calcinations for oxidation. The obtained CuO nanoparticles were characterised by the following analytical methods of XRD, FTIR, DLS, AFM, SEM and TEM for feature of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 2, 2012 · pp. 1–11 Read article
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Engineering Fatty Acid Oxidation Pathway for the Production of Yeast-based Monomers
Abstract: Yeast-based monomers have a wider application in many fields and used for polymer production. Yeast system is used to improve the production of such valuable monomers by exploiting the metabolic pathways of interest. Alkane-utilizing yeasts mediate the fatty acid catabolism inside the peroxisomes primarily through beta (β) oxidation pathway, which breaks up the long chain fatty acids resulting in the synthesis of energy producing molecules. This allows the reduced inflow …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 3, Issue 1, 2013 · pp. 6–9 Read article
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Comparative Study of Oxidation and Hot Corrosion Behavior of Uncoated and Detonation Gun Sprayed Cr3C2-25NiCr Coating on SA516 Boiler Steel at 800°C
Abstract: In the present investigation Cr3C2-25NiCr powder was deposited on boiler steel SA 516 (Grade 70) by detonation gun process. The oxidation and hot corrosion performance of coated as well as bare boiler steel was studying in the air and aggressive environment of Na2SO4–50% NaCl under cyclic conditions at an elevated temperature of 8000C. Oxidation and hot corrosion of metals and alloys has been recognized as a serious problem for elevated-temperature …
Published in Journal of Aerospace Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 5–10 Read article
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Preparation of Magnetic Iron Oxide Nanoparticles by the Modified Wet Chemical Method
Abstract: In the embattled drug delivery, intravenous injection is given to patient followed by a magnetic field gradient over the fraction where drug is needed to be delivered as well as also in many medical applications which require iron oxide nanoparticles be discrete and magnetic. But rusting of these nanoparticles after synthesis, decreases their efficiency in most of the applications and limits the uses of these particles. So, here in this …
Published in Research & Reviews : Journal of Physics · Vol. 12, Issue 1, 2023 · pp. 1–6 Read article
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Graphene Oxide: A Potential Drug Carrier for Cancer Therapy—Review
Abstract: Graphene oxide (GO) is a single or few layer’s sheet derived from graphite using strong oxidizing agents. Graphene oxide possesses outstanding aqueous processability, amphiphilicity, functionalizability, surface enhanced area and fluorescence ability. Hydrophilicity is an important property for mixing the material with ceramic or polymer matrixes while trying to improve their electrical and mechanical properties. Acquiring a promising application in the biomedical area, graphene molecules undergo complex interactions with the biological …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 8, Issue 3, 2017 · pp. 21–31 Read article
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Biosynthesis of Zinc Oxide Nanoparticles and Their Revolutionary Impacts on Agroindustry: Review
Abstract: Nanotechnology is a new approach of science which provides alternative tool in many fields including agriculture. This comprehensive review focuses on the biosynthesis and characterization of zinc oxide nanoparticles (ZnO NPs), highlighting their vast potential in agroindustry applications. Unlike traditional physical and chemical methods, which are often costly, time-consuming, and involve hazardous materials, this review explores the promising biological synthesis routes, offering a more sustainable and eco-friendly alternative for producing …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 26, Issue 2, 2024 · pp. 33–50 Read article
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Formulation, Evaluation, and Stability Studies of a Topical Clotrimazole and Zinc Oxide Suspension with Enhanced Skin Protective Properties
Abstract: Background: Clotrimazole is a well-known antifungal agent frequently used in the treatment of various superficial fungal infections, while Zinc Oxide is a widely accepted skin protectant with soothing, astringent, and antimicrobial properties. Combining these agents in a topical suspension offers a dual therapeutic approach, enhancing both antifungal efficacy and skin protection. Objective: The objective of this study was to formulate, evaluate, and conduct stability studies on topical suspensions containing Clotrimazole …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 12, Issue 3, 2025 · pp. 22–31 Read article
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Aluminum Oxide Nanofluids Thermal Conductivity Enhancement Analysis: A Review
Abstract: Aluminum oxide nanofluids are enhanced heat transfer fluids that utilize the thermal conductivity of aluminum oxide (Al2O3) nanoparticles suspended within a base fluid. As technology advances, more efficient high heat flux solutions are required to manage the higher concentration of power in smaller designs. In this review paper, data from multiple experiments pertaining to the thermal conductivity of Al2O3 nanofluids will be presented. Information is compiled from peer reviewed and …
Published in Journal of Thermal Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 48–58 Read article
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Removal of AB 10B from Water by Copper Oxide Nano- Particles through Adsorption: A Kinetics and Thermodynamic Study
Abstract: Copper oxide nanoparticle was synthesized by a simple method. Consequently, adsorbent was characterized by using FTIR, XRD, and SEM techniques. The study of optimized parameter contains pH, initial dye concentration, adsorbent dose and contact time. Langmuir, Freundlich and Tempkin models were pragmatic for evaluating adsorption equilibrium data of AB 10B as the adsorbent but experiment show the Langmuir model is best for it. The adsorption kinetic model study was done …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 37–48 Read article
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Ru(III)-Catalyzed Oxidative Cleavage of Ritodrine Hydrochloride: A Kinetic and Mechanistic Study
Abstract: A systematic kinetic and mechanistic study of the oxidation of ritodrine hydrochloride (RTH) with chloramine-T (CAT) in both HClO4 and NaOH media has been carried out at 303 K. In acid medium, the reaction rate is very sluggish to be measured kinetically. Ruthenium (III) chloride ([Ru(III)]) was found to be an efficient catalyst. The reaction rate exhibits a first-order dependence on [CAT]0 in both media. It shows a fractional-order on …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 29–40 Read article
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Oxidation Behaviour of Plasma Sprayed Carbon Nanotubes-Alumina Coated ASME-SA213-T291 Boiler Tube Steel
Abstract: In this research work, oxidation behaviour of Carbon Nanotubes reinforced Al2O3 coated ASME-SA213-T91 boiler tube steel specimens were investigated at 900°C temperature in air. The different CNTs-Alumina composite coatings were deposited using plasma spray technique and NiCr was used as bond coat before applying CNTs-Al2O3 coatings. The hot corrosion studies were conducted on all coated specimens in air at 900°C under cyclic conditions. The thermogravimetric technique was used to establish …
Published in Journal of Materials & Metallurgical Engineering · Vol. 7, Issue 3, 2017 · pp. 1–15 Read article
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Chemical Synthesis of Zinc Oxide Nanoparticles and Characterization
Abstract: Chemical precipitation method was followed to synthesize zinc oxide nanoparticles. Zinc acetate and ethylene glycol were used in the preparation, and polyvinyl alcohol was also used along with zinc acetate to control the size and morphology. The precipitated particles were subjected to oxidation. The ZnO nanoparticles were characterized by analytical methods like XRD, FTIR, DLS, AFM, SEM and TEM. ZnO nanoparticles had crystal-like structures with size range of 6.17 to …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 2, 2013 · pp. 14–20 Read article
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Analysis of Oxidation Behavior on T-22 Boiler steel at 800°C
Abstract: The behavior of boiler steel T-22 in a rich air environment has been studied under the condition of isothermal at 800°C for 50 cycles in a cyclic manner. The kinetics of oxidation was established for boiler steel T-22under cyclic conditions for 50 cycles by weight change technique per unit area. Each cycle heating the sample at 1 hour followed by cooling 20 minutes at ambient temperature. Detonation gun spray techniques …
Published in Journal of Polymer & Composites · Vol. 8, Issue 1, 2020 · pp. 18–25 Read article
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Nitric Oxide—An Important Biomolecule in Breast Carcinoma
Abstract: Breast cancer represents significant problem of the world. Reactive nitrogen species of which nitric oxide (NO) is important constituent is a free radical gas which is synthesized by nitric oxide synthase (NOS).NO inhibits DNA synthesis and can damage DNA directly by deamination. In this study, NO level was studied in normal, pre- and postoperative cases of breast carcinoma. For this blood samples from 60 breast carcinoma cases were taken along …
Published in Research and Reviews: A Journal of Health Professions · Vol. 8, Issue 3, 2018 · pp. 55–59 Read article
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Is Beating Heart Coronary Artery Bypass Graft Surgery Associated with Lesser Oxidative Stress and Inflammatory Response?
Abstract: Cardiac operations using cardiopulmonary bypass have been associated with systemic inflammatory response, increased levels of circulating adhesion molecules, and oxidative stress. This study aims to assess various responses in patients undergoing coronary artery bypass grafting (CABG) with or without Cardiopulmonary bypass (CPB) with respect to time after surgery. Sixty consecutive patients undergoing CABG either by on-pump or off-pump technique were studied. Serum levels of tumor necrosis factor- (TNF- -6 (IL-6), …
Published in Research and Reviews : A Journal of Immunology · Vol. 1, Issue 1-3, 2011 · pp. 16–26 Read article
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Effects of Chlorpyrifos as Inducer for Oxidative Stress in Liver, Kidney and Spleen of Freshwater Fish, Pseudetroplus maculatus (Bloch, 1795)
Abstract: Chlorpyrifos is one of the most common organophosphate insecticides found abundantly in freshwater ecosystems and has been detected in agricultural and fishery products worldwide. The study focused to determine the effect of chlorpyrifos on the induction of oxidative stress in freshwater fish Pseudetroplus maculatus. Fish were exposed to sublethal concentrations (0.661 and 1.32 μg/l) of chlorpyrifos for 15 and 30 days. Activities of antioxidant enzymes and the levels of hydrogen …
Published in Research and Reviews: A Journal of Toxicology · Vol. 8, Issue 1, 2018 · pp. 20–29 Read article
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Effect of Anodization Process Parameters on Morphology of Porous Anodic Aluminum Oxide and Carbon Nanotubes Grown by CVD
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Synthesis of well-ordered carbon nanotubes (CNTs) can be achieved by chemical vapor deposition (CVD) of a carbon source onto a porous anodic aluminum oxide (PAAO) template. The structure of the PAAO template or film is a close-packed array of hexagonal cells, each containing a cylindrical central pore that is perpendicular to the surface of the underlying aluminum substrate. The diameter, depth and …
Published in Journal of Production Research & Management · Vol. 1, Issue 3, 2011 · pp. 1–16 Read article