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906 articles for “CO oxidation”
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Synthesis of Metallic Copper Nanoflowers, Nanocrystals and Nanorods using Electrodeposition and Hydrothermal Techniques
Abstract: Copper nanoflowers and nanocrystals have been fabricated using two different techniques; electro-deposition of copper in polymer and anodic alumina templates (AAT) and Cetyltrimethyl-ammonium Bromide (CTAB)-assisted hydrothermal method. Nanorods of copper are produced by electrodeposition in 100 nm AAT. Scanning Electron Microscope (SEM) micrographs record some interesting morphologies of metallic copper nanoflowers and nanocrystals. Field Emission Scanning Electron Microscope (FESEM) has been used to determine morphology and chemical composition of polycrystalline …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 1, 2012 · pp. 23–37 Read article
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Screening of Newer Phytoconstituents on Novel Enzymes for their Biological Activity
Abstract: Background: Hyperlipidemia and gout are prevalent metabolic disorders significantly impacting global health. The xanthine oxidase and HMG-CoA reductase pathways play pivotal roles in the pathophysiology of these conditions. This study explores the potential of natural phytoconstituents—daidzein, resveratrol, and genistein—as dual inhibitors for these enzymatic targets, offering insights into innovative therapeutic strategies. Aim: To evaluate the potential of natural phytoconstituents—daidzein, resveratrol, and genistein—as dual inhibitors of xanthine oxidase and HMG-CoA reductase …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 16, Issue 1, 2025 · pp. 81–86 Read article
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Advanced Functional Nanocomposites: Graphene Oxide Integration into Polyvinyl Alcohol Matrix
Abstract: This research explores how incorporating graphene oxide (GO) into polyvinyl alcohol (PVA) can improve its mechanical and thermal characteristics, with the goal of creating multifunctional nanocomposites suitable for advanced technological applications. GO was introduced into the PVA matrix at 0.5, 1, and 2 wt% via a scalable solution casting method. The resulting nanocomposites were characterized mechanically, thermally, and spectroscopically. Tensile testing revealed a significant improvement in mechanical performance, with tensile …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 50–59 Read article
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Effect of Vidarikand (Extracts) on Oxidative Stability of Ghee: A Comparative Study
Abstract: Antioxidant activities of vidarikand (Pueraria tuberosa) extracts were evaluated and compared with BHA, TBHQ, rosemary and green tea using a β-carotene bleaching assay, a 2, 2-diphenyl-β-picrylhydrazyl (DPPH) assay and the Rancimat method. Phenolic content and antioxidant activity (β-carotene–linoleic acid model system and DPPH assay) of ethanolic extract of vidarikand was more compared to its aqueous extract. Ethanolic extract of the vidarikand was more effective in preventing the development of the …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 2, Issue 1, 2013 · pp. 1–11 Read article
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Biochemical Assays of Crude and Purified Oxycarotenoid Extracts Isolated from Coriander Leaves and their Effect on Oxidative Stability of Oils by Rancimat Assay
Abstract: Antioxidants are important substances in the fight against the damage done by free radicals that are produced by oxidative stress. Antioxidants are available in various forms as dietary supplements/synthetic forms. Because of their toxicity and side effects, the extensive use of many of these synthetic antioxidants is ruled out. Most nutritionist agrees that, the natural food is the best source of antioxidants. Dietary antioxidants have the ability to scavenge free …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 8, Issue 1, 2018 · pp. 1–10 Read article
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Removal of Thiophene from Model Fuel Using Titanium Catalyst
Abstract: Organosulfur compounds like thiophene (Th) and its alkyl derivatives are the major unwanted species present in crude oil fractions as they lead to the formation of sulfur oxides after combustion of the fuel and these oxides of sulfur cause severe environmental damage. Oxidative desulfurization (ODS) process is considered as one of the best alternative deep desulfurization technologies compared to hydrodesulfurization. In the ODS process, the sulfur compounds are oxidized to …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 1, 2016 · pp. 31–36 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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Wear Performance of Cylindrical Shaped Alumina Nanoparticles Filled Epoxy Composite
Abstract: Low cost high specific strength epoxy LY 556 and alumina nano filler is utilized in current research for developing a epoxy composite. A liquid dispersion method was adopted for fabricating epoxy alumina composite having 0.50 wt% of alumina reinforcement. For uniform and homogenous dispersion of reinforcement, ultra-sonification of 120 W is adopted. To study the effect of particle behavior, unfilled epoxy and 0.5 wt.% cylindrical alumina oxide filled epoxy composite …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 94–100 Read article
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Graphene-Based Polyaniline Nanofiber Composites as Supercapacitor Electrodes
Abstract: Modern world uses electricity in different forms for various purposes, some may store it for a later use or some may use it directly. The growing demand for hybrid electric vehicles and portable systems requiring more power to be delivered in less amount of time is pushing the need for electrochemical capacitors. Compared to batteries, electrochemical capacitors or supercapacitors exhibit faster and higher power transport capability, longer life, very low …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 3, 2015 · pp. 47–53 Read article
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Synthesis and Characterization of Ether Containing Tetraglycidyl Epoxy Reinforced with Amine Functionalized Graphene Oxide (F-Go) and It’s Nanocomposites
Abstract: AbstractTGDDE matrix material along with functionalized graphene oxide (F-GO) as reinforcement was used to develop a unique skeletally modified tetra functional epoxy nanocomposites. Amine functionalization of graphene oxide nanoparticles (F-GO) on its surface was achieved by grafting 3-aminopropyltriethoxysilane (APTES) as coupling agent. The FT-IR spectrum revealed that the silane coupling agent was covalently bonded to the surface of graphene oxide nanoparticles, offering better dispersibility and compatibility with TGDDE epoxy matrix. …
Published in Journal of Polymer & Composites · Vol. 3, Issue 2, 2015 · pp. 39–51 Read article
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Enhancing The Mechanical Performance of Al6061/Graphite Composites Reinforced with Sic and Aluminium Oxide Processed by Stir Casting
Abstract: The study investigates the mechanical properties of aluminum alloy Al6061 reinforced with varying proportions of silicon carbide (SiC) (0 wt%, 4 wt%, 5 wt%, and 6 wt%) and aluminum oxide (Al₂O₃) (0 wt%, 4 wt%, 3 wt%, and 2 wt%), with a constant addition of 1 wt% graphite. The composites were fabricated using the stir casting process, an efficient and economical method for uniformly distributing ceramic reinforcements within the metal …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 66–74 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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Cerium Admixture Effect on the Surface Magnetic Properties of Ceramics Based on Yttrium Oxide
Abstract: The influence of 10 mol.% cerium oxide dopant on phase transformations, morphology, and surface magnetic properties (magnetic structure) of polycrystalline ceramics obtained in the CeO2–Y2O3 system, depending on the conditions of its heat treatment, was studied. Using the X-ray phase analysis method, it was established that heat treatment at 120°C does not lead to the interaction of the initial components, and when the oxide mixture is fired at a temperature …
Published in Research & Reviews : Journal of Physics · Vol. 11, Issue 2, 2022 · pp. 9–19 Read article
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A Vehicle Emission Tax Model: To Promote Adoption of Zero Emission Vehicles for Indian Context
Abstract: Vehicle tailpipe emissions have been regulated by the authorities over the period of time forcing vehicle manufacturers in improving engine technologies to comply with the government stipulated norms. Improvement in engine designs has reduced vehicle tailpipe emissions to the extent of emissions to meet the notified norms. Historically, such a reduction in vehicle emissions has been achieved in steps/stages as and when new emission norms were notified. It is proposed …
Published in Journal of Automobile Engineering and Applications · Vol. 6, Issue 3, 2019 · pp. 1–10 Read article
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Electrooxidation of Methylene Blue over nanoparticle coated DSA synthesized by sol-gel method
Abstract: The current study uses the sol-gel approach to synthesize a new Dimensionally Stable Anode (DSA) covered with nanoparticles. The objective is to enhance the electrocatalytic activity and overall performance of the anodes in treating synthetic industrial wastewater containing reactive dyes. CuO and TiO2 nanoparticles are coated using a thermal decomposition technique on a titanium electrode. The DSA surface gains more surface area and better catalytic capabilities when nanoparticles are coated …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 2, 2024 · pp. 34–43 Read article
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Glutathione: Postoperative Study in Breast Carcinoma
Abstract: Breast cancer represents a significant problem in the world. Glutathione a tripeptide is found in all mammalian tissues. Thus any change in its synthesis or utilization can profoundly influence the redox status of cells. In this study blood sample was collected from 60 FNAC confirmed breast cancer patients (preoperative and postoperative three months) and 30 normal healthy controls for the estimation of glutathione. There was significant increase in glutathione in …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 7, Issue 1, 2018 · pp. 3–6 Read article
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Investigation on Dry Sliding Wear Behaviour of AlSi7Mg0.3/B4C/ZrO2 Hybrid Composites using Taguchi Method
Abstract: Hybrid Aluminium/Boron carbide/Zirconium oxide (AlSi7Mg0.3/B4C/ZrO2) composites were fabricated utilizing stir casting technique by varying boron carbide content (4wt.%, 8wt.% and 12wt.%) and utilizing a fixed amount (4wt.%) of zirconium oxide particles. Optical microscopy revealed that B4C and ZrO2 particulates were dispersed uniformly in AlSi7Mg0.3 matrix. Dry sliding wear experiments were carried out utilizing the pin-on-disc tribometer with various levels of applied loads, sliding speeds and weight percentage of boron carbide …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 166–177 Read article
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Development and Performance Evaluation of GO–ZnO/PU Hybrid Nanocomposite Coatings for Improved Optical Transmission, Cooling, and Self-Cleaning in PV Systems
Abstract: The performance of solar photovoltaic (PV) modules with time is affected by thermal heating, dust buildup, and exposure to ultraviolet (UV) light; as a result, the power loss increases rapidly during the use condition. In this study, a polyurethane (PU) nanocomposite, fabricated with graphene oxide and zinc oxide (GO–ZnO), is invented and examined. Improvements in heat management, light transmission, and dirt resistance are planned for PV glass surfaces. The nanocomposite …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 243–249 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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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