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19 articles for “oxidation of ethanol”
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Combustion Analysis of Ethanol in An HCCI Engine
Abstract: Improving fuel economy and reducing emissions are two major challenges being faced by the automotive industry. Alternative fuels and new combustion concepts are emerging to combat both pollution and fuel crises. Of late, the concept of Homogeneous Charge Compression Ignition, has been receiving increased attention due to its potential for simultaneously reducing fuel consumption, NOx and Particulate Emissions. In particular, in HCCI engine research, where combustion is regarded to be …
Published in Trends in Mechanical Engineering & Technology · Vol. 3, Issue 2, 2013 · pp. 1–9 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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Anti-Ulcer Activity of Ethanolic Extract of Sesamum indicum Seed on Indomethacin-Induced Ulcer Model and Its Antioxidant Property in Gastro-Protection
Abstract: The present study was intended to investigate and evaluate the antiulcer activity of the ethanol seed extract of Sesamum indicum Linn. using Indomethacin Induced Ulcer in Albino rats and to determine its link between oxidant or antioxidant parameter. The extract of Seamum indicum Linn. was tested on indomethacin induced gastric ulcer in Albino rats. The antiulcer activity of high dose (400 mg/kg) and low dose (200 mg/kg) of ethanolic extract …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 5, Issue 2, 2015 · pp. 18–25 Read article
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Steam Activated Carbon Material from the Fruit Shells of Sterculia foetida for Energy and Environmental Applications
Abstract: Steam activation of the biochar from Sterculia foetida forms a green route for the synthesis of activated carbon material with high specific surface area (1017 m2/g). The corresponding value with a chemical activating agent (K2CO3) is much lower (596 m2/g). Structural parameters of the activated carbon materials were deduced from XRD studies. Moreover the thermal stability of the activated carbon materials from steam activation is nearly 100°C higher than that …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 1, 2024 · pp. 23–33 Read article
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Preliminary Phytochemical Screening, Antioxidant and antibacterial activity of Helicteres isora leaf extracts.
Abstract: Objective: To evaluate phytochemical screening, Anti-oxidant and anti-bacterial activity of Helicteres isora leaf extracts. Methods: Petroleum ether, chloroform, acetone, ethanol and hydroalcoholic extracts of leaves were used for the phytochemical screening. Anti-oxidant activity was measured using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) and nitric oxide (No) radical scavenging tests; antibacterial activity was assessed using disc diffusion techniques. Results: The percentage yields for the petroleum ether, chloroform, acetone, ethanol and the hydroalcoholic extract were …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 13, Issue 2, 2022 · pp. 11–17 Read article
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Anti-Ulcer Activity of Methanolic Extract of Mucuna Pruriens Seed on Indomethacin Induced Ulcers in Albino Rats
Abstract: The present study was intended to investigate and evaluate the antiulcer activity of the methanol seed extract of Mucuna pruriens using indomethacin induced ulcer in albino rats and to determine its link between oxidant or antioxidant parameter. The extract of Mucuna pruriens was tested on indomethacin induced gastric ulcer in albino rats. The antiulcer activity of high dose (400 mg/kg) and low dose (200 mg/kg) of ethanolic extract of Mucuna …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 5, Issue 2, 2015 · pp. 1–8 Read article
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Enhancement of Gas Sensitivity of Composites of Carbon Derived from Rubber Tree and SnO2 to Detect Ethanol Vapor at Room Temperature
Abstract: Films of composites of activated carbon powder prepared from saw dust derived from core of rubber tree (Hevea Brasiliensis) and tin oxide (SnO2) were fabricated using the doctor blade method. Carbon powder was activated using phosphoric acid at 500°C for 45 minutes. The weight ratio carbon/SnO2 varied from 0 to 12% in steps of 2. The structural, optical and morphological properties of films were investigated using XRD patterns, UV-visible spectrums …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 2, 2025 · pp. 31–44 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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Phenolic Compound Extraction from Leaves of Nyctanthesarbor-tristis
Abstract: Nyctanthes arbortristis is known as night-flowering jasmine and belongs to Oleaceae family. It is a fragrant white flowering shrub that is medicinally useful, sacred, and ornamental plant species. It is commonly grown in garden areas due to its pleasant fragrance and unique. The plant also growing on rocky areas in dry hillshades and is tolerant of moderate shade. It contains several phytochemicals like phenolic compound, flavonoids, tannins, alkaloids, saponins and …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 12, Issue 2, 2021 · pp. 72–76 Read article
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A Study of Nature Based Dye with Different Extracting Solvents as a Sensitizer for Dye-Sensitized Solar Cells
Abstract: In this paper, natural dye extracts were used as a sensitizer for Dye Sensitized Solar Cell (DSSC). The natural dye was extracted from Lantana camara leaf, flower and Clitoria ternatea flower using ethanol and acidified ethanol (in 1% HCl) as extracting solvent. The DSSCs have been fabricated using pure TiO2 and Ni doped TiO2 layers as photoanodes deposited by Doctor Blade method on fluorine doped Tin Oxide (FTO) glass substrate …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 3, 2018 · pp. 69–73 Read article
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Enhanced Room-Temperature Gas Sensing Performance of 2% Mn-Doped Sri Lankan Natural Graphite Thin-Film Sensors for Ammonia, Acetone, and Ethanol vapors Detection
Abstract: The development of room-temperature gas sensors with high sensitivity, fast response, and low-cost remains a critical challenge for environmental monitoring and safety applications. In this work, we report the fabrication and characterization of a 2% Mn-doped Sri Lankan natural graphite thin-film sensor for the detection of ammonia (NH3), ethanol (C2H5OH), and acetone (C3H6O) vapors under ambient conditions. The sensor was prepared using the doctor-blade coating method on Indium Tin Oxide …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 2, 2026 · pp. 39–49 Read article
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Semiconducting Materials for Emerging Electronics and Technological Applications
Abstract: Semiconducting materials are important for emerging electronic and photovoltaic technologies because their structural, optical and electrical properties can be tailored for specific device applications. In this study, a TiO₂-based composite photoanode is considered as a polymer-assisted semiconducting thin-film system in which inorganic TiO₂ nanoparticles are processed with organic film-forming components to produce a porous layer for dye-sensitised solar cell application. Nanocrystalline TiO₂ nanoparticles were synthesised from titanium isopropoxide using a …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 36–50 Read article
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Extraction of Phytochemicals from Leaves of Hibiscus rosa sinensis
Abstract: Hibiscus rosasinensis is medicinal and ornamental plant species belongs to Malvaceae family. It contains various phytochemical constituents like phenolic compounds, flavonoids, tannins, alkaloids, saponins etc. Hundreds of chemical compounds are synthesised in different parts of the plant including flowers, stems, roots and leaves etc. that have numerous medical and pharmacological applications. Leaves are used to treat blood vessel hypertension, fatigue, depression and skin problems. It shows various medicinal properties like …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 10, Issue 3, 2020 · pp. 9–11 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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Synthesis of Silver Nanoparticles by Biological Method and its Application in Protection of Wood from Ganoderma Species
Abstract: The major advancement in the field of nanotechnology during the last decade have resulted in the wide spread application of nanomaterials in the field of science and technology. Nanoparticles were synthesised biologically, which is a pure green chemistry and completely toxic free compared to chemical synthesis. The property of the reductases present in the E. coli culture filtrate reduces silver nitrate to silver oxide and also serves as a capping …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 3, Issue 1, 2013 · pp. 37–43 Read article
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Structural, Optical, Surface, and Gas-Sensing Properties of rGO/Sn1–xZnxO₂ Nanocomposites
Abstract: rGO/Sn₁–ₓZnₓO₂ nanocomposites with x = 0.00–0.75 were synthesized by sol–gel auto-combustion followed by wet impregnation with reduced graphene oxide. The adopted synthesis route enabled homogeneous Zn incorporation into the SnO₂ matrix and uniform distribution of rGO, leading to improved structural integrity and interfacial contact between the two components. XRD confirmed a dominant tetragonal cassiterite SnO₂ structure, while FTIR, FESEM, EDS, UV–visible, and BET analyses verified oxide–rGO coupling, Zn-dependent structural modification, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 429–452 Read article
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Studies on Extraction of Bioflavonoids from Seeds of Cucumis melo
Abstract: Cucumis melo belongs to Cucurbitaceae family. It contains high-content of bioflavonoids (quercetin and rutin) and phenolic compounds. It shows various pharmacological activities like anti-cancer, anti-oxidant, anti-ulcer, anti-diabetic, anti-helminthic. In this research, the optimization of physico-chemical parameters like effects of different solvents, solvent percentages, pH, extraction time and particle mesh size for the extraction of bioflavanoids from seeds of Cucumis melo have been studied. For the extraction of quercetin, the optimum …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 11, Issue 3, 2020 · pp. 43–48 Read article
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Solid acidity of MoO3 synthesized by solution combustion method and acetalization of formaldehyde using it
Abstract: MoO 3 nanoparticles were synthesized via solution combustion approach. Ammonium nitrate was used as oxidant and ammonium molybdate as fuel in combustion reaction. XRD, FTIR and Raman spectroscopy results showed that MoO 3 nanoparticles were successfully synthesized by the solution combustion reaction. The SEM analysis showed that synthesized MoO 3 nanoparticles have rod-like shape with width and thickness of 50-200nm and length of 0.2-1μm, respectively. The XRD pattern and morphology …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 3, 2025 · pp. 01–09 Read article
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Protective Effect of Chloroform Extract of Cyperus Rotundus against DNBS Induced Inflammatory Bowel Disease in Rats
Abstract: The present study was designed to evaluate the effects of Cyperus rotundus on DNBS (Dinitrobenzene sulfonic acid) induced IBD in experimental rats. The experimental protocol (Protocol No. 9012 dated 26th Dec 2009) was approved by Institutional Animal Ethical Committee of Anand Pharmacy College. Colitis was induced with DNBS (180 mg/kg in 50% ethanol) intracolonically in animals on the 11th day of the study. Animals were fasted for 24 h prior …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 4, Issue 3, 2014 · pp. 24–32 Read article