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128 articles for “Metal nanoparticle”
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Ag₂S–Ag Nanocomposites: A Bottom-Up Approach to Enhance Thermoelectric Power Factor at Near Room Temperature
Abstract: The intrinsic ductility, low toxicity, and naturally occurring abundance of silver sulphide (Ag₂S) have made it a potential thermoelectric material in recent years. However, high electrical resistance severely limits its practical application. Here, we present a thorough analysis of how metallic Ag nanoinclusions affect the structural, electrical, and thermoelectric characteristics of Ag₂S nanocomposites made using a simple bottom-up polyol approach. (Ag₂S)₁₋ₓAgₓ nanocomposites with an Ag content ranging from 0 to …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 4, Issue 1, 2026 · pp. 40–55 Read article
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Eco-Friendly Synthesis of MgO Nanoparticles and Their Antibacterial Performance
Abstract: Nanoparticles (<100 nm in size) due to their enhanced surface area and high chemical reactivity have been a boon, ranging from micro to macro level. This has increased its applicability in various fields such as Food, textile, environment, biomedicine etc. Various metal oxides have been employed in Biomedical applications for their antibacterial, antioxidant and anticancerous activities. But MgO NPs have received much attention due to their high stability, non-toxicity and …
Published in International Journal of Advance in Molecular Engineering · Vol. 3, Issue 1, 2025 · pp. 33–41 Read article
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Health Hazards of Nanoparticles and Environmental Pollutants
Abstract: The exponential growth in the use of nanoparticles and the prevalence of environmental pollutants have raised significant concerns regarding their health hazards. Nanoparticles, owing to their unique physicochemical properties—such as small size, high surface areatovolume ratio, and chemical reactivity—can penetrate biological barriers, including the bloodbrain barrier, and interact at the cellular and molecular levels. This can lead to oxidative stress, inflammation, and cellular dysfunction, ultimately resulting in potential toxicity. Similarly, …
Published in Research and Reviews: A Journal of Toxicology · Vol. 15, Issue 1, 2025 · pp. 1–9 Read article
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Development of Characterization Techniques of Various Nanocomposites: A Review
Abstract: Abstract Nanotechnology is basic research and development that is a phenomenon in laboratories all over the world. A nanometer (nm) is one thousand millionth of a meter. For comparison, a red blood cell is approximately 7,000 nm wide and a water molecule is almost 0.3 nm across. Nano-scale is a scale where the properties of materials can be very different from those at a larger scale. Nanoscience is a study …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 7, Issue 2, 2017 · pp. 7–9 Read article
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Effects of Nano Additives on Performance and Emission Characteristics of CI Engine with Mahua Biodiesel and Diesel Blends as Fuel
Abstract: Due to growing environmental concerns and the imminent depletion of fossil fuels, the development of eco-friendly alternative fuels, such as biodiesel, is imperative. To improve the performance and emission properties of diesel engines utilizing biodiesel blends, the effective introduction of metallic and non-metallic nano-additives has been established. This research aimed to investigate the blending ratios of biodiesel (B0, B10, B20, and B40) in a compression ignition engine. Furthermore, the impact …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 41–49 Read article
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A Review on Nanofluids: Preparation and Applications
Abstract: Nanofluids are essential because they improve heat transfer. Nanofluids are colloidal combinations of ceramic particles or nanometric metallic in a base fluid, such as ethylene glycol, water or oil. Nanofluids possess huge potential to increase the heat transfer character of the original liquid due to enhanced thermal transport properties. nanoparticles have been utilized in transmission oil, radiator coolant and engine oil to increase heat transfer removal from automobile engine. Specific …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 21, Issue 1, 2019 · pp. 21–35 Read article
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Creating Awareness on Toxic Nature of Cadmium
Abstract: Every day, we come into touch with hundreds of harmful compounds, both natural and manmade. A dangerous heavy metal that is widely present in nature is Cadmium. There have been several reports of cadmium poisoning throughout the world. It is well known that all forms of cadmium are harmful to the environment and to living things. It is a widespread issue with world health that, in some situations, can lead …
Published in Research & Reviews : Journal of Ecology · Vol. 11, Issue 2, 2022 · pp. 28–31 Read article
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Janus (Two-faced) Molecules/Biomolecules
Abstract: Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 This article deals with janus (two-faced) molecules/biomolecules from different scientific fields. Examples selected include simple to complex molecules/biomolecules. Janus spheres, particles, nanoparticles, homocysteine, two codon in genetics, alcohol, nitric oxide, cholesterol, various drugs, proteins, enzymes, cannabinoid, ethylene glycol, two-faced membranes, membrane lipids, bile acids, two-faced bacteria, antibiotics, cancer genes, serotonin, reactive oxygen species, metallic copper surfaces, carbon nanotubes, polypharmacy, etc., are …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 2, Issue 2, 2012 · pp. 29–60 Read article
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Aluminium-Doped Zinc Ferrite Nanoparticles Synthesized by Combustion Method for Polymer Composite Applications
Abstract: ZnFe₂₋xAlₓO₄ (x = 0 and 0.5) nanoparticles were synthesized via a combustion method owing to its simplicity, cost efficiency, and ability to produce highly crystalline nanomaterials. Powder X-ray diffraction (XRD) analysis confirmed the formation of a single-phase cubic spinel structure without detectable secondary phases, indicating high phase purity. The average crystallite size was estimated to be in the range of 14–20 nm, confirming the nanocrystalline nature of the samples. Field-emission …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 272–282 Read article
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Bioinspired Nanocomposite Bone Pins: Fabrication, Evaluation, and Suitability for Orthopedic Implant Applications
Abstract: Bone tissue engineering (BTE) requires scaffolds that mimic bone’s mineral–organic composition, offering mechanical strength, bioactivity, and degradation rates compatible with regeneration. Conventional metallic implants face corrosion and toxic ion release risks, while ceramics like hydroxyapatite (HAp) are bioactive but brittle. This study reports a multifunctional hybrid scaffold combining HAp for osteoconductivity; polycaprolactone (PCL) and collagen for flexibility and biocompatibility with sodium citrate for nanoparticle dispersion, ferrocene (Fc) for catalytic bioactivity; …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 526–540 Read article
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Development of Biodegradable Stents from Polymeric Composites for Cardiovascular Applications
Abstract: Cardiovascular diseases are still one of the leading health complications in the world, and coronary artery disease remains one of the toughest ones to crack. The introduction of stent implantation in interventional cardiology is a breakthrough concept which helps to restore blood flow and maintain patency of the arteries. On the other hand, long-term results of bare-metal stents and drug-eluting stents indicate the presence of complications, such as in-stent restenosis, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 181–191 Read article
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Tailoring The Electrochemical Interface of Graphene–Gd₂O₃ Nanocomposites for Advanced Energy Storage
Abstract: Graphene–Gd₂O₃ nanocomposites were synthesized by incorporating varying concentrations of reduced graphene oxide (rGO) into Gd₂O₃ using a straightforward room-temperature solution method. The composites were analyzed using various distinct characterization techniques, including X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, Raman spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS). Electrochemical measurements, particularly cyclic voltammetry (CV), demonstrated that the incorporation of graphene significantly enhanced the electrochemical performance …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 369–388 Read article
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Advanced Local Drug Delivery Approaches for Periodontitis: A Strategic Intervention
Abstract: Periodontal disease, one of the most prevalent oral diseases is caused by the gram negative bacterial infection of periodontal pocket identified by inflammation of subgingival plaque and degeneration of alveolar bones, teeth, dental cementum and periodontal ligaments. 80% of American adult and more than 50% of Indian community suffers from this chronic inflammatory disease depicting the severity of the disease. The objectives of the available therapies are to minimize the …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 9, Issue 1, 2018 · pp. 4–11 Read article
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INVESTIGATION OF THERMAL CONDUCTIVITY OF SILVER NANOPARTICLES IN BASEFULID OF WATER ETHYLENE GLYCOL
Abstract: Nanotechnology is interface technologies that span many different science and applications area.When engineering, science and technology are conducted at the nanoscale is called asnanotechnology. It is about 1 to 100 nm (nano-meter) where nano denotes the scale range of onebillionth of meter. Nanotechnology refers the properties of atoms and molecules measuring 0.1 to1000 nm. Nanofluids are nothing but suspension of nanometer sized particles in the base of fluid.The base fluid …
Published in Journal of Thermal Engineering and Applications · Vol. 7, Issue 3, 2020 · pp. 13–19 Read article
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Analyzing the Performance and the Emission Characteristics of Palladium Catalyst using different blends of Methanol Fuel and Nano Particles of Aluminium and Titanium Oxides
Abstract: The high cost and limited availability of precious metals prompted the automotive industry to explore alternative materials for improving catalytic converter performance. This research focuses on the development and optimization of catalytic converters designed to reduce exhaust emissions, ensuring compliance with market needs and regulatory standards. Specifically, it investigates the three-way catalytic converter in a four-stroke engine utilizing commonly available noble metals, particularly palladium as the catalyst. The best way …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1505–1517 Read article
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Review on Recent Automotive Experimental Applications of Nano Coolants
Abstract: An automotive car radiator consists water and ethylene glycol as conventional coolants for many years Water and ethylene glycol are heat transfer fluids, which have low thermal conductivity and these techniques comes under nanotechnology and with ages of advancement these fluid are known as “nanofluids” which has the speciality higher thermal conductivity than conventional coolants. The mentioned article is highlighted on the research and numeric carried out from pre- researchers …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 1, 2019 · pp. 1–10 Read article
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Experimental Investigation of Boron Carbide Reinforced Al-Mg-Si Alloy Nano Composites by the Stir Casting Method Using Machine Learning Algorithm
Abstract: For the purpose of this experiment, Al-Mg-Si alloys were manufactured with the use of the stir casting process with a metal mold. The alloys had different weight percentages of nano boron carbide, which ranged from 0 to 4% by weight. The intervals between the percentages were 0.5. Following that, the microstructural and mechanical parameters of the as-cast alloy and the nano composites were compared and contrasted according to ASTM Standards …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1766–1779 Read article
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Green Synthesis of Selenium Nano-metalloid from the extract of Cabbage (Brassica oleracea var. capitata) leaf and its Antimicrobial Activities
Abstract: Green synthesis specifies the creation of nano-size particles (NPs) by a biological process using the reducing properties of metabolites in the plant extracts. The present work reports the use of cabbage (Brassica oleracea var. capitata.) leaf extract as a reducing and stabilizing agent to synthesize selenium nanoparticles (SeNPs) via the green route of synthesis. The as-prepared SeNPs were analyzed by UV–vis spectroscopy, FTIR, DLS, SEM, and EDX. Nano-crystalline SeNPs has …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 1, 2019 · pp. 12–20 Read article
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Noise and Vibration Reduction Using Sustainable Polymer Nanocomposite Materials: A Review
Abstract: Noise pollution and structural vibration represent critical challenges in modern engineering systems, affecting human health, operational efficiency, and equipment durability. This review examines the application of sustainable polymer nanocomposite materials for simultaneous noise and vibration reduction across diverse engineering domains. The fundamental relationship between structural vibration and noise generation is established, followed by a comprehensive analysis of sound absorption and damping mechanisms in nanoparticle-reinforced polymer systems. Multi-walled carbon nanotubes (MWCNTs), …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 785–798 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