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128 articles for “Metal nanoparticle”
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Combustion Synthesis and Comprehensive Characterization of Pure and Ni-Doped CuFe₂O₄ Nanoparticles for Functional Composite Applications
Abstract: The CuFe2-xNixO4 (x = 0, 0.1, 0.3, and 0.5) nanoparticles were synthesized using a combustion method and comprehensively characterized to understand their suitability for polymer-based composite applications. X-ray diffraction confirmed the formation of a single-phase spinel ferrite structure with crystallite sizes of 20–30 nm. Energy-dispersive X-ray spectroscopy verified the successful incorporation of Ni ions into the CuFe₂O₄ lattice, while FE-SEM analysis revealed uniformly dispersed nanoscale particles desirable for composite reinforcement. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1–11 Read article
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Effectiveness of PTFE-Based Nano-coatings in Improving Corrosion and Wear Resistance of Stainless Steel
Abstract: Polytetrafluoroethylene (PTFE) has emerged as a highly effective material for enhancing the durability and performance of metal surfaces, particularly in environments requiring superior corrosion resistance and low friction. This study investigates the application of PTFE coatings on various metallic substrates, with a focus on stainless steel and carbon steel, to improve their corrosion resistance, wear protection, and tribological performance. Utilizing advanced deposition techniques such as sol-gel and plasma spray, PTFE …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 2, Issue 2, 2024 · pp. 32–38 Read article
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Au@Sio2@PVP-DCMD Membranes: A Breakthrough in Heavy Metal Removal and Antibacterial Defense
Abstract: This study investigates the development and characterization of multifunctional gold-doped silica (Au@SiO₂) membranes for water distillation and antibacterial applications. The manufacturing process integrated gold nanoparticles into silica matrices using sol-gel techniques. Structural analysis was conducted using SEM (showing uniform pore distribution with an average pore size of 40-50 nm), FTIR (confirming Si-O-Si and Si-Au-Si bonding peaks at 525 cm⁻¹ and 1310 cm⁻¹ respectively), EDX (revealing gold nanoparticle content of 1.5 …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 13–27 Read article
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Synthesis and Structural Characterization of Nanocrystalline CeO2 and Ce0.95Cu0.05O2 Solid Solution Catalysts: Properties and Applications
Abstract: The main study and the development of CeO2 and Cu-doped CeO2 nanocrystals containing transition- metal species are of crucial importance for understanding the preparation and fabrication of CeO2 and Cu-doped CeO2 nanoparticles by solution combustion technique to taken glycine as fuel. The structural properties of Ce1-xCuxO2 nanocrystals were examined by investigating the influence of cerium dioxide and Cu dopant ions. The CeO2 single-phase cubic system was successfully incorporated with Cu …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 3, 2024 · pp. 29–38 Read article
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Structural and Magnetic Property Studies of Nanocrystalline Co0.8Zn0.2Fe2O4
Abstract: The synthesis of Co0.8Zn0.2Fe2O4 nanoparticles has been achieved by a simple thermal decomposition method from the inorganic precursor, Co0.8Zn0.2Fe2(cin)3(N2H4)4, which was obtained by a novel precipitation method from the corresponding metal salts, cinnamic acid and hydrazine hydrate. The precursor was characterised by hydrazine and metal analyses, infrared spectral analysis and thermo gravimetric analysis. The thermal decomposition of Co0.8Zn0.2Fe2(cin)3(N2H4)4 yielded Co0.8Zn0.2Fe2O4 nanoparticles, which were characterised for their size and structure using …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 5, Issue 3, 2015 · pp. 67–73 Read article
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Antifungal Activity of Zero-valent Iron Nanoparticles Synthesized by Green Protocols Using Camellia sinensis Extract against Pathogenic Aspergillus Species
Abstract: Zero-valent iron nanoparticles with potential antifungal activity were synthesized following a green protocol using Camellia sinensis leaves extract. FeSO4.7H2O was reduced to black metallic iron by Camellia sinensis leaves extract. The green synthetic procedure without using any hazardous chemical reagents is hopeful which reduces the possibility of chemical pollution. The synthesized nanoparticles were characterized by UV/visible and fluorescence spectroscopies. The surface morphology, size, shape and particle distribution were studied using …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 8, Issue 3, 2017 · pp. 40–45 Read article
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Nanomaterials and Their Effects on the Environment: Analyzing Widespread Use
Abstract: Due to the need and uses of nanoparticles in a wide variety of fields of human activity, including industry, agriculture, commerce, medical, and public health, there has been a significant uptick in interest in nanotechnology among the general populace. Because of the inevitability of environmental exposure to nanomaterials as a consequence of their increasing incorporation into our everyday lives, more and more focus is being placed on the study of …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 97–103 Read article
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Silver Nanoparticle as Antiviral Agent and Its Uses
Abstract: Silver had been used by human thousands of years ago as various types of medicines (RasaratnaSamuccahay, Bhagbhatta). As the years passes more scientific uses of silver metals had been seen as the human civilization progresses.After the discovery of nano technology Silver is being used in a variety of ways .Nano particles exhibits less toxicity as compared to their ionic counterpart. Nowadays silver is used in various forms colloidal silver Nanoparticle …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 22, Issue 1, 2020 · pp. 28–34 Read article
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In silico Characterisation of Proteins of Glycyrrhiza glabra and Assessment of Nanoparticle Synthesising Ability of Closely Related Plant Species
Abstract: The main aim of the study is to analyse the proteins of Glycyrrhiza glabra using various bioinformatics tools. The proteins were structurally as well as functionally characterized using tools like ProtParam, SOPMA and SOSUI. NAD(P)H quinone oxidoreductase protein in Glycyrrhiza glabra was selected for evaluation and protein BLAST was performed. Primary structure prediction was performed to evaluate physical and chemical characteristics of proteins viz., Molecular weight, pI, etc. The secondary …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 2, 2019 · pp. 97–103 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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Investigation of Electronic Transport in Li2O and ZnO Nanoparticles Containing Polypyrrole Systems
Abstract: Polypyrrole systems having nanocrystalline ZnO and Li2O with different compositions (PPy50 + Li2Ox + ZnO(50-x), where x = 0, 2, 4, 6, 8, and 10) have been produced by ball milling. compositions of the type The temperature-dependent DC conductivity of each sample was determined in the temperature range of 313 K to 363 K. The conductivity studies show that Polaron hopping was the conducting mechanism in the material composites. The …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 88–95 Read article
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Effect of Nano Metal Oxide Loading Rates on Polymer-Nano Metal Oxide Nanocomposites
Abstract: Many industries, such as those in the fields of medicine, textiles, cosmetics, agriculture, optics, food packaging, optoelectronics, semiconductors, aerospace, building materials, and catalysis, utilise nanoparticles and nanocomposites in a variety of applications. A unique class of materials, polymeric nanocomposites outperform their microparticle counterparts by fusing organic polymers with inorganic nanoparticles. Consequently, they ought to advance the field of engineering applications. The presence of inorganic nanoparticles can significantly alter the properties …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 14, Issue 1, 2024 · pp. 1–12 Read article
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Future of Nanomedicine: “Magnetic Nanoparticles”
Abstract: AbstractNowadays, according to research nanotechnology is leading in the field of research and development. An urgency is raised in nanomaterials for the development of biomedical which is greatly been fulfilled by magnetic nanoparticles. It has become a research hotspot in the field of nanomedicine due to its chemical, physical and unique magnetic property. They are obtained in both mineral world and living organisms for example magnetotactic bacteria. Even humans employ …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 9, Issue 2, 2020 · pp. 31–35 Read article
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Metal corrosion prevention control with uses of sol-gel coatings
Abstract: The potential for sol-gel generated films to replace methods for pre-treating metal surfaces with chromate is very high. Metallic and organic paint can be painted on with good adherence thanks to inorganic sol-gel generated coatings. Their significant crack-forming propensity prevents them from offering appropriate corrosion protection. A thicker, more flexible, functionalized film is produced with improved compatibility to various organic top coatings when an organic component is added to an …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 2, 2022 · pp. 22–26 Read article
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Innovative Technology for Water Purification
Abstract: Water purification is critical for ensuring access to clean and safe drinking water, which is essential for public health, environmental sustainability, and economic development. Recent advancements in water purification technologies offer innovative solutions to address the growing challenges of water contamination and scarcity. This paper explores state-of-the-art technologies that are revolutionizing the field of water purification. Key innovations include nanotechnology-based filtration systems, advanced oxidation processes (AOPs), biomimetic membranes, and solar-powered …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 2, 2024 · pp. 11–16 Read article
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Structural Investigation on Synthesized Ag Doped ZnO-MWCNT and its applications
Abstract: Metal doped multiwalled carbon nanotube with metal oxide has unique properties which provide the remarkable studies in the field many applications. Zinc oxide nanoparticles (ZnO NPs) is a semiconducting material with a large excitation binding energy of 60 meV and wide energy band gap of 3.367 eV. The doping of silver naoparticle with ZnO/MWCNT composite materials offer values and makes it as advanced multifunctional materials. Silver nanoparticles are a highly …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 49–59 Read article
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Synthesis and Characterization of NiFe2O4 Nanoparticles and Environmental Remediation
Abstract: In the present study, nickel ferrite nanoparticles (NFNPs) doped with copper was synthesized by chemical co-precipitation method (CBD) and characterized for phase composition and magnetic properties by x-ray diffraction (XRD) and vibrating sample magnetometer (VSM). The results confirmed the formation of Ni0.5Cu0.5Fe2O4 with the average crystallite size (D) 15.45 nm and 18.14 nm and saturation magnetization (Ms) were observed as 16.16 Gauss and 22.58 Gauss at 300˚C and 500˚C temperature …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 2, 2019 · pp. 108–111 Read article
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Synthesis and Structural Characterization of Nanocrystalline CeO2 and Ce0.95Cu0.05O2 Solid Solution Catalysts Properties and its Applications
Abstract: The Main study and the development of CeO2 and Cu doped CeO2 nanocrystals containing transition-metal species are of crucial importance for understanding the preparation and fabrication of CeO2 and Cu doped CeO2 nanoparticles by solution combustion technique to taken glycine as fuel. Here, we have investigated the effect of Cerium dioxide and Cu dopant ions on the structural properties of Ce1-xCuxO2 nanocrystals (NCs) synthesized via co-precipitation technique. XRD results confirmed …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 4, 2024 Read article
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Enhancing Functional and Structural Properties of Advanced Materials through Scandium-based Nanostructures: Applications in Ceramics, Thermoelectrics, Memory Devices, and High-Strength Alloys
Abstract: This study explores the fabrication and properties of scandium-based nanostructured materials with applications in ceramics, glass, thermoelectric modules, switching devices, and strengthened alloys. Scandium oxide (Sc₂O₃) nanopowders were synthesized using precipitation techniques and subsequently sintered to create transparent ceramics with fine dispersion. Investigations into scandium-doped metallic glasses demonstrated enhanced plastic deformation, with notable tensile plasticity attributed to its unique nanoglass structure. A new scandium-doped thermoelectric material, ZnCdO, was also developed, …
Published in International Journal of Minerals · Vol. 1, Issue 2, 2024 · pp. 14–18 Read article
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Optimizing Glass to Metal Composite Seal Performance: An integrated Approach with Artificial Neural Network, Multiple Regression, and Taguchi
Abstract: Composite materials, particularly glass to metal composites, are critical components in solar receiver tubes, where vacuum leakage can significantly compromise the efficiency of solar plants. This research addresses the technical barriers associated with the development of durable and high-quality glass to metal composite seals. We investigate the principles that can enhance the physical and chemical properties of these composite seals, focusing on the incorporation of TiO2 and MgO nanoparticles into …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 418–435 Read article