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670 articles for “Co0.8Zn0.2Fe2O4 nanoparticles”
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Green Synthesis of silver nanoparticles using Moringa Oleifera leaf extract: Investigation of Photocatalytic activity
Abstract: In the present study, cost effective and environment friendly silver nanoparticles were synthesized using Moringa Oleifera leaves extract as the reducing and capping agent. The nanoparticles (AgNPs) were characterized using UV-visble, FT-IR, XRD, and Scanning electron microscopy (SEM) analysis. The surface plasmon resonance peaks in absorption spectra for silver colloidal solution showed an absorption peak at 443 nm in a UV-visible spectrum. From the XRD data, we suggest the occurrence …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 60–68 Read article
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A Comparative Study of Plant Mediated Synthesis of Silver, Copper and Zinc Nanoparticles from Tiliacora acuminata (lam.) Hook. F. and Their Antibacterial Activity Studies
Abstract: Green synthesis of nanoparticles is becoming more and more popular due to its compensation over physical or chemical methods. This research was carried out to the synthesis of nanoparticles employing three different metals (silver nitrate, copper and zinc sulphate) using Tiliacora acuminata (family: Menispermaceae) fruit powder. The synthesized nanoparticles were characterized through the UV-Vis Spectrophotometer, FT-IR and X-Ray Diffraction studies. The antibacterial activity of nanoparticles was studied against disease causing …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 1, 2019 · pp. 72–83 Read article
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Size Dependence of Magnetization of Metal and Metal Oxides Nanoparticles
Abstract: Variation of magnetization of metal and metal oxides nanoparticle is a matter of great debate from last decade. Researchers are still striving for the exact theory to explain this property of materials at the Nano level. In the present work we have analyzed the magnetic properties of Fe3O4, CoFe2O4 and Ni nanoparticles and studied the variation of their magnetization with their sizes. We have also computed the variation of the …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 11, Issue 3, 2021 · pp. 9–17 Read article
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Design of Nanoparticle Drug Delivery System for NonSteroidal Anti Inflammatory Agents in the Treatment of Autoimmune Diseases
Abstract: Aim: The aim of the present study is to develop nanoparticle drug delivery system for naproxen and ibuprofen. Methodology: Ibuprofen nanoparticles were prepared by nanoprecipitation technique. Naproxen nanoparticles were prepared by desolvation technique. By adapting continuous addition method and intermittent addition, five formulations were prepared with each polymer. The obtained nanoparticles were evaluated for particle size, zeta potential, yield, drug content, entrapment efficiency and loading capacity. In vitro drug dissolution …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 23, Issue 1, 2021 · pp. 26–33 Read article
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Review of Nanoparticle Synthesis from Coconut Waste and Their Applications
Abstract: According to the literature survey, the creation of nanoparticles from biodegradable wastes is a method for lowering and recycling the amount of garbage that harms our ecosystem. In the instance of the coconut fruit, the interior white pulp and its water are consumed or used in the production of various products, such as coconut oil, while the entire shell fiber is discarded as waste. Coconut shell extract has been shown …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 25, Issue 1, 2023 · pp. 20–23 Read article
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An eco-friendly synthesis of silver nanoparticles using Stoechospermum marginatum, its characterization and antioxidant study
Abstract: AbstractThe aqueous extract of marine brown seaweed, Stoechospermum marginatum was used for the green synthesis of silver nanoparticles. The silver nanoparticles were formed due to the bio-reduction of silver nitrate to aqueous silver ions in the presence of seaweed extract. The synthesized silver nanoparticles were characterized by UV-Visible Spectrophotometer, Fourier Transform Infrared (FT-IR) Spectroscopyand Atomic Force Microscope (AFM).The synthesised silver nanoparticles have shown moderate antioxidant activity. This method of AgNPs …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 10, Issue 1, 2019 · pp. 1–5 Read article
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Lactoferrin Nanoparticles as Therapeutic Agent for Infectious Diseases
Abstract: Lactoferrin (Lf) is a mammalian cationic iron-binding glycoprotein, present in many mammalian excretions and supporting newborn growth to food and pharmaceutical applications. It possesses antibacterial, antimicrobial, antiviral and antiparasitic activity thus, making it an important part of the host defense system. This review focusses on recent therapeutic advances of the natural bioactive protein Lf and its use as a potential treatment agent. Nanoparticles have been tremendously used for several clinical …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 7, Issue 3, 2018 · pp. 37–40 Read article
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Study of Calcium Oxide Nanoparticles Synthesized by Solvothermal Method
Abstract: Calcium oxide (CaO) nanoparticles have been synthesized by simple solvothermal method using a domestic microwave oven. The reaction of calcium acetate with urea in ethylene glycol and by adding different mole% of manganese acetate as dopant was studied. The structural and optical properties of the proposed nanoparticles were investigated. The structural properties were characterized by powder X-ray diffraction (PXRD) and scanning electron microscopy (SEM) analysis. The average particle size of …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 3, 2019 · pp. 14–19 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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Biosynthesis and Characterization of Zinc Oxide Nanoparticles by using Siris Plant Extract
Abstract: Zinc oxide (ZnO) is an inorganic compound widely used in everyday applications. Present study focuses on the biosynthesis of zinc oxide nanoparticles by zinc nitrate and utilizing the bio components of bark extract of Siris (Albizialebbeck (L.) Benth.). The synthesized nanoparticles were characterized using UV-Visible spectrophotometer, Fourier transform spectroscopy (FT-IR) and Zeta Potential. The nanotechnology has recently gained the attention and vast area for research. The biologically synthesis of nanoparticles …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 6, Issue 2, 2019 · pp. 36–40 Read article
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Comparative analysis of thermal conductivity of the hybrid nanoparticles based sunflower and Jatropha vegetable oil
Abstract: Vegetable oil gained much more interest towards sustainable manufacturing as coolant due to its inherent properties. In this present study, the thermal conductivity of hybrid nanoparticles based sunflower and Jatropha vegetable oil are measured. ZnO-Ag Hybrid nanoparticles were mixed with sunflower and Jatropha vegetable oil in four different volume concentrations of nanofluids ranges from 0.05 to 0.20%. The thermophysical properties viz, thermal conductivity and Stability of prepared hybrid nanoparticles-based vegetable …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 164–171 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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Zn Doped CuO Nanoparticles for Increasing the Longevity of The Agricultural Products †
Abstract: Nanotechnology is an enabling technology at the service of mankind. Indeed, enhancing the long-term storage of agricultural products (post-harvest during transportation and storage) in general and apples and tomatoes, in particular, is a challenge. Zn-doped CuO is a proven nanomaterial with special ability to kill plant pathogens as well as a variety of microorganisms (bacteria, virus, and fungus). Much of the review is focused on the landmark papers published by …
Published in International Journal of Crystalline Materials · Vol. 1, Issue 1, 2024 · pp. 14–29 Read article
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Role of biosynthesized Copper nanoparticles in Agriculture and other fields
Abstract: In the last decades, nanotechnology has emerged as a new field of technology because of its unique qualities. The use of chemicals in medicines and agriculture such as fertilizers, pesticides, herbicides, and insecticides are very harmful to the environment so by the use of this revolutionary technology we can reduce the toxic effects on the environment. However, a biological method is very easy, simple, and free from any chemical hazards, …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 14, Issue 2, 2024 · pp. 39–53 Read article
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Effect of Nano-Prepared N. sativa Seed Extract on Cardiac Tissue Structure in Tartrazine-Treated Male Albino Mice
Abstract: This study investigates the effects of Tartrazine and N. sativa nanoparticles on body weight and cardiac histology in male albino mice. Thirty-six male mice were divided into four groups: a control group receiving physiological saline, a group treated with Tartrazine (20 mg/kg), a group receiving both Tartrazine and N. sativa nanoparticles (100 mg/kg), and a group treated solely with N. sativa nanoparticles (100 mg/kg). The body weights were chronicled before …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 14, Issue 3, 2024 · pp. 119–124 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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Impact of Shape, Size and Crystal Structure on Vacancy Related Properties of Gold Nanoparticles
Abstract: It is necessary to consider defects to explain the electron movement, thermal transport and mechanical properties of materials. In the present study, a simple quantitative model for cohesive energy of nanoparticles is extended to determine the size, shape and crystal structure effect on vacancy formation energy, vacancy entropy, and vibrational frequency in free surface Au nanoparticles. Vacancy entropy variation with size has been studied for spherical, regular octahedral, regular hexahedral …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 223–229 Read article
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Unification and DC Conductivity of PDMS/NiNPs Nanocomposite
Abstract: The DC conductivity of nickel nanoparticles–polydimethylsiloxane (NiNPs–PDMS) composite materials has attracted considerable attention due to their promising applications in flexible electronics, sensors, and energy storage devices. The electrical performance of these composites is largely governed by the formation of conductive networks within the insulating polymer matrix. Incorporating nickel nanoparticles into PDMS introduces conductive pathways that significantly enhance DC conductivity once a critical percolation threshold is reached.Several key factors influence the …
Published in Research & Reviews : Journal of Physics · Vol. 15, Issue 1, 2026 · pp. 28–37 Read article
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Comparative Study of Structural, Optical, Morphological, and Magnetic Properties of BifeO3 Nanoparticles Synthesized Via Green and Chemical Methods
Abstract: BiFeO3 nanoparticles were synthesized via a green route using Strychnos nux-vomica leaf extract and a conventional chemical sol–gel method to study the effect of synthesis routes on their properties. XRD analysis confirmed phase-pure rhombohedral BiFeO3 for both samples. FTIR analysis was carried out to confirm the formation of the perovskite structure and to detect surface functional groups. FESEM analysis indicated a significant effect of phytochemicals in controlling particle growth and …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 16, Issue 1, 2026 · pp. 1–8 Read article
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Synthesis of Copper Oxide Nanoparticles using Ultrasound for the Treatment of Textile Organic Dyes (Reactive Black 5 and Basic Blue 3)
Abstract: This paper describes the ultrasound assisted synthesis of copper oxide (CuO) nanoparticles using copper nitrate trihydrate and ammonium carbonate as reactants. The resultant product, copper carbonate was calcined at 400°C which was chosen based on the thermogravimetric analysis of copper carbonate precipitate. The final product CuO nanoparticles characterized by X-Ray diffraction (XRD), scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDAX), particle size analyzer (PSA) and Brunner-Emmet-Teller surface area analyzer (BET) …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 3, 2015 · pp. 16–22 Read article