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28 articles for “Silver nano particles”
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A Study on the Synthesis and Characterization of Silver Metal Nano Particles with Acrylic Acid– Acrylamide (Aa) Copolymer as Mediating Agent
Abstract: Silver metal nano-particles (MNP) have been synthesized by chemical methods with acrylic acid- acryl amide (AA) copolymer as mediating agent. Formation and interaction of silver metal nano- particles with AA copolymer has been confirmed by ultraviolet–visible (UV-VIS), Fourier Transform Infrared (FTIR) techniques. Thermal and morphological properties of the composite have been studied by Differential Scanning Calorimetry (DSC) and Scanning Electron Microscope (SEM) techniques. Change in intensity together with shift of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 3, 2016 · pp. 1–4 Read article
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Green Synthesis of Silver Nanoparticles Using The Leaf Extract of Micrococca mercurialis. (L.) Benth. and Its Antibacterial Activity
Abstract: In the present study, fresh and powder leaf extracts of Micrococca mercurialis. (L.) Benth. were used for green synthesis of metallic silver nanoparticles (SNPs). The efficacy of SNPs was tested against some human and animal pathogens. Stable SNPs were formed after adding aqueous solution of 1 mM AgNO3 with the fresh and powder leaf extracts. Quantitative analysis of green synthesized SNP was monitored by UV-visible spectroscopy. Bacteriological tests were performed …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 5, Issue 2, 2015 · pp. 21–26 Read article
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Carica papaya Assisted Biosynthesis of Silver Nanoparticles with Antimicrobial Activity
Abstract: Nanoparticles are used immensely due to its small size, orientation, physical properties, which are reportedly shown to change the performance of any other material which is in contact with these tiny particles. These particles can be prepared easily by different chemical, physical, and biological approaches. But the biological approach is the most emerging approach of preparation, because, this method is easier than the other methods, ecofriendly and less time consuming. …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 5, Issue 2, 2015 · pp. 1–3 Read article
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Nanocrystalline Silver–Carbon
Abstract: This study is on the properties of nanocrystalline silver products and examines on the internal relation between silver and carbon particles. Nanocrystalline utilizes nanotechnology to release nanocrystalline silver crystals. Nanocrystalline releases 60 times fewer silver cations than silver–carbon interaction in between strongly. Silver impregnated fast releases dressings release minute concentrations of silver which are quickly bounds up by the chloride in the wound exudates. The silver and carbon ions are …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 9, Issue 2, 2018 · pp. 27–29 Read article
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A Comparative Study on Formaldehyde Detection Capabilities in Pristine Graphene and Ag-doped Graphene Sheet
Abstract: The present work concerns a detailed investigation of the enhanced formaldehyde (also known as methanal) detection by decorating the pristine (or bare) graphene nanosheet with silver (Ag) nano-particle (or foreign Ag atom). The bare graphene sheet was exposed to the formaldehyde vapor forming the formaldehyde-adsorbed pristine graphene sheet (taken as Case-I), and whose results were studied and compared with the outcomes obtained from the formaldehyde-adsorbed Ag-decorated graphene sheet (taken as …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 801–809 Read article
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Silver Nanoparticles Biosynthesis Using Grape Extract and Its Application in Photocatalytic Dye Degradation
Abstract: AbstractGrapes are known for its antioxidant properties. Aqueous grape extract is used in the current study as a reducing and stabilising agent in the production of silver nanoparticles. Silver nanoparticles were synthesized in single step method, at room temperature, under magnetic stirring without application of external energy. Silver nanoparticles are substantial for its application in numerous areas such as medicine, agriculture, food, chemical sector etc. Synthesis and optimization of silver …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 13, Issue 3, 2022 · pp. 1–8 Read article
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Fungal Synthesis of Silver Nanoparticles by an Indigenous Species of Fusarium, Its Antibacterial Activity and Efficacy as Antibiotic Enhancer
Abstract: The investigations on green combination strategies and on its potential applications for the humanity are on incline for more than 10 decades in the field of bioscience. The research on silver nanoparticles by the use of microorganisms is very much popular these days as it is very easily available source for their synthesis. In the present work, an indigenous Fusarium species isolated from soil sample has been used for the …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 8, Issue 3, 2018 · pp. 10–18 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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Green Synthesis and Characterization of Silver Nanoparticle using Leaves of Lawsonia inermis: Antibacterial, Antifungal and Anti-Oxidant Activity
Abstract: Nanotechnology is one of the fastest developing sciences over the past few years. This is an emerging field of modern research dealing with synthesis and designing of particle structure ranging from approximately 1–100 nm. Silver nanoparticles (AgNPs) are known for their tremendous applications in the field of therapeutics and diagnosis. In the present study, we have confirmed that the antibacterial, antifungal and anti-oxidant activity of biosynthesized AgNPs which were synthesized …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 1, 2016 · pp. 11–23 Read article
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MYCOSYNTHESIS OF SILVER NANOPARTICLES AND INVESTIGATION OF THEIR ANTIMICROBIAL ACTIVITY
Abstract: The silver nanoparticles were formed in contact with the cell free filtrate of Alternaria alternata. The nanoparticles were characterised by means of UV-Vis spectrophotometer, Transmission electron microscopy (TEM), Dynamic Light Scattering (DLS), Energy-dispersive X-ray (EDX), X-ray Diffraction (XRD) and Fourier Transform Infra-red Spectroscopy (FTIR). The synthesized silver nanoparticles showed an absorbance maximum at 420 nm in the visible range. Transmission electron microgram and particle size distribution curve showed the formation …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 1, Issue 1, 2011 · pp. 17–26 Read article
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Synthesis of Silver Nanoparticles from Pseuderanthemum malabaricum and Evaluation of Anticancer Activity
Abstract: The present study was focused on eco-friendly and green approach synthesis of silver nanoparticles using plant extracts of P. malabaricum. The morphological and physical properties of synthesized silver nanoparticles were analyzed using various spectroscopic and microscopic studies such as UV visible spectroscopy, FT-IR, XRD, SEM with EDAX, DLS, Zeta potential and Particle size analyzer. After structural characterization, the synthesized silver nanoparticles were subjected to anti-cancer activity studies against cervical cancer …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 21, Issue 2, 2019 · pp. 31–40 Read article
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Bioinformatics-based Preparation and Characterization of Silver Nanoparticles Synthesized from Pterocarpus marsupium
Abstract: Silver nanoparticles were synthesized using Pterocarpus marsupium bark extract in combination with silver nitrate solution through a green synthesis method. Silver nanoparticles formation was confirmed by the formation of dark brown from solution of silver nitrate, where the reduction of silver ion occurs which leads to the formation of silver nanoparticles. The UV–visible spectra showed a peak at 429 nm, confirming the reduction of silver ions and the subsequent synthesis …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 11, Issue 2, 2024 · pp. 21–34 Read article
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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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Green synthesis of Silver nanoparticles using leaf extract of Cyclea peltata and its Antimicrobial activity
Abstract: Nanotechnology is a reliable and enabling environment friendly process for the synthesis of nanoscale particles of structures ranging from approximately 1- 100 nm. Since the chemical synthesis of nanoparticles have adverse effect in medical applications, green synthesis of nanoparticles is in a huge need. Silver is one of the substances used in nanoformulation. Silver nanoparticles were successfully synthesized through silver nitrate through a simple green route using the clean, dried, …
Published in Research & Reviews : Journal of Botany · Vol. 8, Issue 2, 2019 · pp. 1–6 Read article
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Inclusion of Gallium Oxide with Silver Oxide of Tunable Optical Properties for their Unusual Catalytic Performances
Abstract: AgGaO2 nanocomposites were prepared by hydrothermal synthesis. The crystal was assessed using Scherer equation for the as-prepared nanoparticles and annealed samples of AgGaO2 at 40 and 55 nm, respectively. Silver and gallium nitrates were reacted in an alkaline medium using NaBH4, which was used to reduce particle size. The presence of relatively homogeneous nanocomposites was confirmed by X-ray diffraction. Morphological studies were analyzed by transmission and scanning electron microscopy. Vibration …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 2, 2019 · pp. 46–55 Read article
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Biosynthesis, Characterization and Antibacterial Studies of Silver Nanoparticles from Tamil Nadu Major Crop Anacardium occidentale
Abstract: Recent studies have shown that Silver Nanoparticles have physical, optical and catalytic properties. Present work involves the eco-friendly and reproducible synthesis of Silver Nanoparticles from the Anacardium occidentale leaves extract. The synthesized silver Nanoparticle from 1 mM AgNO3 solution through the leaf extract were characterizing was monitored using Ultraviolet-visible (UV-vis) spectrophotometer, Scanning electron microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDX), X-ray powder diffraction (XRD) and Fourier transform infra-red spectroscopy (FT-IR).Scanning …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 20, Issue 3, 2018 · pp. 13–22 Read article
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Comparison of Photocatalytic activity of Various Metallic and Non-metallic doped TiO2 Nano Particles for Treatment of Pharmaceutical Effluent
Abstract: The use of semiconductor oxide particles such as TiO2 as photo catalysts has shown great utility in the complete mineralization of organic compounds present in effluent. The dopant maximize the electron trapping for further inhibiting excitation recombination and thereby enhancing the oxidation of organic compounds. A pilot scale synthesis of TiO2 nano particles has been carried out using the Sol-gel method with various metallic dopants like Iron, Copper, Cobalt, Vanadium, …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 7–14 Read article
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Influence of Crystallization Time by Hydrothermal Synthesis of Ag NPs-Zeolite Composite
Abstract: The nanocomposites Ag NPs-zeolite involve zeolite loaded with silver nanoparticles and have been prepared by an easy one-pot hydrothermal autoclave method. Three samples of silver-bearing zeolite were prepared for 8 hours, 6 hours, and 4 hours, respectively, inside an autoclave at 100°C. A range of characterization procedures were used to examine the samples, such as x-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), UV-visible spectroscopy, and zeta potential. Results …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 80–90 Read article
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A Review on Application of Nanoparticles in Biophysics
Abstract: During last two decades, the development of nanoparticles synthesis and applications studies is the fastest growing branch of science due to their potential applications such as diagnostic and therapeutic agents and others. In this study, we resent the different types of particles and their applications with recent advances in the using of nanoparticles. In this context the Cancer therapy, drug delivery, diagnosis and biological coding are the recent innovation is …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 3, 2018 · pp. 63–65 Read article
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Dielectric Behaviour of Nanosilver and Silver-CNT Hybrid Reinforced Nanocomposites
Abstract: The present study concerns study of the dielectric properties of Ag-CNT vis-à-vis Ag reinforced unsaturated polyester matrix composites. The Ag-CNT hybrid was prepared by mechanical milling. Variation of the dielectric properties has been attributed to the morphological features and the degree of dispersion of the fillers. It has been found that dispersion of Ag-CNT hybrid particle is beneficial for improvement of the dielectric properties.
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 22, Issue 2, 2020 · pp. 30–36 Read article