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42 articles for “silver nanoparticles”
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Synthesis of Zero Valent Silver Nanoparticles by Chemical Reduction Method and its Application
Abstract: Chemical synthesis is one of the commonly used method for nanoparticles synthesis. Different chemicals acts as reducing agents which converts chemical precursor into its nano form. There are various chemical methods for the synthesis of zero valent silver nanoparticles. The silver nitrate is commonly used as precursor, sodium borohydride acts as reducing agent while sodium dodecyl sulphate stabilizes the formation of nanoparticles. The formation of silver nanoparticles was characterized by …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 2, 2021 · pp. 8–17 Read article
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Biogenic Silver Nanoparticles: Utilizing Vitex negundo and Eclipta prostrata for Antimicrobial and Antibiofilm Activity
Abstract: This research unveils a straightforward and environmentally friendly method for producing silver nanoparticles by utilizing leaf extracts from Vitex negundo and Eclipta prostata plants. These nanoparticles are garnering significant interest due to their incorporation of biologically active plant compounds, making them ideal for green synthesis. The study highlights the efficacy of this process in creating nanoparticles with unique biological applications. Furthermore, the synthesized nanoparticles demonstrate promising antimicrobial properties and show …
Published in International journal of Nanobiotechnology · Vol. 10, Issue 1, 2024 · pp. 1–16 Read article
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Trending Aspects of Green Synthesis of Silver Nanoparticles and Their Biomedical Applications: A Review
Abstract: For the past few decades, researchers have been fascinated by nanotechnology and nanoparticles due to their unique physico-chemical characteristics, such as increased surface area, reduced size, and improved reactivity, making them useful for various industrial, scientific, and medicinal applications. Silver nanoparticles are widely used, particularly in the biomedical sciences, since they are less toxic than other metal nanoparticles, meaning that they do not harm healthy human or host cells. They …
Published in International Journal of Green Chemistry · Vol. 11, Issue 1, 2025 · pp. 1–27 Read article
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Biosynthesis of Silver Nanoparticles using Aqueous Extract of Chaetomorpha media (C.Ag.) Kuetzing
Abstract: Chaetomorpha media (C.Ag.) Kuetzing is common green seaweed belongs to the family Chlorophyceae. The aqueous extract of Chaetomorpha media was used for the biosynthesis of Silver Nanoparticles. The Silver Nanoparticles were formed due to the reduction of silver nitrate to aqueous silver ions in the presence of seaweed extract. Silver nanoparticles exhibited dark brown colour in aqueous solution. The synthesized silver Nanoparticles were characterized by UV-Visible Spectrophotometer, Fourier Transform Infrared …
Published in International journal of Nanobiotechnology · Vol. 6, Issue 2, 2020 · pp. 12–18 Read article
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Green Chemistry Approach for the Preparation of Silver Nanoparticles: A Review
Abstract: The word "nanoparticles" refers to particles within a size range of 10 and 100 nm. Nanotechnology is the topic that is growing the fastest because of its applications in science and technology to produce new at the nanoscale range. Silver is the metal of first preference among the various noble metals. The production of silver nanoparticles can be achieved by different methods such as: chemical method, biological method, green synthesis. …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 30–39 Read article
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Seaweed Mediated Biosynthesis of Silver Nanoparticles Using Gracilaria fergusonii J.Ag. Collected From Hare Island, Thoothukudi in the South East Coast of Tamil Nadu, India
Abstract: In the present study silver nanoparticles were synthesized using the aqueous extract of red seaweed Gracilaria fergusonii J.Ag. as the reducing agent. The formation of silver nanoparticles was confirmed by colour change from light yellow to dark brownish red, UV– visible spectroscopy, FT-IR, X-ray diffraction method (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray microanalysis spectroscopy (EDS). The anoparticles showed an absorbance at 442 nm on UV–visible spectroscopy. The …
Published in International Journal of Plant Biotechnology · Vol. 1, Issue 1-2, 2015 · pp. 50–57 Read article
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Biosynthesis of silver nanoparticles using Zingiber officinalae and Evaluation of cervical cancer activity
Abstract: This research focused on evaluating the potential anti-cervical cancer properties of silver nanoparticles (AgNPs) that were synthesized using an aqueous extract derived from the rhizome of Zingiber officinale (ginger). The synthesized silver nanoparticles (AgNPs) were thoroughly characterized using a range of analytical techniques, including Ultraviolet-Visible (UV-Vis) spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), and Field Emission Scanning Electron Microscopy (FESEM).Characterization studies revealed that the synthesized silver nanoparticles (AgNPs) exhibited an average …
Published in International journal of Nanobiotechnology · Vol. 11, Issue 2, 2025 · pp. 1–10 Read article
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Green Synthesis of Silver Nanoparticles using Aqueous Leaf Extract of Artabotrys odoratissimus R.Br.
Abstract: In the present study silver nanoparticles were synthesized using the aqueous leaf extract of Artabotrys odoratissimus R.Br. as the reducing agent. The formation of silver nanoparticles was confirmed by colour change from light yellow to dark brownish red, UV-Visible Spectroscopy, FTIR, X-Ray Diffraction Method (XRD), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray microanalysis spectroscopy (EDS). The nanoparticles showed an absorbance at 475.5nm on UV-Visible spectroscopy. Fourier Transform Infra-Red (FTIR) …
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 1, 2018 · pp. 5–11 Read article
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To study the Properties of Bio Synthesized Silver Nanoparticles
Abstract: Recently colloids silver nanoparticles have attained much attention in global nanotechnology market due to valuable application for catalytic, biomedical, electronics and widely as Antimicrobial agents. In the present work author have synthesized and characterized the Colloids silver nanoparticles with three biosynthesis methods and the detail characterization of particle has been done by UV–Visible spectroscopy, AFM, FTIR, and with DLS techniques. Particles formation was conformed from UV spectra of nanoparticles. Size …
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 1, 2018 · pp. 34–40 Read article
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Fungal-Mediated Synthesis of Silver Nanoparticles Using Fusarium Oxysporum and Their Antimicrobial Evaluation
Abstract: Nanotechnology has shown significant antimicrobial properties in the form of metal nanoparticles like silver, copper, and zinc. Silver nanoparticles (AgNPs) are biosynthesized from the fungus Fusarium oxysporum, isolated from infected ginger, which has antibacterial and antifungal properties. The synthesized AgNPs are reddish brown and have a maximum absorbance of 451 nm. The functional groups of AgNPs are investigated using FTIR analysis. SEM-EDX Shows Shape of Particle Spherical-Rod, Size from 6.13 …
Published in International Journal of Applied Nanotechnology · Vol. 10, Issue 2, 2024 · pp. 1–11 Read article
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Silver Nanoparticles for Enhancement of Antibiotic Antimicrobial Therapy
Abstract: With the current rise in antimicrobial resistance and infections resulting in high mortality and morbidity. There is need for novel strategies to combat these challenges such as nanoparticle technology has offered excellent opportunities. The use of metal nanoparticles such as silver with well-established antimicrobial activity conjugated with other antimicrobials has the potential to overcome the challenge of drug resistance due to its multiple mechanisms of action against microbes. This reveal …
Published in International journal of Nanobiotechnology · Vol. 8, Issue 1, 2022 · pp. 32–39 Read article
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Biosynthesis of silver nanoparticles using aqueous leaf extract of Muntingia calabura Linn.
Abstract: The present study was focused to synthesis silver nanoparticles using the aqueous leaf extract of Muntingia calabura L. as the reducing agent. The formation of silver nanoparticles was confirmed by colour change from light yellow to dark brownish red, UV-Visible Spectroscopy, FT-IR, X-Ray Diffraction Method (XRD), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray microanalysis spectroscopy (EDS). The nanoparticles showed an absorbance at 443nm on UV-Visible spectroscopy. The presence of …
Published in International journal of Nanobiotechnology · Vol. 4, Issue 1, 2018 · pp. 9–15 Read article
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Green Synthesis of Silver Nanoparticles Using Leaf Extract of Calpurnia Aurea and Evaluation of its Antibacterial Activity
Abstract: Synthesis of nanoparticles using plant extracts is an emerging as a new and effective method that avoids the involvement of toxic chemicals. In this study AgNPs synthesized using Calpurnia aurea leaf extracts were evaluated for their antibacterial activity. The green synthesized AgNPs were characterized using analytical instruments like UV–visible, X-ray diffraction (XRD) and Fourier transform infrared (FTIR). The UV-Vis spectra shows surface Plasmon resonance peak present at 429 nm. The …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 2, 2021 · pp. 25–33 Read article
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Evaluation of Antimicrobial Efficacy of Silver Nanoparticles Synthesized from Punica gratum Extracts
Abstract: Nanotechnology is a branch of science which has open many routes of technologies. With the rapid development of nanotechnology, application has been extended further and now silver is the engineered nanomaterial most commonly used in consumer products. Green nanotechnology is an area with significant focus at present on the important objective of facilitating the manufacture of nanotechnology-based products that are eco-friendly and safer for all beings, with sustainable commercial viability. …
Published in International Journal of Plant Biotechnology · Vol. 2, Issue 1, 2016 · pp. 1–9 Read article
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Floral System Act as a Reservoir for Nanobiotechnology (Silver Nanoparticles)
Abstract: The coming era of Nanotechnology is considered the first book on the topic of nanotechnology. It consists of processing of separation, consolidation and deformation of materials by one atom or by one molecule. There are two main approaches used in nanotechnology such as 1) “bottom-up” approach in which materials or devices are built from components and assemble themselves chemically by the principles of molecular recognition 2) “top-down” approach reflects the …
Published in International journal of Nanobiotechnology · Vol. 1, Issue 1-2, 2015 · pp. 5–7 Read article
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Biosynthesis of Silver Nanoparticles for Mosquito Control
Abstract: Biological synthesis of nanoparticles has received increased attention due to a growing need to develop environmentally benign technologies in material synthesis. In present work, silver nanoparticles (AgNps) were synthesized intracellular by using Pseudomonas aeruginosa sp. The silver nanoparticles were characterized by transmission electron microscopy (TEM), UV–Visible spectroscopy (UV). Larvicidal activities of silver nanoparticles were analyzed as per the standard procedures. The P. aeruginosa synthesized AgNPs were found effective against the …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 1, 2017 · pp. 6–11 Read article
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Current applications for functionalized silver nanoparticles: A Review
Abstract: Nanotechnology in today’s scenario plays a pivotal role in various fields. Metal nanoparticles are becoming important in various disciplines of catalytic application, environmental remediation, etc. Functionalization of metal nanoparticles has been performed either by biomolecules or chemical functional groups that not only provide stability to the nanoparticles but also surface functionalities which makes them important for various applications. Silver nanoparticles are functionalized with amino acids in order to achieve a …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 1, 2020 · pp. 6–13 Read article
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Silver Nanoparticle Ink for Rapid prototyping in Printed Electronics
Abstract: Now a day, Printed Electronics technology is very popular all over the world. It is very flexible and cost effective technology. It can replace the traditional technologies. By this technology, one can convert the rigid circuit board into flexible circuit board by printing the circuit on any substrate with the help of nanosilver conductive ink. The conductivity of nanosilver ink increases as the particle size is very small in nanometers. …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 1, 2016 · pp. 17–20 Read article
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Biosynthesis of Silver Nanoparticles Using Plant Extract
Abstract: In recent years, research in nanotechnology deals with the development of environmental-friendly processes for the synthesis of stable nanoparticles, possessing well-defined shapes, and controlled narrow sizes. Additionally, due to a vast demand for precious metals (like silver) in the fields such as electronics and catalysis, recovery of silver from both primary and secondary sources is of most significance. Biological recovery of precious metals with the formation of their nanoparticles is …
Published in International Journal of Plant Biotechnology · Vol. 1, Issue 1-2, 2015 · pp. 12–17 Read article
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Green Synthesis of Silver Nanoparticles from Trapa bispinosa Fruit Extract: Characterization and Promising Antimicrobial Activity Against Multidrug-Resistant Pathogens
Abstract: Silver nanoparticles (Ag NPs) are widely recognized for their applications in medicine, electronics, and environmental remediation. This study presents a new green synthesis method for Ag NPs using Trapa bispinosa fruit extract as a natural reducing agent and stabilizing agent. Characterization of the synthesized Ag NPs through X-ray diffraction (XRD) confirmed a crystalline structure consistent with the face-centered cubic (fcc) arrangement, with peaks at (111), (200), (220), (311), and (222), …
Published in International Journal of Applied Nanotechnology · Vol. 11, Issue 1, 2025 · pp. 38–46 Read article