Biological synthesis of silver nanoparticles. Medical search. Frequent questions

In this research silver nanoparticles (AgNPs) were synthesized from silver nitrate (AgNO 3 ) aqueous solution through eco-friendly plant leaf broth of Ocimum sanctum as reactant as well as capping agent and stabilizer. (hindawi.com)
The FTIR results indicated that the leaf broths containing the carboxyl, hydroxyl, and amine groups are mainly involved in fabrication of silver AgNPs and proteins, which have amine groups responsible for stabilizing AgNPs in the solution. (hindawi.com)
Silver nanoparticles (AgNPs) have attracted significant interest due to their wide variety of applications and their unique optical, electrical, and thermal properties [ 2 - 4 ]. (hindawi.com)
In the synthesis of AgNPs, numerous chemical, biological, and physical methods have been developed. (hindawi.com)
The objective of this study was to find out a cost-effective and eco-friendly technique for biological synthesis of AgNPs using Ocimum sanctum leaf broth. (hindawi.com)
Among the various ENMs, silver nanoparticles (AgNPs) have become one of the most explored nanotechnology-derived nanostructures and have been intensively investigated for their unique physicochemical properties. (mdpi.com)
The biological synthesis of silver nanoparticles (AgNPs) was conducted using date palm pit aqueous extract. (unboundmedicine.com)
The first visible sign of the synthesis of AgNPs was the change in colour of reaction mixtures from yellowish to reddish brown. (unboundmedicine.com)
AU - Khatami,Mehrdad, AU - Pourseyedi,Shahram, PY - 2015/7/31/entrez PY - 2015/8/1/pubmed PY - 2015/11/7/medline SP - 184 EP - 90 JF - IET nanobiotechnology JO - IET Nanobiotechnol VL - 9 IS - 4 N2 - The biological synthesis of silver nanoparticles (AgNPs) was conducted using date palm pit aqueous extract. (unboundmedicine.com)
The silver NPs (AgNPs), gold NPs (AuNPs), and bimetallic NPs (AgAuNPs) were synthesized from root extract and characterized using ultraviolet-visible spectra, X-ray diffraction (XRD), energy-dispersive spectrometry (EDS), transmission electron microscopy (TEM), and dynamic light scattering (DLS). (dovepress.com)
Bioreduction of silver nitrate (AgNO 3 ) and chloroauric acid (HAuCl 4 ) were confirmed at absorbances of 440 nm (AgNPs), 570 nm (AuNPs), and 540 nm (AgAuNPs), respectively. (dovepress.com)
This is the first report on rapid and efficient synthesis of AgNPs, AuNPs and AgAuNPs from P. zeylanica and their effect on quantitative inhibition and disruption of bacterial biofilms. (dovepress.com)
The present chapter aims to overview the application of silver nanoparticles (AgNPs) in photocatalysis and biomedical field. (intechopen.com)
The SEM images of pure hydrogel C 12 Ala (a) and enriched by silver nanoparticles AgNPs (b). (poznan.pl)
Silver nanoparticles (AgNPs) show effective antimicrobial activity against wide range of disease demonstrated by Fusarium oxysporum fungus. (ijsr.net)
Even though there are many metal NPs were investigated [8], silver nanoparticles (AgNPs) are considered to be the best due to the fact that the disadvantages of AgNPs are negligible as compared to its advantages [9]. (nanomedicine-rj.com)
Green nanoparticle synthesis" refers to the process of creating nanoparticles using renewable resources The purpose of this research is to evaluate green nanoparticles' (AgNPs) biological activity as a potential broadly available, cost-effective antibacterial and anticancer treatment. (ac.ir)
Biosynthesis methods are the most promising and efficient among numerous synthetic ways for silver nanoparticles (AgNPs). (springeropen.com)
Our work showed a rapid, eco-safety and suitable method for the synthesis of AgNPs from Eruca sativa and Spinacia oleracea leaf extract and can be used in pharmaceutical and other biomedical applications. (ijbiotech.com)
Silver nanoparticles (AgNPs) have been the topics of researchers because of their unique properties. (relx.com)
Thus, this review presents various synthesis methods of AgNPs and its application in different sectors. (relx.com)
Silver nanoparticles (CT-AgNPs) were synthesized from the extracts of blue flowers of Clitoria ternatea (CT). (archbreastcancer.com)
The synthesized CT-AgNPs were characterized by various physicochemical methods that revealed the size, shape, and stability of the nanoparticles. (archbreastcancer.com)
Toxicity analysis of CT-AgNPs in Artermia nauplii and Vigna radiata seedlings confirmed that these nanoparticles were not toxic to both the model systems. (archbreastcancer.com)
In vitro antioxidant and cytotoxicity analysis by using MCF-7 breast cancer cell lines revealed that CT-AgNPs were potent antioxidant and cytotoxic, correlating with the results of in silico analysis and hence demonstrating the anticancer potential of Clitoria ternatea floral mediated nanoparticles. (archbreastcancer.com)
Extract of berries was used for reduction of silver nitrate into silver nanoparticles (AgNPs). (ijcmas.com)
Due to multiple applications of Silver nanoparticles (AgNPs) various biological methods are gaining recognition for their production. (ijcmas.com)
Objective: to clarify the benefits related to the use of silver nanoparticles (AgNPs) in the prevention of dental caries in children, we compared the antibacterial properties of silver nanoparticles, chlorhexidine, and silver diamine fluoride (SDF) to Streptococcus mutans. (bvsalud.org)
Some studies indicate that the antibacterial mechanism of the silver nanoparticles (AgNPs) relays on their ability to penetrate the bacterial cell wall, causing direct and indirect lipidic peroxidation, which damages the cell membrane, disrupts the DNA replication, and repairs and inhibits the respiratory protein 4,5 . (bvsalud.org)
The size reduction of the AgNPs involves an increase in the contact surface, which is an important condition for the antimicrobial effects of silver and could prevent black staining in teeth, as occurs after application of silver diamine fluoride (SDF). (bvsalud.org)

Gold nanoparticles can vary in shape and size depending on the pH of the ion solution. (wikipedia.org)
Gericke and Pinches (2006) reported that for V. luteoalbum small (cc.10 nm) spherical gold nanoparticles are formed at pH 3, larger (spherical, triangular, hexagon and rods) gold nanoparticles are formed at pH 5, and at pH 7 to pH 9 the large nanoparticles tend to lack a defined shape. (wikipedia.org)
Biosynthesis of silver and gold nanoparticles using Brevibacterium casei. (scienceopen.com)
XRD analysis of the silver and gold nanoparticles confirmed the formation of metallic silver and gold. (scienceopen.com)
Further analysis carried out by Fourier Transform Infrared Spectroscopy (FTIR), provides evidence for the presence of proteins as possible biomolecules responsible for the reduction and capping agent which helps in increasing the stability of the synthesized silver and gold nanoparticles. (scienceopen.com)
The thesis entitled "The Role of Liposomal Hybrids and Gold Nanoparticles in the Efficacious Transport of Nucleic Acids and Small Molecular Drugs for Cancer Nanomedicine" elucidates the preparation of various liposomal formulations of cationic monomeric and gemini lipids where hydrophobic domains were consisted of tocopherol, cholesterol and pseudoglyceryl backbone for the cellular transport of nucleic acids. (iisc.ac.in)
The thesis continues while elucidating the role of various pH sensitive molecules and gold nanoparticles in liposomes to improve the delivery efficacy levels. (iisc.ac.in)
This thesis also elucidates the role of gold nanoparticles stabilized with natural pH sensitive molecules for efficacious drug delivery applications. (iisc.ac.in)
Additionally, the role of such pH sensitive gold nanoparticles in association with liposomes for the co-delivery of drug and gene has been discussed. (iisc.ac.in)

The ion solution is then monitored for 2 to 3 days for the formation of nanoparticles. (wikipedia.org)
Transmission electron microscopy showed the formation of nanoparticles in the range of 10-50 nm (silver), and 10-50 nm (gold). (scienceopen.com)
Different phytochemicals with various functional groups assisting the formation of nanoparticles during green synthesis are also summarized here. (nanomedicine-rj.com)

Silver nitrate is the most widely used source of silver ions, but silver sulfate has also been utilized. (wikipedia.org)
A facile and ecofriendly green method has been developed for the synthesis of silver nanoparticles from silver nitrate using gum ghatti ( Anogeissus latifolia ) as a reducing and stabilizing agent. (springeropen.com)
In this work, olive leaf waste was valorized by silver nitrate to produce silver nanoparticles (OLAgNPs), which exhibited various biological, antioxidant, anticancer activities against three cancer cell lines, and antimicrobial activity against multi-drug resistant (MDR) bacteria and fungi. (mdpi.com)
Silver, Copper and Zinc nanoparticles showed greater antibacterial activity compared to silver nitrate, copper sulphate and zinc sulphate solution. (ijcrar.com)

With development of nanotechnology, the biological synthesis process deals with the synthesis, characterization, and manipulation of materials and further development at nanoscale which is the most cost-effective and eco-friendly and rapid synthesis process as compared to physical and chemical process. (hindawi.com)
Top down method is the method of synthesizing nanoparticles in nanoscale level by plastic deformation from large sized patterns [17]. (nanomedicine-rj.com)

By optimizing the reaction conditions, we could achieve nearly monodispersed and size controlled spherical nanoparticles of around 5.7 ± 0.2 nm. (springeropen.com)
The present study demonstrates an unprecedented green process for the production of spherical-shaped Au and Ag nanoparticles synthesized and stabilized using a bacterium, Brevibacterium casei. (scienceopen.com)
The nanoparticles obtained from Papaya Peel extract were spherical shape with an average diameter of 3-5 nm. (omicsonline.org)
The UV spectroscopy at a wavelength at 400 nm was 0.539 A.U., transmission electron microscope showed nanoparticles were homogeneous with a square and spherical shape, its average size 20 nm, The capping material and the existence of silver nanoparticles were confirmed using Fourier transform infrared spectroscopy, and energy dispersive X -ray spectroscopy. (springeropen.com)
Fourier-transform infrared (FT-IR), X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDS), selected area electron diffraction (SAED) results confirmed the crystalline nature while transmission electron microscopy (TEM) analysis revealed the shape of polydispersed nanoparticles were predominantly spherical. (ajgreenchem.com)
The silver nanoparticles were irregular spherical in shape. (ijcmas.com)
The synthesized silver nanoparticles were spherical in clusters. (ijcmas.com)

The present study aimed at the biosynthesis of silver nanoparticles by using aloe Vera leaves extract. (ac.ir)
The present work had the goal of screening a batch of 20 fungal strains, isolated from sugar cane plantation soil, in order to identify those capable of biosynthesis of silver nanoparticles. (springeropen.com)
Four strains were found to be capable of biosynthesis of silver nanoparticles. (springeropen.com)
This research study discuses the rapid photosensitized biosynthesis of silver nanoparticles using aqeous extract of seeds of Xanthium strumarium. (ajgreenchem.com)

The green synthesis of metal and metal oxide nanoparticles (NPs), notably from plants, has attracted increasing attention in recent years. (springeropen.com)
The metal oxide nanoparticles are promising materials as use biomedical applications due to their exhibit unique physicochemical and biological properties. (ijbnb.com)
In this biogenic method presence of some biomolecules or phytochemicals that react as both capping or stabilizing and reducing of metal oxide nanoparticles (Stankic et al. (ijbnb.com)

As a result, some novel methods have recently developed using (i) biologically derived reducing agents such as chitosan, glucose, and polysaccharides, (ii) microbes such as bacteria and fungus, and (iii) a variety of plant (seed and leaf as well as tuber) extracts for the synthesis of metal nanoparticles. (hindawi.com)
The synthesized silver nanoparticles had significant antibacterial action on both the Gram classes of bacteria. (springeropen.com)
Then silver nanoparticle loaded with sodium alginate beads were tested for removal of pathogenic bacteria from water. (ijsr.net)
The biological methods have been employed various resources of plants, bacteria, fungi and algae, etc. (ijbnb.com)
The biogenic synthesis method use of plants, microorganisms like bacteria, fungi, algae, yeast and natural raw materials of vegetable and fruits are used for synthesis of nanoparticles (Rajendran et al. (ijbnb.com)
Microbial-synthesized silver nanoparticles have a potential application to combat multidrug-resistant bacteria, especially in the intensive care unit. (springeropen.com)
Recently, biosynthetic methods employing both biological microorganisms such as bacteria and fungus or plants extract have developed speedily as a trouble-free and feasible choice to obtain nanomaterials alternative to more complex chemical synthetic procedures. (ijbiotech.com)
Furthermore, nanoparticles are alternative to antibiotics viewing better action against multidrug opposing bacteria and consequently, plant derived nanoparticles proved better to other methods ( 17-19 ). (ijbiotech.com)
Iron oxide nanoparticle (IONP)-based available clinical applications are RNA/DNAextraction and detection of infectious bacteria andviruses. (encyclopedia.pub)
Silver nanoparticles provide a huge increase in the surface area available for the continuous release of a low level of silver ions to provide protection against bacteria. (elgalabwater.com)
Silver nanoparticles as antimicrobial agent: a case study on E. coli as a model for Gram-negative bacteria. (elgalabwater.com)
The effect of different positively charged silver nanoparticles against bacteria, fungi and mammalian cell line. (ac.ir)

15 ] and others [ 16 - 18 ] synthesized silver nanoparticles using Ocimum sanctum leaf extract which showed significant antibacterial activity against E. coli and Staphylococcus aureus . (hindawi.com)
However, there is a limited production of new antibiotic lines, so using new materials like nanoparticles (NPs) which have high antibacterial activity, is a promising solution to this problem. (springeropen.com)
Nanoparticles prepared from these seed extracts have antibacterial activity. (ijcrar.com)
Synthesized silver, copper and zinc nanoparticles shows antibacterial activity against the selected bacterial species. (ijcrar.com)
When antibacterial activity of silver, copper and zinc nanoparticles from 3 different concentrations were observed, nanoparticles have 150 µl concentration shows maximum activity against these microbes. (ijcrar.com)

The synthesized silver nanoparticles show effective antimicrobial properties along with many other potential bioactivities. (nanomedicine-rj.com)

With the advent of modern nanotechnology in the 1980s, fungi have remained important by providing a greener alternative to chemically synthesized nanoparticle. (wikipedia.org)
Current research has shown that microorganisms, plant extracts, and fungi can produce nanoparticles through biological pathways. (wikipedia.org)
The most common nanoparticles synthesized by fungi are silver and gold, however fungi have been utilized in the synthesis other types of nanoparticles including zinc oxide, platinum, magnetite, zirconia, silica, titanium, and cadmium sulfide and cadmium selenide quantum dots. (wikipedia.org)
citation needed] For fungi that synthesize intracellular silver nanoparticles, the hyphae darken to a brownish color while the solution remains clear. (wikipedia.org)
Among all biological resources, fungi present higher tolerance and metal bioaccumulation abilities, which are advantageous characteristics for the production of nanoparticles (Mandal et al. (springeropen.com)
2006 ). Another benefit of using fungi in nanoparticle synthesis is the ease in the scale-up which makes the entire process more cost-effective (Rahimi et al. (springeropen.com)
2016 ). Given that fungi are extremely efficient secretors of extracellular enzymes, it is thus possible to easily obtain large-scale production of nanoparticles (van den Hondel et al. (springeropen.com)
Greener biological methods, using microbes, plants or fungi 5,6 have also become popular. (elgalabwater.com)

2016). Fig. 1, shows graphical abstract of biogenic synthesis of ZnO NPs. (ijbnb.com)

Prasad CH, Srinivasulu K, Venkateswarlu P (2015) Catalytic Reduction of 4-Nitrophenol Using Biogenic Silver Nanoparticles Derived from Papaya ( Carica papaya ) Peel extract. (omicsonline.org)
However, the advantages of biogenic method synthesis of ZnO NPs is free chemical, eco-friendly and cost-effectively. (ijbnb.com)
In this review is focused on the biogenic synthesis of ZnO NPs and their biomedical applications. (ijbnb.com)
Mycogenic synthesis of nanoparticles is a green biogenic process preferable to other alternatives. (springeropen.com)

Intracellular gold nanoparticle synthesis has been demonstrated by a Verticillum species, V. luteoalbum, In addition to gold and silver, Fusarium oxysporum has been used to synthesize zirconia, titanium, cadmium sulfide and cadmium selenide nanosize particles. (wikipedia.org)
XRD confirmed that the silver particles formed in our experiments were in the form of nanocrystals. (unboundmedicine.com)
The biological activities of the synthesized particles were confirmed based on their stable anti-coagulant effects. (scienceopen.com)
Nanoparticles (NPs) result in superior chemical reactivity, biological activity, and catalytic behaviour than their own larger particles [2, 6]. (nanomedicine-rj.com)
The word "nanoparticle" (NP) refers to the very small particles that are made in a wide range of industrial physicochemical processes. (ac.ir)
Silver nano particles was synthesized using Ipomoea quamoclit leaf extract. (aijr.org)
Silver Nanoparticles are particles of silver between 1 nm and 100 nm in diameter. (elgalabwater.com)
Titanium dioxide (TiO2) particles, including nanoparticles with diameters smaller than 100 nm, are used extensively in consumer products. (cdc.gov)
Although fine particles (diameters between 0.1-3 m) of TiO2 are known to be biocompatible, some of the research conducted on TiO2 nanoparticles (diameters smaller than 100 nm) has suggested potential toxicological impacts because they possess physicochemical properties different from the bulk. (cdc.gov)

Extracellular gold nanoparticle synthesis was demonstrated by Fusarium oxysporum, Aspergillus niger, and cytosolic extracts from Candida albican. (wikipedia.org)

A possible mechanism involved in the reduction and stabilization of nanoparticles has been investigated using Fourier transform infrared spectroscopy and Raman spectroscopy. (springeropen.com)

Nanotechnology is a branch of science and technology which concerns with the development of process for the design, synthesis, and manipulation of particle structure, different shape, size, and controlled disparity. (hindawi.com)
Nanotechnology involves making nanoparticles (NPs) with different shapes, sizes, and controlled distributions so that they can be used in a variety of ways [1-3]. (ac.ir)
Iron oxide nanoparticle (IONP)-based technologies are catalyzing rapid developments in nanotechnology. (encyclopedia.pub)

The goal of this project is to rapidly develop antibacterial and antiviral agents based on various copper oxides and silver nanoparticles, alone or combined with zinc oxide, by simple and environmentally-friendly synthesis methods. (irsst.qc.ca)
Recently, the zinc oxide nanoparticles (ZnO NPs) had been reported large band gap energy and binding energy which important physicochemical feature has potential applicable for various biological applications like anticancer, anti-diabetic, antibacterial, antifungal, wound healing, anti-inflammatory, antioxidant and optic, etc. (ijbnb.com)
Several methods have been proposed the synthesis of zinc oxide nanoparticles (ZnO NPs) such as precipitation, hydrothermal, vapor deposition, thermal decomposition, microwave, sol-gel, electrochemical depositions and laser ablation, (Kahouli et al. (ijbnb.com)
Current study was aimed to determine the antibacterial, antioxidant and cytotoxic potential of Titanium dioxide nanoparticles (TiO2NPs) and Zinc oxide nanoparticles (ZnONPs). (bvsalud.org)

Cadmium sulfide nanoparticle synthesis for F. oxysporum was conducted using a 1:1 ratio of Cd2+ and SO42− at a 1 mM concentration. (wikipedia.org)
The influence of concentration of gum and reaction time on the synthesis of nanoparticles was studied. (springeropen.com)
The impact of dichlorofluorescein silver nanoparticles (DCF-SNPs) on the germination percentage of V. radiata has shown that, the 25% concentration of DCF-SNPs is excellent for the growth of Mung seeds (V. radiata). (intechopen.com)
Overall, the dichlorofluorescein silver nanoparticles may be constructive for improving the percentage of seed germination at 25% of its concentration and may also be useful for fluorescent measurement using the confocal microscopy technique. (intechopen.com)
An efficient reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) in the presence of Ag NPs and NaBH4 was observed and was found to depend upon the nanoparticle size or the peel extract concentration used for synthesis. (omicsonline.org)
Furthermore, the structure, position, and amount of Ag nanoparticles supported on ZnO nanowire arrays could be further rationally tailored by changing the reaction parameters such as the category, concentration of reagents, and annealing temperature. (rsc.org)
Some other disadvantages of these methods include energy consumption, slow synthesis and requirement of high concentration [22-24]. (nanomedicine-rj.com)
The antimicrobial activity was found to be directly related to the nanoparticles concentration. (springeropen.com)

This advocates that TiO 2 Nanoparticles may considerably change antioxidant metabolisms in seed germinations. (nature.com)

In addition, the proteins or polysaccharides or secondary metabolites found in leaf extracts can reduce the Ag + ions to Ag 0 state and form silver nanoparticles [ 1 ]. (hindawi.com)
Titanium dioxide nanoparticles (TiO 2 NPs) were prepared by Caricaceae (Papaya) Shell extracts. (nature.com)
Transmission electron microscopy (TEM) was used to characterize the morphology of the nanoparticles obtained from plant extracts. (ijbiotech.com)

Environmentally toxic or biologically hazardous reducing agents are typically involved in the chemical synthesis of nanoparticles so there has been a search for greener production alternatives. (wikipedia.org)
Synthesis of nanoparticles using biological methods is referred as greener synthesis of nanoparticles. (ijcrar.com)
As the fabrication of nanomaterial using physiochemical methods have hazardous and toxic impacts on the environment, there is a vital demand for an innovative and well organized, Eco-friendly, sustainable and greener synthetic protocol for their synthesis by applying safer, renewable and inexpensive materials. (ajgreenchem.com)

The research team intends to evaluate the biological effectiveness of antiviral agents prepared on various types of surfaces of protective materials (cotton, cotton/polyester). (irsst.qc.ca)

Eruca sativa and Spinacia oleracea plants were used to evaluate their extra cellular potential synthesis of silver nanoparticles and their bactericidal impact on Streptococcus pneumoniae and Pseudomonas aeruginosa . (ijbiotech.com)
The rise of bacterial and fungal resistance against antimicrobials has promoted research of bactericidal nanomaterials, especially in the well-known area of silver ions and silver-based compounds, including silver nanoparticles (Jiravova et al. (springeropen.com)
Silver nanoparticles have found a wide range of applications including their use as catalysts, as optical sensors of zeptomole (10−21) concentrations, in textile engineering, in electronics, in optics, as anti-reflection coatings, and most importantly in the medical field as a bactericidal and therapeutic agent. (elgalabwater.com)
The bactericidal effect of silver nanoparticles. (elgalabwater.com)

The mechanisms of antimicrobial properties of silver nanoparticles are also assessed. (nanomedicine-rj.com)

Due to their unique physicochemical properties, metal nanoparticles with a dimension of approximately 1-100 nm have received considerable attention in last few decades [ 1 ]. (hindawi.com)
Nanoparticles (NPs) are the building blocks responsible for nanotechnology's applicative properties. (springeropen.com)
Silver nanoparticles (NPs) have shown remarkable potential for numerous applications in chemical, electronic , medical, and biological fields due to their distinctive properties, when compared to their bulk counterparts [ 1 - 3 ]. (omicsonline.org)
It has been proposed that the formation of ZnO nanowire arrays tip-grafted with Ag nanoparticles could promote the effective separation and directional transfer of photoexcited electron-hole pairs, and thus enhance the photoconversion properties. (rsc.org)
The particular distinctiveness like size, allocation and shape give the nanoparticles different properties from the bulk material. (ijbiotech.com)
Silver nanoparticles are of great interest because of the unique (e.g., size and shape depending optical, electrical, and magnetic properties) which can be incorporated into antimicrobial applications, biosensor materials, composite fibers, cryogenic superconducting materials, cosmetic products and electronic components. (aijr.org)
Such technologies are important at POC (point of care) diagnosis.IONPs can play a key role in these perspectives.Although there are various methods for synthesis of IONPs,one of the most crucial goals is to control size and properties with high reproducibility to accomplish successful applications.Using multiple characterization techniques to identify and confirm the oxide phase of iron can provide better characterization capability. (encyclopedia.pub)
It is very important to understand the in-depth IONP formation mechanism, enabling better control over parameters and overall reaction and, by extension, properties of IONPs.This workprovides an in-depth overview ofdifferent properties, synthesis methods, and mechanisms of iron oxide nanoparticles (IONPs) formation, and the diverse range of theirapplications. (encyclopedia.pub)
Differentcharacterization factors and strategiesto confirm phase purity in the IONP synthesis field are reviewed.First, properties of IONPs and various synthesis routes with their merits and demerits are described. (encyclopedia.pub)
In conclusion, we present a detailed overview on the properties, size-controlled synthesis, formation mechanisms and applications of IONPs. (encyclopedia.pub)
Fenugreek ( Trigonellafoenum-graecum ), Green peas ( Pisum sativum L.) and Peanut ( Arachis hypogaea L.) were used for the synthesis of silver, copper, and zinc nanoparticles and determine the antibacterial properties of these nanoparticles against Escherichia coli ( E. coli ), Pseudomonas aeruginosa , Staphylococcus aureus , Salmonella typhi and Klebsiella pneumoniae . (ijcrar.com)
12 . Thakur used photosynthesis at room temperature with walnut bark in a pure-water medium (ELGA Purelab flex) to generate silver nanoparticles with antibacterial properties. (elgalabwater.com)
Newly engineered nanoparticles (NENPs) are synthesized nanoparticles that are 1-100 nm in size and possess unique properties that help plants combat abiotic and biotic stress factors efficiently. (ansfoundation.org)
Silver nanoparticles have unique phytochemical properties and activities compared to their whole parent material. (ijcmas.com)

Aqueous solutions of chloroaurate ions for Au and Ag(+) ions for silver were treated with B. casei biomass for the formation of Au nanoparticles (AuNP) and Ag nanoparticles (AgNP). (scienceopen.com)
8 ) reported on the synthesis of clean spiky nanoparticles of silver and gold by the reduction of Ag + and Au 3+ ions by Neem ( Azadirachta indica ) leaf broth. (ijbiotech.com)
Assembling of nanoparticles and to study the effect of rate of bioreduction of Ag + ions this conventional approach appears to be very cost effective. (ajgreenchem.com)
A mechanistic study of the antibacterial effect of silver ions on Escherichia coli and Staphylococcus aureus. (elgalabwater.com)

Silver nanoparticles (Ag NPs) synthesized by the green method have shown several applications such as biomedical, anticancer, etc. (ac.ir)
9]. Synthesis of Ag NPs was performed at the biochemistry laboratory of the Biomedical Engineering Department at the University of Technology in Iraq. (ac.ir)
The biological macromolecules based hydrogels containing therapeutic substances are used in a wide range of biomedical applications including wound healing, tissue engineering, cosmetics and contact lenses. (bvsalud.org)

The unpredictable outcomes attained from the application of titanium dioxide nanoparticles can designate the positive as well as negative influences of this matter 28 Other reports stated that titanium dioxide nanoparticles reserved chlorophyll as well as carotenoid at optimum temperature 29 . (nature.com)
Fabrications of titanium dioxide nanoparticles are often luxurious, and methods used in the procedure need high energies 32 . (nature.com)
In this current study, a microwave-assisted acid digestion method has been specifically designed to improve the recovery of titanium in TiO2 nanoparticles for quantitative analysis using ICP-OES. (cdc.gov)

The peaks in XRD pattern are in good agreement with that of face-centered-cubic (FCC) form of metallic silver. (hindawi.com)
In both cases the browning reaction is attributed to the surface plasmon resonance of the metallic nanoparticles. (wikipedia.org)
Broadly speaking, there are Top-down and Bottom-up approaches for the synthesis of metallic nanoparticles (Fig. 2). (nanomedicine-rj.com)

Among them, plant leaf extract mediated biological process has attracted much attention due to the simple and inexpensive protocol [ 9 - 12 ]. (hindawi.com)

Over the recent years, biosynthesis method has been widely studied for stable metal nanoparticles synthesis with controlled size and shape and considered as a "green" approach [ 5 - 8 ]. (hindawi.com)
Therefore there has been a search for inexpensive, reliable, safe, and "green" approach to the synthesis of stable metal nanoparticles with controlled size and shape. (hindawi.com)
Preliminary dichlorofluoresceine nanoparticles (DCF-SNPs) synthesis evidence by noticing the solution color transformed from a light green color to a dark brown color. (intechopen.com)
A facile and green method is described for the synthesis of Silver (Ag) nanoparticles (NPs) from the extract of Papaya Peel as capping and reducing agent. (omicsonline.org)
An environmentally benign solvent and eco-friendly capping and reducing agents are the three fundamental elements for a completely green synthesis technique. (omicsonline.org)
Accordingly, many researchers have turned toward biological systems such as microorganisms and plants to draw inspiration for green technologies [ 6 - 13 ]. (omicsonline.org)
Plant mediated green synthesized silver nanoparticles are usually preferred due to its advantages over other metal nanoparticles viz. (nanomedicine-rj.com)
The industries preferably employ green synthesized nanoparticles for manufacturing its products [2, 7]. (nanomedicine-rj.com)
Nowadays green synthesis of nanoparticles is accepted widely because of its simple, non-toxic, rapid, stable nature and also less expensive [18]. (nanomedicine-rj.com)
2016). Thus, reasons recently several researchers have been focused on green chemistry method synthesis of ZnO NPs, because of their eco-friendly, less toxic chemical and one step synthesis of nanoparticles. (ijbnb.com)
In place of harmful physical and chemical processes, green synthesis provides a viable alternative [13-15]. (ac.ir)
Contrary to popular belief, "green" does not relate to the colour green, but rather to the process of making nanoparticles out of metal salts by using the reducing property of biologically active compounds [16,17]. (ac.ir)
The green approach of nanoparticles through plant's extract is presently drawing pronounced deals of attention due to their eco-friendly and financial dispensation, scalable, pure surfaces in chemical and greatest considerably their utilization in biology as well as medicines. (nature.com)
Most of the reported green synthesis methods using plants took more than 1 hour for the formation of colloidal silver ( 11 , 12 ). (ijbiotech.com)
This green synthesis method is alternative to chemical method, since it is cheap, pollutant free and eco-friendly. (ijcrar.com)
A number of researchers have investigated green techniques for preparing silver nanoparticles. (elgalabwater.com)
Green silver nanoparticles offer a reliable and secure alternative to drugs and prevent cancer. (archbreastcancer.com)

Synthesis and characterization of silver preparation of Ag NPs were performed according to the procedure described by [9]. (ac.ir)

Hence, dichlorofluorescein silver nanoparticles (DCF-SNPs) are proposed as an efficient detection system for nanoparticles in agrochemicals for plants. (intechopen.com)
Medicinal plants are very popular in different traditional systems of medicines due to their diverse pharmacological potentials and lesser side effects in biological systems. (researchgate.net)
The use of plants for the synthesis of nanoparticles is novel and provides a cost effective and environmentally friendly alternative to chemical and physical synthesis. (aijr.org)
2010 ). A vast array of biological resources is available for this synthesis process, including: plants and plant products (Mittal et al. (springeropen.com)

UV-visible spectroscopy, transmission electron microscopy and X-ray diffraction analytical techniques were used to characterize the synthesized nanoparticles. (springeropen.com)

The white-rot fungus Phanerochaete chrysosporium has also been demonstrated to be able to synthesize elemental selenium nanoparticles. (wikipedia.org)
Various mechanisms to synthesize silver nanoparticles are explored here to analyse its formations in the most efficient method. (nanomedicine-rj.com)
2016 ). Their high demand makes it essential to develop environmentally benign procedures to synthesize silver nanoparticles for industrial and clinical purposes. (springeropen.com)
There are many ways to synthesize silver nanoparticles including physical, chemical, and biological methods. (elgalabwater.com)

Although the increased popularity use of Cymbopogon citratus as a therapeutic substance, to date, there has not been any research on the chemistry of C. citratus aqueous leaf extract (ALE) or synthesis of ZnO NPs utilizing an extract from it. (springeropen.com)

As the silver nanoparticles are encapsulated with functional group rich gum, they can be easily integrated for various biological applications. (springeropen.com)

Although several factors acting together may determine the biological synthesis reaction, the identification of the most active biomolecules as reducing and stabilizing agents is essential in choosing the best technical parameters to be employed in the biosynthesis (Duschak 2016 ). (springeropen.com)

Biologically synthesized silver nanoparticles, are nontoxic for humans (in low concentrations), and safe inorganic antibacterial agents that have been shown to exhibit a strong toxicity to a wide range of microorganisms since ancient times (Shanthi et al. (springeropen.com)

All the findings confirm that the ZnO NPs biosynthesized in the current work are promising candidates for a variety of biological activities, and as a result, they can be helpful to the medical sector, environmental and agricultural applications. (springeropen.com)
Silver nanoparticles form an important part of metal nanoparticles, with wider range of applications in diverse areas of science. (nanomedicine-rj.com)
In generally, nanoparticles synthesis have been use chemical method, which process is involving toxic chemicals for reducing and capping agent its leads to side effects in aquatic environment as well as human health care applications. (ijbnb.com)
We also describe characterization of these nanoparticles and various applications in detail. (encyclopedia.pub)
Biosynthesis of nanoparticles: technological concepts and future applications. (elgalabwater.com)
Nanoparticles have been known to be used for abundant physical, biological, and pharmaceutical applications. (relx.com)

2-6] In addition, over the last couple of decades, TiO2 has emerged as one of the top five nanoparticles used in consumer products. (cdc.gov)
These limits provide no distinction for the different toxicity of TiO2 nanoparticles compared to larger ones. (cdc.gov)

Traditional chemical methods of synthesizing silver nanoparticles include the use of ethylene glycol, pyridine, and sodium borohydride. (hindawi.com)
NPs are very important because they have superior physico-chemical and biological characteristics compared to the bulk material. (springeropen.com)
Although numerous methods are envisaged for silver nanoparticle synthesis, the most conventional ones are physical and chemical methods [21]. (nanomedicine-rj.com)
According to the literature survey have been reported, the toxic chemicals are used through the physical and chemical synthesis of ZnO NPs, which techniques are required high energy, and more expensive its leads hazardous to health risk (Vijayan et al. (ijbnb.com)
Synthesis of nanoparticles using plant extract supplies progression more than chemical and physical method as it is cost helpful, environment safety, simply scaled up for great range production and in this process there is no requirement to use high pressure, power, temperature and poisonous chemicals ( 6 ). (ijbiotech.com)
techniques include chemical reduction with borohydride, electro-reduction in the presence of polyethylene glycol, ultrasound to induce sonochemical reduction of an aqueous silver solution in an atmosphere of argon-hydrogen. (elgalabwater.com)

Using Pseudomonas aeruginosa supernatant is an easy and cheap method in silver nanoparticle biosynthesis. (springeropen.com)
Antibacterial potential of nanoparticles was analyzed by standard disc diffusion method against bacterial strains including Escherichia coli, Pseudomonas aeruginosa, and Klebsiella pneumonia. (bvsalud.org)

It involves the synthesis and manipulation of particle structure with a dimension of less than 100 nanometers in diameter [1]. (nanomedicine-rj.com)

The swift development of antimicrobial and antiviral textiles will not only better protect workers in the sectors most affected by viruses and microbes, but will also extend the life of such equipment through better biological protection during a pandemic. (irsst.qc.ca)
Interestingly, biosynthesized silver nanoparticles are the promising key to eliminate these microbes. (springeropen.com)

The main objective of this study was to investigate whether dichlorofluorescein (DCF) is adequate for the formulation of stable dichlorofluorescein-induced silver nanoparticles under the boiling method to analyze their effects on the seed germination of Mung seeds (Vigna radiata). (intechopen.com)
I investigated the synthesis of silver nanoparticles through biological method. (ijsr.net)
Herein, we demonstrate that uniform Ag nanoparticles could be directionally grafted on the tip of ZnO nanowire arrays by a simple photo- reduction method. (rsc.org)
In bottom-up method nanoparticles are formed by the self-assembly of miniaturized atomic components [19, 20]. (nanomedicine-rj.com)
Generally, the conventional method synthesis of ZnO NPs has involved toxic hazardous chemicals and afterwards which leads to myriad health risks as well as environment. (ijbnb.com)
In this alternative method of plant parts mediated synthesis is a very less cost effective, ecofriendly and an easily to handling procedure. (ijbnb.com)
Referable to the growing demand of nanoparticles, it is essential to build up synthetic method which is profitable, environmentally sustainable and which can substitutes with effective and competent technology to synthesis environmentally benign nanoparticles (NPs). (relx.com)

Generally plant mediated synthesis of metal oxide or ZnO nanoparticles are most preferred because of highly purities, less toxic effect, stable and possible to large scale production. (ijbnb.com)

The Nanoparticles were analyzed by UV-Vis spectrums, X-ray diffractions, and energy-dispersive X-rays spectroscopy analyses with a scanning electron microscope. (nature.com)
The biosynthesised nanoparticles were characterised by UV-vis spectroscopy, scanning electron microscopy, EDX, and XRD. (springeropen.com)
Further investigation of the formation of nanoparticle was monitored periodically by UV-Vis spectroscopy. (ajgreenchem.com)
Nanoparticles were characterized by UV-Vis spectrophotometry, particle size analyzer (PSA), fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). (bvsalud.org)

Magnetic Iron Oxide Nanoparticle Synthesis" Encyclopedia , https://encyclopedia.pub/entry/2835 (accessed December 02, 2023). (encyclopedia.pub)

Extraction methods of butterfly pea (Clitoria ternatea) flower and biological activities of its phytochemicals. (archbreastcancer.com)

The nanometallic dispersions were characterized by surface plasmon absorbance measuring at 420 and 540 nm for Ag and Au nanoparticles, respectively. (scienceopen.com)

These clearly reveal that the structure of the synthesized silver nanoparticles was face centered cubic. (omicsonline.org)

The wide-spread use of silver nanoparticles has led to concerns about their toxicity which has been reported to cause various environmental and health problems. (elgalabwater.com)

The average grain size of silver nanoparticles is found to be 29 nm. (hindawi.com)
A nanoparticle is defined as having one dimension 100 nm or less in size. (wikipedia.org)
DLS showed nanoparticles with an average size of 27 nm. (unboundmedicine.com)
Purified dichlorofluoresceine nanoparticles (DCF-SNPs) measure an average diameter of 293 nm where the majority of nanoparticles were around 159 nm in size with the surface load of-9.35 mV zeta potential value. (intechopen.com)
Measurement of the size of silver nanoparticles by AFM (showing an average diameter of 54 nm), XRD and FE-SEM analyses. (ac.ir)
The surface area to volume ratio of nanoparticles is quite large which have 1-100 nm size. (relx.com)
and TEM shows that synthesized nanoparticles having size of 94±29 nm. (ijcmas.com)

Anatomy7

Organisms16

Chemicals and Drugs35

Analytical, Diagnostic and Therapeutic Techniques and Equipment26

Phenomena and Processes15

Disciplines and Occupations3

Technology, Industry, Agriculture18

Information Science1

Health Care2

AgNPs30

Gold nanoparticles9

Formation of nanoparticles3

Nitrate4

Nanoscale2

Spherical7

Biosynthesis of silver nanoparticles4

Metal oxide nanoparticles3

Bacteria12

Antibacterial activity5

Show effective antimicrobial1

Fungi8

Abstract1

Biogenic4

Particles9

Demonstrated by Fusarium oxysporum1

Investigated using Fourier tr1

Nanotechnology3

Zinc oxide4

Concentration8

Antioxidant1

Extracts3

Greener3

Antiviral Agents1

Bactericidal4

Antimicrobial properties1

Properties14

Ions4

Biomedical3

Titanium3

Metallic3

Extract mediated1

Green17

Characterization of silver1

Plants4

Diffraction1

Synthesize4

Therapeutic1

Various biological1

20161

Microorganisms1

Applications6

TiO22

Chemical6

Pseudomonas2

Manipulation of particle structure1

Microbes2

Method7

Stable1

Spectroscopy4

20231

Methods1

Dispersions1

Face-cente1

Toxicity1

Size7