Metal nanoparticlesTransmission electron mExtractNanomaterialsBiosynthesis of silver nanoparticlesFormation of nanoparticles2016BiogenicIonsBiologically synthesizedCharacterization of silverAbstractSynthesizeBiomedical applicationsAntibacterial activityCytotoxicityMetallicSpectroscopyConcentrationsSpherical in shapeBactericidalAqueous solutionStabilizeReduction of silverStabilizationCatalysisFunctional groupsColloidalExtractsAgNO3Particles rangingNanoscaleMechanismsConcentration of silverNano silver particlesAnticancer activitiesZetaCatalyticGreenSizeVarious biologicalPropertiesAdvantagesBiological systemsToxicityConventional2019NanobiotechnologyNanotechnologyPseudomonasCharacterizeReactionBiofilm
Metal nanoparticles9
- Metal nanoparticles able to bind diverse molecules to their surface was due to their relative surface area and size, making them ideal transport vehicles capable of penetrating cell and tissue barriers[ 2 ]. (ijpsonline.com)
- Metal nanoparticles have proven to be the excellent catalysts for inorganic synthesis, pollution treatments and fuel cell, due to their quantum effect, high surface-tovolume ratio and surface energy [ 14 - 16 ]. (omicsonline.org)
- Silver nanoparticles form an important part of metal nanoparticles, with wider range of applications in diverse areas of science. (nanomedicine-rj.com)
- Plant mediated green synthesized silver nanoparticles are usually preferred due to its advantages over other metal nanoparticles viz. (nanomedicine-rj.com)
- Metal nanoparticles have a high specific surface area and surface atoms, because of their outstanding physicochemical characteristics, including optical, catalytic, electronic, magnetic and antibacterial properties. (toutelachirurgieesthetique.fr)
- Synthesis of metal nanoparticles is enormous due to their potential applicability in different areas such as electronics, chemistry, energy, and medicine development (Saxena et al. (toutelachirurgieesthetique.fr)
- Biosynthesis of noble metal nanoparticles is a vast developing area of research. (upm.edu.my)
- Layered Double Hydroxides and Metal Nanoparticles" Encyclopedia , https://encyclopedia.pub/entry/30715 (accessed December 07, 2023). (encyclopedia.pub)
- Artificially designed heterostructures formed by close conjunctions of plasmonic metal nanoparticles (PNPs) and non-plasmonic (2D) lamellar nanostructures are receiving extensive interest. (encyclopedia.pub)
Transmission electron m7
- 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)
- high-resolution transmission electron microscopy and various techniques characterized the synthesized AgNPs. (ijpsonline.com)
- The nanoparticles were characterized by scanning electron microscopy, transmission electron microscopy, UV-visible spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction, dynamic light scattering, Zeta potential and X-ray spectroscopy. (springeropen.com)
- Findings UV-visible spectroscopy (UV-vis), dynamic light scattering (DLS) and transmission electron microscopy (TEM) characterization demonstrated that the synthesized AgNPs were spherical particles ranging in size from 35 to 42.5 nm. (edu.au)
- Various techniques used to characterize synthesized nanoparticles are dynamic light scattering, transmission electron microscopy (TEM), energy diffraction X-ray, and ultravioletâ€"visible (UV Vis) spectrophotometer were performed to characterize synthesized AgNPs. (greenpharmacy.info)
- The cyanobacterial silver nanoparticles (CSNPs) were characterized by UV-Vis spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and Fourier transform infrared (FTIR) analysis and were further tested for antibacterial and cytotoxic efficiency. (japsonline.com)
- The synthesized AgNPs' characterization was analyzed using UV-Vis spectrophotometry, energy dispersive X-ray spectroscopy, scanning electron microscopy, fourier transformed infrared spectroscopy, transmission electron microscopy, and elemental mapping. (degruyter.com)
Extract22
- In this study, silver nanoparticles were synthesized using leaf extract of Leonotis nepetifolia (L). Gas chromatography-mass spectrometry data showed a total of 13 phytochemical constituents identified from ethanolic leaf extract of Leonotis nepetifolia (L). The effect of physicochemical factors such as the reaction time, temperature, concentration of Silver nitrate, concentration of leaf extract and pH in the synthesis of silver nanoparticles. (ijpsonline.com)
- For biosynthesis, the optimal conditions were 1 mM silver nitrate, 0.1 ml of leaf extract at 80° for 90 min. (ijpsonline.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)
- 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)
- The nanoparticles obtained from Papaya Peel extract were spherical shape with an average diameter of 3-5 nm. (omicsonline.org)
- 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)
- The present study enlightens the synthesis of silver nanoparticles in an echo-accommodating way by using aqueous Aloe vera leaf extract (AVLE) and evaluate its antimicrobial potential. (ijbiotech.com)
- Biosynthesis, Characterization, and Antibacterial Activity of Silver Nanoparticles Derived from Aloe barbadensis Miller Leaf Extract', Iranian Journal of Biotechnology , 18(2), pp. 74-81. (ijbiotech.com)
- We hypothesized that, due to the presence of oxalic acid, cacao extract is capable of reducing silver nitrate (AgNO 3 ) to produce AgNPs. (edu.au)
- Experiments In this study, AgNPs were synthesized by using natural cacao extract as a reducing and stabilizing agent. (edu.au)
- This present study for the first time reports a facile and ecofriendly route for synthesis of Silver nanoparticles by using the extract of berries of Pimenta dioica . (ijcmas.com)
- Extract of berries was used for reduction of silver nitrate into silver nanoparticles (AgNPs). (ijcmas.com)
- Fourier-transform infrared (FT-IR) study was used for identifying the compounds responsible for the reduction of silver ions, the functional groups present in the plant extract. (greenpharmacy.info)
- In addition, the antimicrobial activity of prepared AgNPs was found to be higher than plain extract using various Gram-positive and Gram-negative bacteria. (greenpharmacy.info)
- Conclusions: From the results, it can be concluded that green synthesis of AgNPs from L. camera extract is easy, fast, one step, eco-friendly, and alternative conventional methods. (greenpharmacy.info)
- After 20 min, the color of the solution (leaf extract + Ag+) changed from light yellow to dark brown, indicating the formation of AgNPs. (toutelachirurgieesthetique.fr)
- An aqueous solution (0.01 mM) of silver nitrate (AgNO3) and various concentrations of leaf extract from 1 to 5 ml were prepared separately. (toutelachirurgieesthetique.fr)
- 80] have prepared AgNPs using white grape pomace aqueous extract (WGPE) as both reducing and capping agent, Laura et al. (toutelachirurgieesthetique.fr)
- 81] had biosynthesized silver nanoparticles using Murraya koenigii (curry leaf) extract as the reduction and stabilizing agent. (toutelachirurgieesthetique.fr)
- In the present study, silver nanoparticles (Ag-NPs) were synthesized from aqueous silver nitrate through a simple and biosynthetic route using water extract of Curcuma longa (C. longa) tuber powder, which acted simultaneousl as a reductant and stabilizery. (upm.edu.my)
- In the present work, the silver nanoparticles were successfully synthesized by cell-free extract of freshwater cyanobacteria, i.e. (japsonline.com)
- In the recent research, silver nanoparticles (AgNPs) were formulated by the Panax ginseng aqueous extract. (degruyter.com)
Nanomaterials4
- Silver nanoparticles (AgNPs) are one of the popular nanomaterials that have been progressively becoming a section of our daily lives (Singh and Sahareen 2017 ). (springeropen.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)
- For the synthesis of nanomaterials, two approaches are used: top-down approaches and bottom-up approaches. (springeropen.com)
- By contrast, nanomaterials with two dimensions are usually nanoparticles applied on a substrate, nanoporous alumina wires or tubes, and nanoporous thin films. (springeropen.com)
Biosynthesis of silver nanoparticles4
- This method appears promising for the biosynthesis of silver nanoparticles by using Aloe vera with potent bactericidal activity, thus suggesting its role in clinical therapeutics and other fields. (ijbiotech.com)
- 2008). Coll Surf B 98:112-119, Gopinath V, Mubarak Ali D, Priyadarshini S, Meera Priyadharsshini N, Thajuddin N, Velusamy P (2012) Biosynthesis of silver nanoparticles from Tribulus terrestris and antimicrobial activity: a novel biological approach. (toutelachirurgieesthetique.fr)
- 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)
Formation of nanoparticles2
- Different phytochemicals with various functional groups assisting the formation of nanoparticles during green synthesis are also summarized here. (nanomedicine-rj.com)
- This review also highlights the potential use of bitter apples in the food industry as well as their application in nanotechnology for the formation of nanoparticles. (biomedcentral.com)
20164
- 2016 ). This study was conducted to analyze the anticancer effects of green-synthesized AgNPs using Juniperus polycarpos on A549 (adenocarcinomic human alveolar basal epithelial cells) cell lines, as well as comparing it with Cisplatin commercial drug. (springeropen.com)
- 2016 ). Their high demand makes it essential to develop environmentally benign procedures to synthesize silver nanoparticles for industrial and clinical purposes. (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)
- 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)
Biogenic3
- We had compared the cytotoxicity of biogenic silver nanoparticles with that of synthetic silver nanoparticles. (ijpsonline.com)
- Numerous investigations have shown that the biogenic Silver Nanoparticles (AgNPs) exhibited their therapeutic role in cancer as anticancer agents[ 6 ]. (ijpsonline.com)
- Mycogenic synthesis of nanoparticles is a green biogenic process preferable to other alternatives. (springeropen.com)
Ions6
- Silver nanoparticles (AgNPs) act primarily through a process known as oxidative dissolution, wherein Ag+ ions are released through an oxidative mechanism. (wikipedia.org)
- The combination of silver ions' reaction with biomolecules with oxidative stress, ultimately leads to toxicity in biological environment. (wikipedia.org)
- It is speculated that Ag+ ions from AgNPs interfere with AMO's copper bonds by replacing copper with Ag+ causing a decrease in enzymatic activity, and thus nitrification. (wikipedia.org)
- Surface Structure of Silver Nanoparticles as a Model for Understanding the Oxidative Dissolution of Silver Ions. (wikipedia.org)
- We report a visual detection of Cr(VI) ions using silver-coated gold nanorods (AuNR@Ag) as sensing probes. (springeropen.com)
- In addition to being able to release silver ions, silver nanoparticles can themselves kill bacteria. (bettyshoe.com)
Biologically synthesized1
- 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)
Characterization of silver1
- J Ind Eng Chem 20(6):4169-4175, Zhang W, Qiao X, Chen J (2006) Synthesis and characterization of silver nanoparticles in AOT microemulsion system. (toutelachirurgieesthetique.fr)
Abstract2
- abstract = "Hypothesis Silver nanoparticles (AgNPs) have emerged as a powerful weapon against antibiotic resistant microorganisms. (edu.au)
- Abstract We report the use of Polystyrene/Ag (PS/Ag) nanoparticles as dynamic surface-enhanced Raman spectroscopy (dynamic-SERS) substrates for sensitive detection of low levels of organophosphorus pesticides. (docksci.com)
Synthesize5
- Microbial biosynthesis of the AgNPs using the supernatant is an easy and cheap method to synthesize NPs with specific size and morphology shapes. (springeropen.com)
- Numerous chemical and physical methods have traditionally been used to synthesize silver nanoparticles, but they are limited due to use of toxic and harmful chemicals, thus drew researchers' attention towards the biosynthesis of the silver nanoparticles by using medicinal plant. (ijbiotech.com)
- Introduction: To synthesize silver nitrate nanoparticles (AgNPs) using aqueous leaf extracts of Lantana camara as a reducing agent and evaluates its antimicrobial activity. (greenpharmacy.info)
- Various mechanisms to synthesize silver nanoparticles are explored here to analyse its formations in the most efficient method. (nanomedicine-rj.com)
- Freshwater cyanobacteria are able to synthesize nanoparticles, intracellularly as well as extracellularly. (japsonline.com)
Biomedical applications1
- Cyanobacteria-mediated silver nanoparticles synthesis approach has proven to be more efficient and eco-friendly in achieving biomedical applications compared to physical and chemical prototypes. (japsonline.com)
Antibacterial activity4
- 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)
- The antibacterial activity of AV-AgNPs was measured by disc diffusion method and exhibits significant antibacterial activity against both gram-positive and gram-negative bacteria. (ijbiotech.com)
- The synthesized AgNPs showed significant antibacterial activity against clinically relevant pathogens such as Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus and Staphylococcus epidermidis. (edu.au)
- The green synthesized AgNPs were characterized by using UV-Vis spectrophotometry, Fourier transform infrared (FT-IR), and Scanning electron microscopy (SEM), and screened for their antibacterial activity by using Agar diffusion method. (ajgreenchem.com)
Cytotoxicity2
- AgNPs have potentially vast applications within the fields of medicine, science, and food and drug industries due to their antimicrobial properties, low cytotoxicity in humans, and inexpensive cost. (wikipedia.org)
- We conclude that cacao-based synthesis is a reproducible and sustainable method for the generation of stable antimicrobial silver nanoparticles with low cytotoxicity to human cells. (edu.au)
Metallic4
- This leads to the pesticide-induced aggregation and the change of the absorption spectrum of metallic nanoparticles upon high-salt concentrations, which can be monitored with unaided eye or absorbance measurement. (hindawi.com)
- Broadly speaking, there are Top-down and Bottom-up approaches for the synthesis of metallic nanoparticles (Fig. 2). (nanomedicine-rj.com)
- Functional polymers were previously employed to minimize the susceptibility of metallic nanoparticles (MNPs) for aggregation. (cambridge.org)
- Silver/Ag nanoparticle is a kind of metallic silver with nano scale particle size. (bettyshoe.com)
Spectroscopy6
- 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)
- The synthesis was confirmed by UV-Vis spectroscopy maximum absorbance at 400 nm while SEM showed spherical morphology with an average particle size 20-24 nm. (ijbiotech.com)
- The synthesis of CSNPs was confirmed through visible color change and shift of peaks at 430-445 nm by the UV-Vis spectroscopy. (japsonline.com)
- Ag nanoparticles as dynamic surface-enhanced Raman spectroscopy substrates for sensitive detection of organophosphorus pesticides. (docksci.com)
- Received date: 13 January 2014 Revised date: 23 March 2014 Accepted date: 29 March 2014 Cite this article as: Pan Li, Yiping Wu, Honglin Liu, Liangbao Yang, Jinhuai Liu, Polystyrene/Ag nanoparticles as dynamic surface-enhanced Raman spectroscopy substrates for sensitive detection of organophosphorus pesticides, Talanta, http://dx.doi.org/10.1016/j.talanta.2014.03.075 This is a PDF file of an unedited manuscript that has been accepted for publication. (docksci.com)
- The biosynthesised nanoparticles were characterised by UV-vis spectroscopy, scanning electron microscopy, EDX, and XRD. (springeropen.com)
Concentrations3
- Treatment of pancreatic and ovarian with different concentrations of silver nanoparticles inhibited the cell viability with half maximal inhibitory concentration values of 25.4 μg/ml and 23.9 μg/ml. (ijpsonline.com)
- Importantly, these green AgNPs are not cytotoxic to human dermal fibroblasts (HDFs) at concentrations below 32 μg/ml. (edu.au)
- Nano Silver can be used at much lower concentrations and can penetrate biofilms with ease. (bettyshoe.com)
Spherical in shape2
- The silver nanoparticles obtained had absorbance maxima at 398 nm, were spherical in shape, had an average particle size of 11.32 nm, polydispersity index 0.44, the zeta potential of -23.75.69 mv and were crystalline. (ijpsonline.com)
- The silver nanoparticles were irregular spherical in shape. (ijcmas.com)
Bactericidal1
- Among the reported antimicrobial properties of different metal NPs, it was found that AgNPs exhibited prominent bactericidal and fungicidal activity [17, 18]. (nanomedicine-rj.com)
Aqueous solution1
- Afterward, the obtained catechol functionalized polymer was used for in-situ synthesis and stabilization of silver nanoparticles (Ag-NPs) in aqueous solution. (cambridge.org)
Stabilize2
- The carboxyl or hydroxyl groups on the alginate reagent form complexes during the synthesis of the AgNPs that stabilize the reaction. (wikipedia.org)
- They contain many important phytochemicals, which can reduce, stabilize and act as capping agents in the nanoparticle synthesis. (nanomedicine-rj.com)
Reduction of silver1
- The FTIR spectra showed a new peak at the range of 3,400-3,460 cm−1 compared to control, confirming the reduction of silver nitrate. (japsonline.com)
Stabilization1
- FTIR analysis was performed to classify the biomolecules in Pedalium murex which were responsible for reduction of the metals and for the stabilization of nanoparticles. (toutelachirurgieesthetique.fr)
Catalysis2
- Herein, we will discuss a green method through photo catalytic catalysis synthesis of formulating cellulose Nano fiber gels embedded with silver Ag NPs. (charlotteteachers.org)
- In this research, researchers cover the available PNPs/LDH heterostructures, from the most used noble-metals plasmonic of Au and Ag to the novel non-noblemetals plasmonic of Cu and Ni, mainly focusing on their synthesis strategies toward establishing a synergistic response in the coupled nanounits and relevant applications in plasmonic catalysis. (encyclopedia.pub)
Functional groups2
- Results and Discussion: From the FTIR study, it was confirmed the presence of some functional groups capping the AgNPs. (greenpharmacy.info)
- FT-IR spectrum indicates the presence of different functional groups in capping the nanoparticles with C. longa. (upm.edu.my)
Colloidal5
- Nanoscale structures and materials such as nano?bers, colloidal nanoparticles, nanorods, nanowires, nanotubes and nanozymes have been investigated in many areas such as food safety, biosensing, molecular imaging, delivery of drugs, tissue engineering and anticancer treatment[ 3 - 5 ]. (ijpsonline.com)
- Using the bottom up method, materials containing desired precursors mixed in a control setting, colloidal solutions of cellulose Nano fibers with increasing amounts of silver nitrate were used to prepare 3-D fiber infused gels with silver Ag NPs. (charlotteteachers.org)
- The general method of synthesizing silver nanoparticles in chemical reduction is as colloidal dispersions in water or organic solvents (Sharma et al. (toutelachirurgieesthetique.fr)
- Which is better nano silver or colloidal silver? (bettyshoe.com)
- Colloidal silver cannot be used with other beneficial agents and has a weak effect on the biofilm. (bettyshoe.com)
Extracts6
- The current study evaluated the anti-cancer properties of bio-functionalized silver nanoparticles fabricated by Juniperus chinensis leaf extracts. (springeropen.com)
- A variety of procurement techniques have been utilized for the synthesis of silver NPs, among which, the usage of plant extracts are more attractive due to the availability of more biological entities, eco-friendly procedures, cost-effectiveness, abundance, renewability, and safety for human therapeutic use (Kumar and Yadav 2009 ). (springeropen.com)
- This study aimed to investigate the antibacterial activities of green synthesized silver nanoparticles by using three Nigerian fresh leaf extracts (Justicia secunda, Telfairia occidentalis, and Jatropha tanjorensis) on clinical and environmental bacterial isolates. (ajgreenchem.com)
- In conclusion, the green synthesized AgNPs by using fresh Justicia secunda, Telfairia occidentalis, and Jatropha tanjorensis leaf extracts have antibacterial properties with therapeutic potential in treatment, management, and/or prevention of bacterial infections, and may be promising source for the development of chemotherapeutic (antibiotic) agents in the future. (ajgreenchem.com)
- Nabikhan A., Kandasamy K., Raj A. and Alikunhi N.M (2010) Synthesis of antimicrobial silver nanoparticles by callus and leaf extracts from saltmarsh plant, Sesuvium portulacastrumL, Colloids Surf B: Biointerfaces, vol. (toutelachirurgieesthetique.fr)
- This is one of the advantages of nanoparticles synthesized using plant extracts over those synthesised using chemical methods. (toutelachirurgieesthetique.fr)
AgNO31
- AgNPs are synthesized using microwave irradiation, gamma irradiation UV activation, or conventional heating of the precursor silver nitrate, AgNO3 using an alginate solution as a stabilizing and reducing agent. (wikipedia.org)
Particles ranging1
- The synthesis of silver nanoparticles (Ag NPs) can yield particles ranging in size from 1 to100 nm. (charlotteteachers.org)
Nanoscale2
- Top down method is the method of synthesizing nanoparticles in nanoscale level by plastic deformation from large sized patterns [17]. (nanomedicine-rj.com)
- Nano Silver is a metal Silver with a particle size of nanoscale. (bettyshoe.com)
Mechanisms3
- Further, this study elucidated the cellular and molecular mechanisms of nanoparticles for anti-proliferative and apoptotic effects on human lung cancer cells (A549) and compared them with commercial drug cisplatin. (springeropen.com)
- The mechanisms of antimicrobial properties of silver nanoparticles are also assessed. (nanomedicine-rj.com)
- The underlying mechanisms of nanoparticles biosynthesis is yet to be fully elucidated. (springeropen.com)
Concentration of silver2
- The optimum synthesis of AV-AgNPs showed at a 1mM concentration of silver nitrate, 5:95 ratio of AVLE to silver nitrate solution, pH 8 at ambient temperature for 24 hours. (ijbiotech.com)
- Scanning electron microscope (SEM) images also elucidate the formation of Ag-NPs with the relatively small sizes of the nanocomposite at a high concentration of silver nitrate. (cambridge.org)
Nano silver particles2
- Some nano silver particles develop protective Ag3OH surface groups and it is thought that dissolution removes these groups and forms oxygen radicals, which attenuate reactivity of the AgNPs by entering into the lattice to form a highly stable Ag6O octahedral structure. (wikipedia.org)
- It can be predicted that as a new material, nano-silver particles will have a very broad development prospect in the fields of medicine, biology, environment and so on. (bettyshoe.com)
Anticancer activities2
- 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)
- A huge data evidenced that numerous phytochemicals compounds such as flavones, lignins, and terpenes can trigger anti-microbial and anticancer activities of Phyto-synthesized AgNPs (Gopinath et al. (springeropen.com)
Zeta2
- 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)
- The size of the spherical nanoparticle was 12.96 nm with negative zeta potential. (springeropen.com)
Catalytic3
- The present study investigated the ability of aquatic weed Eichornia in green synthesis of silver nanoparticles and the catalytic efficacy of the thus made nanoparticles in degradation of azodyes, a major class of industrial pollutants. (ajgreenchem.com)
- The catalytic efficacy of the nanoparticle was then spectrophotometrically monitored. (ajgreenchem.com)
- Nanoparticles (NPs) result in superior chemical reactivity, biological activity, and catalytic behaviour than their own larger particles [2, 6]. (nanomedicine-rj.com)
Green8
- 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)
- Overall, the results revealed that the green-synthetized AgNPs had anti-metastasis and anti-proliferation effects on lung cancer cells in comparison to cisplatin with lower side effects on the normal cell line. (springeropen.com)
- An environmentally benign solvent and eco-friendly capping and reducing agents are the three fundamental elements for a completely green synthesis technique. (omicsonline.org)
- Our result showed that the green synthesized AgNPs from the three Nigerian vegetables exhibited the moderate antibacterial potentials against selected clinical and environmental bacterial isolates. (ajgreenchem.com)
- In this research study, we reported a convenient and environmentally friendly method for the green synthesis of silver nanoparticles using Citrus sinensis (navel orange) peel. (ajgreenchem.com)
- Various bioactivity studies connected with green synthesized AgNPs comprising of antimicrobial, antifungal, biocompatibility, anti-inflammatory, anticancer, antioxidant, larvicidal, effect on Seed germination and growth are briefly outlined in this article. (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)
Size13
- Nanoparticle size and shape can be specified by changing the ratio of alginate to silver nitrate used and/or the pH. (wikipedia.org)
- Oxidative dissolution of AgNPs has been shown to be a first order reaction with respect to both silver and hydrogen peroxide and is independent of particle size. (wikipedia.org)
- The main advantages of the biosynthesis methods are rapid, easy, and non-toxic, which can form the AgNPs with well-defined size, high stability and solubility, and high yield by optimizing the biosynthesis conditions [ 3 ]. (springeropen.com)
- and TEM shows that synthesized nanoparticles having size of 94±29 nm. (ijcmas.com)
- The average particle size of the prepared AgNPs was found to be 86 nm. (greenpharmacy.info)
- 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)
- The size of the nanoparticle differs from intracellularly and extracellularly synthesized particles, i.e., 10 nm to 100-200 nm, respectively. (japsonline.com)
- So, the COVID-19 possesses characteristics of ultra-small size, large specific surface, both hydrophilicity and lipophilicity, that just as all of the nanoparticles. (clinmedjournals.org)
- Due to the surface effect and quantum size effect, silver nanoparticles also have some special applications, such as surface-enhanced Raman applications and medical applications. (bettyshoe.com)
- Nanosilver is a powdered silver elemental, particle size is less than 100nm, generally between 25-50nm. (bettyshoe.com)
- The properties of silver nanoparticles are directly related to their particle size. (bettyshoe.com)
- Most of the nano silver has a particle size around 25 nm. (bettyshoe.com)
- The work of this dissertation seeks to enhance the understanding of DNA-driven nanoparticle assembly and introduce kinetic routes to control mesoscale crystal habit and size. (northwestern.edu)
Various biological1
- Due to multiple applications of Silver nanoparticles (AgNPs) various biological methods are gaining recognition for their production. (ijcmas.com)
Properties11
- Moreover, down-regulation of MMP2/MMP9 scratch and matrigel assays revealed anti-metastatic properties of AgNPs. (springeropen.com)
- AgNPs are utilized for treating different types of cancerous cells due to their extraordinary biomedical features (anti-cancer, anti-bacterial, anti-viral, and anti-angiogenic properties) as well as surface-specific characteristics (Burdușel et al. (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)
- The AgNPs synthesized in this work have promising properties for applications in the biomedical field. (edu.au)
- Silver nanoparticles have unique phytochemical properties and activities compared to their whole parent material. (ijcmas.com)
- Silver NPs have major applications in the medical field including diagnostic and antimicrobial properties. (charlotteteachers.org)
- The synthesized silver nanoparticles show effective antimicrobial properties along with many other potential bioactivities. (nanomedicine-rj.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)
- 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 anti-lung adenocarcinoma properties of the AgNPs removed NCI-H1563, NCI-H1437, NCI-H1299, and NCI-H2126 cells. (degruyter.com)
- For example, ZnO and AgNPs show concentration dependent antimicrobial properties against Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli , respectively. (degruyter.com)
Advantages1
- 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)
Biological systems1
- Through their oxidative dissolution in biological systems, AgNPs can target important biomolecules such as "DNA, peptides, and cofactors" as well as absorb into nonspecific moieties and simultaneously disrupt several metabolic pathways. (wikipedia.org)
Toxicity1
- One of the drawbacks to making silver NPs is the toxicity associated with the chemicals used to make them, including chemical reducing agents such as trisodium citrate or sodium borohydride. (charlotteteachers.org)
Conventional2
- However, most conventional AgNPs syntheses require the use of hazardous chemicals and generate toxic organic waste. (edu.au)
- Although numerous methods are envisaged for silver nanoparticle synthesis, the most conventional ones are physical and chemical methods [21]. (nanomedicine-rj.com)
20191
- 2018 ). It was also confirmed that AgNPs synthesized by the Juniperus chinensis leaf showed the potent anticancer effect on the human adenocarcinoma gastric (AGS) cell lines (Al-Dhafri and Ching 2019 ). (springeropen.com)
Nanobiotechnology1
- Currently, nanobiotechnology is the growing science in the field of medicine employing silver nanoparticles to deliver drugs to target cancer cells and proved to be potential anticancer agents. (ijpsonline.com)
Nanotechnology1
- Development of biologically inspired experimental processes for the synthesis of nanoparticles is evolving into an important branch of nanotechnology. (teamb31-stetten.de)
Pseudomonas1
- Using Pseudomonas aeruginosa supernatant is an easy and cheap method in silver nanoparticle biosynthesis. (springeropen.com)
Characterize1
- Stopped-flow spectrometry has been used to characterize the chemical mechanism and kinetics of AgNPs. (wikipedia.org)
Reaction2
- The reaction temperature, time and reactant molarity were varied to optimize the synthesis yield. (edu.au)
- It is well known that silver nanoparticles can be produced by chemical reaction at low cost with high yield. (toutelachirurgieesthetique.fr)
Biofilm2
- AgNPs inhibited biofilm in the range of 96%-99% and AgAuNPs from 93% to 98% in single-culture biofilms. (dovepress.com)
- AgNPs also showed good biofilm disruption, with the highest of 88% in A. baumannii . (dovepress.com)