• These biosynthesized silver nanoparticles were characterized using UV-VIS spectroscopy followed by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and Scanning Electron Microscopy (SEM). (worldresearchersassociations.com)
  • The CS-Ag nanocomposite was characterized using Field emission scanning electronic microscope (FESEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). (springer.com)
  • CS-Ag was successfully synthesized and characterized with Fourier transform infrared spectroscopy (FTIR), X-ray diffraction analysis (XRD) and field emission scanning electron microscopy (FESEM). (springer.com)
  • The green synthesized Ag NPs were characterized by diverse techniques such as powder X-ray diffraction (XRD), UV-visible, Fourier transform-infrared spectroscopy (FTIR) and Transmission electron microscopy (TEM) coupled with X-ray energy dispersive spectroscopy (EDS) techniques . (omicsonline.org)
  • 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)
  • Fourier-transform infrared spectroscopy confirmed bioreduction, while EDS and XRD patterns confirmed purity and the crystalline nature of the NPs, respectively. (dovepress.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)
  • A possible mechanism involved in the reduction and stabilization of nanoparticles has been investigated using Fourier transform infrared spectroscopy and Raman spectroscopy. (springeropen.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)
  • Humans have developed and used nanomaterials since a very long time as evidenced by the ruby red colour of some glass which is due to the entrapment of gold nanoparticles in the glass matrix. (hindawi.com)
  • Appearance of ruby red colour of the colloidal gold solution results as a formation of small gold nanoparticles [ 4 ]. (hindawi.com)
  • Ostwald in as early as 1917 reported that chloroauric acid solutions can be reduced to gold nanoparticles employing tannin even when tap water is used to prepare aqueous solutions [ 12 ]. (hindawi.com)
  • The studies showed that the presence of gold nanoparticles significantly lowered fluorescence quantum yields and lifetimes. (seals.ac.za)
  • This thesis presents the synthesis of neutral and cationic metallophthalocyanines and their gold nanoparticles conjugates. (seals.ac.za)
  • The studies presented in this work shows that the conjugation of gold nanoparticles influenced both photophysical and photochemical properties. (seals.ac.za)
  • Gold nanoparticles were found to enhance the singlet oxygen quantum yield while lowering the fluorescence quantum yields. (seals.ac.za)
  • This work also looks at the effect of anisotropic gold nanoparticles such as nanorods and bipyramids on the photophysical behaviour of the metallophthalocyanines. (seals.ac.za)
  • Numerous investigations have shown that the biogenic Silver Nanoparticles (AgNPs) exhibited their therapeutic role in cancer as anticancer agents[ 6 ]. (ijpsonline.com)
  • Green synthesis of silver nanoparticles (AgNPs) was performed using extracts from Ornithogalum narbonense L. (ONL) as a cost-effective and eco-friendly approach. (yyu.edu.tr)
  • Bioactive compounds were found responsible for the reduction, stabilization, and capping of Ag+ to AgNPs. (yyu.edu.tr)
  • The AgNPs did not show antifungal properties against C. albicans. (yyu.edu.tr)
  • 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)
  • AgNPs also showed good biofilm disruption, with the highest of 88% in A. baumannii . (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)
  • In the recent research, silver nanoparticles (AgNPs) were formulated by the Panax ginseng aqueous extract. (degruyter.com)
  • The successful synthesis of AgNPs was evident with TEM images. (degruyter.com)
  • For example, ZnO and AgNPs show concentration dependent antimicrobial properties against Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli , respectively. (degruyter.com)
  • 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)
  • 2018 ). Further studies on mice tumors revealed that the AgNPs can significantly expand the survival time in comparison with tumor controls and consequently show satisfactory antitumor and anti-angiogenic effects (He et al. (springeropen.com)
  • 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)
  • The present chapter aims to overview the application of silver nanoparticles (AgNPs) in photocatalysis and biomedical field. (intechopen.com)
  • 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 synthesis, characterization and antimicrobial activity of silver nanoparticles using Ornithogalum narbonense L. (yyu.edu.tr)
  • Green synthesis, characterization and an. (yyu.edu.tr)
  • Nanomaterial synthesis and characterization have been an extensive area of research since the last decade. (dovepress.com)
  • This work presents the syntheses, photophysical and photochemical characterization of arylthio zinc phthalocyanines and their gold nanoparticle conjugates. (seals.ac.za)
  • Physical characterization about the loading of nanoparticles was also looked into. (seals.ac.za)
  • X-ray powder diffraction analysis confirmed the face-centered cubic silver crystalline structure. (yyu.edu.tr)
  • The samples were characterized by X-ray diffraction, transmission electron microscopy, thermogravimetric analysis, and X-ray photoelectron spectroscopy. (gtiit.edu.cn)
  • The formation of α -Fe 2 O 3 nanoparticles was confirmed by X-ray diffraction measurement and reduction in crystallite size was found after cobalt incorporation. (scirp.org)
  • As-synthesized catalyst is characterized by X-Ray Diffraction measurement confirming hexagonal ZnO and fcc silver. (annexpublishers.co)
  • UV-visible spectroscopy, transmission electron microscopy and X-ray diffraction analytical techniques were used to characterize the synthesized nanoparticles. (springeropen.com)
  • FTIR spectroscopy was used for the structural elucidation. (springer.com)
  • 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)
  • For biosynthesis, the optimal conditions were 1 mM silver nitrate, 0.1 ml of leaf extract at 80° for 90 min. (ijpsonline.com)
  • It has been demonstrated that the plant-based exudate gums such as gum Acacia [ 4 ] and gum kondagogu [ 5 ] can be utilized as reducing and stabilizing agents for the silver nanoparticle biosynthesis. (springeropen.com)
  • Silver (Ag) nanoparticles have high therapeutic potential and exhibit good antimicrobial activity. (springer.com)
  • Complex 4 showed slight blue shifting of the absorption spectrum when compared to complex 3 The antimicrobial activity of 4 were promising as the highest log reduction value was observed when compared to the porphyrin conjugates. (ufh.ac.za)
  • abstract = "The oleylamine thermal reduction process was employed to prepare bimetallic copper-silver (CuxAg (0 ≤ x ≤ 50)) nanoparticles, such as Cu, Cu50Ag, Cu20Ag, Cu10Ag, Cu5Ag, CuAg, CuAg2, and Ag, by using Cu(CH3COO)2 and AgNO3 as the precursors. (gtiit.edu.cn)
  • 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)
  • Medieval potteries embellished with glaze or luster display different characteristic colours that result from special optical properties of the glaze which themselves arise due to the random dispersion of metallic spherical nanoparticles within the glaze [ 3 ]. (hindawi.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 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 synthesis of nanoparticles through physical and chemical processes consumes extreme energy, pollutes the environment, produces toxic chemicals that stick to the surface of particles, and which have inimical effects in medical applications (Nadagouda and Varma, 2008). (japsonline.com)
  • The size of the nanoparticle differs from intracellularly and extracellularly synthesized particles, i.e., 10 nm to 100-200 nm, respectively. (japsonline.com)
  • Nanoparticles (NPs) result in superior chemical reactivity, biological activity, and catalytic behaviour than their own larger particles [2, 6]. (nanomedicine-rj.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)
  • SERS enhancement can occur even when an excited molecule is relatively far apart from the surface which hosts metallic nanoparticles enabling surface plasmon phenomena. (wikipedia.org)
  • Nanoparticles (NPs), especially metallic NPs, can potentiate radiotherapy by specific accumulation into tumors, thus enhancing the efficacy while alleviating the toxicity of radiotherapy. (mdpi.com)
  • Water radiolysis is a simple, fast and environmentally-friendly method to prepare highly controllable metallic nanoparticles in large scale. (mdpi.com)
  • Broadly speaking, there are Top-down and Bottom-up approaches for the synthesis of metallic nanoparticles (Fig. 2). (nanomedicine-rj.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)
  • 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)
  • Titanium dioxide nanoparticles (TiO 2 NPs) were prepared by Caricaceae (Papaya) Shell extracts. (nature.com)
  • 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)
  • However, there are several challenges and problems encountered with these recommended exposure assessment methods involving the accurate quantitation of titanium dioxide collected on air filters using acid digestion followed by inductively coupled plasma optical emission spectroscopy (ICP-OES). (cdc.gov)
  • The zwitterionic photosensitiser 4 and its conjugates showed better efficiency for photodynamic antimicrobial chemotherapy compared to their neutral counterparts. (seals.ac.za)
  • Complex 2 and 2-hexagonal PtNPs as well showed promising photodynamic antimicrobial chemotherapy (PACT) activity against S. aureus, E. coli and C. albicans in solution where the log reduction obtained was 4.92, 3.76, and 3.95 respectively for 2-hexagonal PtNPs. (ufh.ac.za)
  • 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)
  • Ag nanoparticles have a wide range of antimicrobial activities and exhibit high performance even at a very low concentration. (springer.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)
  • Conversely, GSSG in tea leaves showed a decreasing trend with an increase of nano-Se concentration. (teamb31-stetten.de)
  • On the 1 other hand, importantly, it shows much better correlations between concentration and intensity than does the conventional SERS technique so that can build the foundation for quantitative analysis of analytes. (docksci.com)
  • The aim of this study was to investigate the use of chlorhexidine (CHX) hexametaphosphate (HMP) nanoparticles (NPs) with a total CHX concentration equivalent to 5 mM as a coating for dental implants. (springer.com)
  • The influence of concentration of gum and reaction time on the synthesis of nanoparticles was studied. (springeropen.com)
  • Some other disadvantages of these methods include energy consumption, slow synthesis and requirement of high concentration [22-24]. (nanomedicine-rj.com)
  • They also showed anti-microbial activity for both bacterial and fungal which growth rates for both significantly decreased with the increase in ZnO NPs concentration compared to the control. (springeropen.com)
  • The results showed that the roots extract of Plectranthus barbatus is an excellent bioreductant for the synthesis of silver nanoparticles. (worldresearchersassociations.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)
  • The synthesized Ag NPs have a good catalytic activity on the reduction of 4-nitrophenol (4-NP) by Papaya Peel extract which is confirmed by the decrease in absorbance maximum values of 4-nitrophenol (4-NP) with respect to time using UV-vis absorption spectroscopy. (omicsonline.org)
  • In the present work, the silver nanoparticles were successfully synthesized by cell-free extract of freshwater cyanobacteria, i.e. (japsonline.com)
  • 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)
  • 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)
  • We report on the position-controlled deposition of 3D nanoflowers composed of several nano leaves with sharp tips using chemical …We report the synthesis of zinc oxide (ZnO) nano-leaves and nano-rods under high and extremely high alkaline experimental conditions, via a simple and low-temperature method. (teamb31-stetten.de)
  • Furthermore, the catalytic activity of synthesized Ag NPs in the reduction of 4-nitrophenol (4-NP) was studied by UVvis absorption spectroscopy . (omicsonline.org)
  • The catalytic properties of these bimetallic Cu x Ag nanoparticles as model catalysts for the Rochow reaction were explored. (gtiit.edu.cn)
  • For example, the Cu atom was observed to have a lower electron density in the Cu x Ag bimetallic nanoparticle than that in monometallic Cu nanoparticles, which enhanced the formation of methylchlorosilanes on the silicon surface with chloromethane, demonstrating the significance of the Cu x Ag bimetallic catalysts in catalytic reactions during organosilane synthesis. (gtiit.edu.cn)
  • The catalytic properties of these bimetallic CuxAg nanoparticles as model catalysts for the Rochow reaction were explored. (gtiit.edu.cn)
  • Metal and metal hybrid nanostructures have shown tremendous application in the biomedical and catalytic fields because of their plasmonic and catalytic properties. (mdpi.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)
  • 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)
  • It is observed that synthesis of the catalyst using starch as environment friendly surfactant resulted in plate like elongated Zinc Oxide nanoparticles. (annexpublishers.co)
  • Owing to the nanoscale dimension (in the range of 1-1000 nm), nanoparticles enjoy a leading edge in the fields of nanoscience and nanotechnology. (hindawi.com)
  • The nanoscale dimension and high surface area to volume ratio of nanoparticles makes their physicochemical properties quite different from those of the bulk materials [ 3 , 5 ]. (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)
  • multiple scattering peaks in the UV-vis range are exhibited by anisotropic nanoparticles like rods, triangular prisms, and cubes exhibit as a result of highly localized charge polarizations at corners and edges [ 3 ]. (hindawi.com)
  • During the last decades, it has been shown that several biological systems including human cells, fungi, yeasts, bacteria, diatoms, algae, and plants can convert inorganic metal ions into metal NPs through reducing capacities. (degruyter.com)
  • Degradation of aqueous solutions of Methylene Blue (MB) Rhodamine B (RhB), Methyl Orange (MO), Bromophenol Blue (BPB) and p-nitrophenol (PNP) was monitored by absorption spectroscopy to reveal complete degradation of organic dyes. (annexpublishers.co)
  • Complexes 1 and 2 were covalently linked to amino functionalised nanoparticles (NPs). (seals.ac.za)
  • Complexes 3, 4, 5 and 6 where linked to oleic acid/oleylamine capped (OLA/OLM) silver-iron dimers (Ag-Fe3O4 OLA/OLM) and silver-iron core shell (Ag@Fe3O4 OLA/OLM) NPs via interaction between the nanoparticles and the imino group on the phthalocyanines. (seals.ac.za)
  • 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)
  • This work reports on the conjugation of differently shaped Pt nanoparticles (PtNPs) with ClGa(III) 5,10,15,20-tetrakis-(4-carboxyphenyl) porphyrin (1) as well as chloro - (5,10,15,20-tetrakis (4- (4- carboxy phenycarbonoimidoyl) phenyl) porphyrinato) gallium(III) (2) The work also reports on platination of dihydroxosilicon octacarboxyphthalocyanine (OH)₂SiOCPc (3) to give dihydroxosilicontris(diaquaplatinum)octacarboxyphthalocyanine (OH)₂SiOCPc(Pt)₃ (4). (ufh.ac.za)
  • Surface-enhanced Raman spectroscopy or surface-enhanced Raman scattering (SERS) is a surface-sensitive technique that enhances Raman scattering by molecules adsorbed on rough metal surfaces or by nanostructures such as plasmonic-magnetic silica nanotubes. (wikipedia.org)
  • The chemical theory is based on resonance Raman spectroscopy, in which the frequency coincidence (or resonance) of the incident photon energy and electron transition greatly enhances Raman scattering intensity. (wikipedia.org)
  • 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)
  • In this work, the syntheses and characterisation of Zn monocaffeic acid tri-tert-butyl phthalocyanine (1), Zn monocarboxyphenoxy tri- tert-butylphenoxyl phthalocyanine (2), tetrakis phenoxy N,N-dimethyl-4-(methylimino) phthalocyanine indium (III) chloride (3) and tetrakis N,N-dimethyl-4-(methylimino) phthalocyanine indium (III) chloride (5) are presented. (seals.ac.za)
  • Here, a green and clean method was employed for the synthesis of silver nanoparticle (Ag NP)-SiO 2 -Fe 2 O 3 hybrid microstructures, and biomolecules from green tea extracts were used for constructing the hybrid structures. (mdpi.com)
  • The current study evaluated the anti-cancer properties of bio-functionalized silver nanoparticles fabricated by Juniperus chinensis leaf extracts. (springeropen.com)
  • It was observed that the aqueous and ethanoic extracts of the four samples of A. esculentus seeds showed broad range of inhibitory activity against the test bacteria especially L. monocytogenes. (ung.si)
  • Naskar, A. , Bera, S. , Mallik, A. and Jana, S. (2016) Cobalt Incorporated Pyramidal Shaped α -Fe 2 O 3 Nanoparticles from Poly-vinyl Alcohol Based Precursor. (scirp.org)
  • 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)
  • For instance, differently shaped nanostructures of silver and gold embody unique optical scattering properties [ 3 , 6 ]. (hindawi.com)
  • Because of the unique properties of the nanoparticles, the simple preparation has a significant influence on the surface analysis measurements. (jove.com)
  • Spectroscopic and microscopic studies confirmed the formation of the phthalocyanine-gold nanoparticle conjugates which exhibited enhanced photophysicochemical properties in comparison to the phthalocyanines. (seals.ac.za)
  • The results show that photophysical and photochemical properties can be influenced by both size and shape of the nanoparticles. (seals.ac.za)
  • Antimicrobial nanoparticles (NPs) offer a method for imparting antimicrobial properties to implant surfaces. (springer.com)
  • The synthesized silver nanoparticles show effective antimicrobial properties along with many other potential bioactivities. (nanomedicine-rj.com)
  • The mechanisms of antimicrobial properties of silver nanoparticles are also assessed. (nanomedicine-rj.com)
  • Nanoparticles (NPs) are the building blocks responsible for nanotechnology's applicative properties. (springeropen.com)
  • The conjugates showed significantly higher singlet oxygen quantum yields and therefore enhanced photocatalytic activity compared to the phthalocyanines. (seals.ac.za)
  • The zinc phthalocyanines and their gold nanoparticle conjugates were successfully incorporated into electrospun polymer fibers. (seals.ac.za)
  • Spectral characteristics of the functionalized electrospun fibers indicated that the phthalocyanines and phthalocyanine-gold nanoparticle conjugates were bound and their integrity was maintained within the polymeric fiber matrices. (seals.ac.za)
  • Chemical methods involving metal salt reduction in solution enjoy an extra edge over other protocols owing to their relative facileness and capability of controlling particle size along with the attribute of surface tailoring. (hindawi.com)
  • These methods provide several different options for sample preparation, depending on the analytical question at hand and the form in which the nanoparticles are available. (jove.com)
  • Although numerous methods are envisaged for silver nanoparticle synthesis, the most conventional ones are physical and chemical methods [21]. (nanomedicine-rj.com)
  • 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)
  • Research Interests and Track Record Research interests cover areas of photochemistry, fast chemical reactions, and nucleic acids Current research projects falls into the following main areas (A) The transient spectroscopy of nucleic acids and photosensitisers. (tcd.ie)
  • Herein, we propose a dual-mode Cu 2 O nanoparticles (NPs) based biosensor for glucose analysis based on colorimetric assay and laser desorption/ionization mass spectrometry (LDI MS). Cu 2 O NPs exhibited excellent peroxidase-like activity and served as a matrix for LDI MS analysis, achieving visual and accurate quantitative analysis of glucose in serum. (frontiersin.org)
  • 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)
  • Various mechanisms to synthesize silver nanoparticles are explored here to analyse its formations in the most efficient method. (nanomedicine-rj.com)
  • 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 size of the spherical nanoparticle was 12.96 nm with negative zeta potential. (springeropen.com)
  • Reports have shown that plastic ferroelectric crystals with spherical molecular structures exhibit prominent piezoelectricity due to the mechanical softness of their lattices 12 . (nature.com)
  • SERS from pyridine adsorbed on electrochemically roughened silver was first observed by Martin Fleischmann, Patrick J. Hendra and A. James McQuillan at the Department of Chemistry at the University of Southampton, UK in 1973. (wikipedia.org)
  • These NPs also showed antimicrobial and antibiofilm activity against E. coli , A. baumannii , S. aureus , and a mixed culture of A. baumannii and S. aureus . (dovepress.com)
  • Photocatalytic activity study showed that the cobalt incorporated α -Fe 2 O 3 was better photocatalyst than pure α -Fe 2 O 3 . (scirp.org)
  • Cu 2 O nanoparticles (NPs) were facilely prepared and testified the peroxidase-like activity, achieving visual detection of glucose combined with GOD. (frontiersin.org)
  • and economically feasible compared to physical and chemical synthesis. (japsonline.com)
  • XPS confirmed oxygen rich composition and UV-Vis spectrophotometry revealed decrease in band gap energies with increasing silver loading. (annexpublishers.co)
  • The Cu x Ag hybrid nanostructure showed good particle dispersion, and Cu and Ag metals were well mixed. (gtiit.edu.cn)
  • The CuxAg hybrid nanostructure showed good particle dispersion, and Cu and Ag metals were well mixed. (gtiit.edu.cn)
  • It involves the synthesis and manipulation of particle structure with a dimension of less than 100 nanometers in diameter [1]. (nanomedicine-rj.com)
  • However, conventional nanoparticle-based PRET sensors have limitations due to the restricted scattering characteristics of nanoparticles, allowing measurement of only one type of molecule at a time. (skku.edu)