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  • particle size
  • Each batch of nanoparticles is extensively characterized using transmission electron microscopy (TEM) images, dynamic light scattering (for particle size analysis), Zeta potential measurements, and UV/Visible spectral analysis to ensure consistent materials in every order. (sigmaaldrich.com)
  • A unique property of spherical silver nanoparticles is that this SPR peak wavelength can be tuned from 400 nm (violet light) to 530 nm (green light) by changing the particle size and the local refractive index near the particle surface. (sigmaaldrich.com)
  • Antimicrobial Agents
  • Recently, metals nanoparticles have received considerable attention of researchers due to their wide unique properties as compared to bulk and possess immense applications in the fields of diagnostics, cell labelings, antimicrobial agents, drug delivery and cancer therapy [ 1 ]. (omicsonline.org)
  • synthesize
  • Here, in the present study the concoction of Piper nigrum was employed to synthesize the silver nanoparticles and characterized by Fourier transform infrared spectroscopy (FTIR), UV-Visible spectroscopy, High resolution transmission electron microscopy (HR-TEM), further for the first time the anticancer activity against MCF-7 and Hep-2 cell lines were carried out. (omicsonline.org)
  • Application of silver nanoparticles in these fields depend on the ability to synthesize particles with different chemical composition, shape, size, and monodispersity. (nanowerk.com)
  • finite
  • examined (the generalization of) the universal scaling behavior for spherical silver nanoparticles arranged in finite linear chains (eight nanoparticles) and embedded in different host media. (hindawi.com)
  • We investigate the propagation of surface plasmon polaritons through coupling of light to sub-radiant dipole modes in finite chains of Ag nanoparticles. (osapublishing.org)
  • In this work, improved color conversion of colloidal green and red QDs coupled with aluminum (Al) and silver (Ag) nanodisk (ND) arrays designed by in-depth systematic finite-difference time domain simulations of excitation, spontaneous emission, and quantum efficiency enhancement is reported. (readbyqxmd.com)
  • biosynthesis
  • Dr. D'Souza, head of the Nuclear Agriculture and Biotechnology Division at the Bhabha Atomic Research Center in Mumbai, India together with first author Kuber C. Bhainsa published their findings, titled 'Extracellular biosynthesis of silver nanoparticles using the fungus Aspergillus fumigatus ' in the Feb. 1, 2006 edition of Colloids and Surfaces B: Biointerfaces . (nanowerk.com)
  • metals
  • This method allows the formation of the films on various surfaces directly from the solution, control the porosity by varying synthesis parameters or using organic templates, functionalization of the films with noble metals nanoparticles as well as the formation of self-assembled structures. (springer.com)
  • In plasmonics, nanostructured metals such as gold and silver resonate in light and concentrate the electromagnetic field near the surface. (kurzweilai.net)
  • The resulting material was thermoplastic and was processible reversibly at temperatures above 90 °C. The concept of nanoparticle-crosslinking of polymers was successfully transferred to other metals and other endfunctionalized polymers. (uni-marburg.de)
  • Targeting
  • Because the nanoparticle has a core shell structure, the researchers can vary its exterior coating and compare the efficiency of tumor targeting and internalization. (kurzweilai.net)
  • organic
  • This review presents an overview of different types of diglycidyl/tetraglycidyl epoxy-containing organic-inorganic hybrid nanocoatings, based on their function, the substances used in coating formulations, and the nanoparticles/nanofillers used for the protection of mild steel surfaces from corrosion and microbial growth, viz. (springer.com)
  • concentrations
  • reported the development of a silver enhancement technology that operates even in the presence of high chloride concentrations as it may be encountered in biologic samples. (hindawi.com)
  • MTT assays were carried out using various concentrations of silver nanoparticles and Piper nigrum extract ranging from 10 to 100μg/ml. (omicsonline.org)
  • At various concentrations, biosynthesized silver nanoparticles showed a significant cytotoxic effect against both MCF-7 and Hep-2 cells compared to Piper nigrum extract. (omicsonline.org)
  • efficiency
  • The recent promotion of colloidal silver products for household water treatment in developing countries is problematic due to previously identified concerns regarding manufacturing quality and questionable advertising practices, as well as the low efficiency of silver nanoparticles to treat bacteria, viruses, and protozoa in source waters. (readbyqxmd.com)
  • reaction
  • A one-step microwave-assisted interface reaction using dodecylthiol and ethylene glycol was developed for the direct synthesis of hexagonally arranged spherical silver nanoparticles of about 10 nm. (azom.com)
  • Silver nanoparticles have many important applications that include: spectrally selective coating for solar energy absorption and intercalation material for electrical batteries as optical receptors, polarizing filters and catalysts in chemical reaction. (nanowerk.com)
  • To create the soap, a special stabilizing complex was developed that allows keeping silver nanoparticles from reaction with ingredients of the soap composition. (evolut.store)
  • cubic
  • For layers of spherical particles periodically arranged in a hexagonal lattice, the anisotropy disappears for the three inter-layer spacings corresponding to simple cubic (sc), bcc, and fcc volume symmetry. (osapublishing.org)
  • mechanism
  • Silver nanoparticles destroy the bacterial cell wall causing its immediate death from physical destruction, but not from toxin poisoning, so leaving the bacteria unable to develop a protection mechanism and transfer it to the next generations. (evolut.store)
  • Size
  • Use of silver has been again realized in the form of SNPs, which show the significant antimicrobial activity against the multidrug resistant microorganisms owing to their reduced size [ 4 ]. (hindawi.com)
  • chains
  • In the research article "Investigation of the Validity of the Universal Scaling Law on Linear Chains of Silver Nanoparticles," M. Alsawafta et al. (hindawi.com)
  • The decay length and the mount of the fractional shift of the silver linear chains strongly depend on the polarization state of the incident polarization. (hindawi.com)