A consolidating product based on nanoparticles of slaked lime (Ca(OH)2) dispersed in isopropyl alcohol was exposed under different relative humidities (RH), 33%, 54%, 75% and 90% during 7, 14, 21 and 28 days. The characterization of the calcium hydroxide nanoparticles and the formed calcium carbonate polymorphs has been performed by Micro-Raman spectroscopy, Transmission Electron Microscopy (TE...

This research presents the interaction of the epoxy polymer diglicydil ether of bisphenol-A (DGEBA) with silica (SiO₂) nanoparticles plus zirconia (ZrO₂) nanoparticles obtained via the sol-gel method in the synthesis of an epoxy-silica-zirconia hybrid adhesive cured with polyamide. ZrO₂ nanoparticles were added to the epoxy-silica hybrid adhesive produced in situ to modify the apparent shear st...

The inhibition mechanism of sodium oleate (C17H33COONa) for pitting corrosion of aluminum alloy (AA) 2024 in 0.1 mol L NaCl solution was investigated using potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), scanning electron microscopy with energy dispersive spectrometer (SEM-EDS) and X-ray photoelectron spectroscopy (XPS). C17H33COONa showed good inhibition effect on u...

A simple and inexpensive electrospinning technique was used to synthesize 8 mol% yttria-stabilized zirconia (8YSZ) ceramic nanofibers having average diameter of ~200 nm after calcination. As-spun nanofibers after subjected to pre-selected time-temperature calcination profile retained excellent fiber morphology and were phase transformed, enhancing its further applicability in medical field. The...

The phase formation of Ni-Ce composites onto a carbon steel electrode was investigated using electrochemical deposition. The anticorrosive properties of composite coating in 0.1 mol L HCl solution were studied by Tafel polarization and electrochemical impedance spectroscopy (EIS). Incorporation of CeO2 particles into the Ni matrices was found to improve corrosion resistance of pure Ni coatings....

Sandwich structures were fabricated by a vacuum deposition method using MPc (M = Cu, Zn), with a Tetrathiafulvalene (TTF) derivative, and Indium Tin Oxide (ITO) and aluminum electrodes. The structure and morphology of the deposited films were studied by IR spectroscopy, scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The absorption spectra of TTF derivative-MPc (M =...

N-vinylcarbazole (NVK) is proposed as an additive for acrylates thermal free radical polymerization (FRP) and epoxy thermal ring opening polymerization (ROP) at room temperature. The new initiating systems are based on a silane/silver salt/N-vinylcarbazole interaction, which ensures good to excellent polymerization. Moreover, the polymerization is much more efficient under air than under argon....

CuO nanorods were prepared by thermal oxidation method in ozone ambient. The effect of annealing temprature the range from 400 to 600 oC on morphology and structure was studied thouroughly scanning electron microscopy (SEM) X-ray diffraction, combining with energy dispersive spectroscopy (EDS) Raman spectroscopy. results showed that strongly affected produced nanorods. most uniform highest crys...

Objectives This study aimed to introduce the use of laser-induced breakdown spectroscopy (LIBS) for evaluation of the mineral content of root canal dentin, and to assess whether a correlation exists between LIBS and scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS) methods by comparing the effects of irrigation solutions on the mineral content change of root canal dentin. ...

We report a novel approach for preparation of networked gold nanoparticles (AuNPs) using reactive oxygen species (i.e., peroxymonocarbonate, HCO(4)(-)) as a novel reducing agent, along with nonionic fluorosurfactant (FSN) assistance. The formation mechanism of the networked AuNPs is demonstrated by transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM),...