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Monodisperse carboxymethyl chitosan-bound Fe3O4 magnetic nanoparticles can be potentially used as drug delivery carrier and a novel magnetic nano-adsorbent for the removal of pollutants from aqueous solutions. In this paper, the magnetic chitosan nanoparticles of about 20 nm were prepared by the carboxymethylation of chitosan and the followed binding on the surface of Fe3O4 nanoparticles which were...
Flame spray pyrolysis (FSP) was employed to synthesize the pure ZnO and palladium (Pd)-doped ZnO nanoparticles containing 0.25, 0.50, 0.75 and 1.0 mol% Pd. Pd is one of the most versatile and most widely applied as catalytic metal. Precursor solutions of zinc naphthenate and palladium (II) acetylacetonate were sprayed and combusted, resulting in crystalline and nanostructured particles. The crystalline...
ZnO nanoparticles were synthesized by flame spray pyrolysis (FSP) using zinc naphthenate as a precursor dissolved in toluene/acetonitrile (80/20 vol%). The particle properties were analyzed by XRD, BET, and HR-TEM. The sensing films were produced by mixing the particles into an organic paste composed of terpineol and ethyl cellulose as the vehicle binder and were fabricated by doctor-blade technique...
Cu/TiO2 composite nanoparticles were prepared by photoreduction deposition methods. The properties of the nanoparticles were widely characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) equipped with energy dispersive X-ray spectroscopy (EDS). Moreover, the antibacterial performances were performed by zone of inhibition (ZOI) tests against the bacteria species. The results...
In this article, platinum nanoparticles with uniform diameter (about 4.3 nm) were efficiently dispersed on multi-walled carbon nanotubes (MWCNTs) with temperature controlled, microwave assisted polyol method. Temperature is an important factor that affects the reduction rate of Pt particles from chloroplatinic acid. In a microwave system, chloroplatinic acid is rapidly dissociated and reduced. Pt...
PMN (Pb(Mg1/3Nb2/3)O3) is used in many high-tech fields due to its dielectric and other advantages, the preparation of PMN by traditional methods exists some problems, such as impurity phase. In this paper a novel mechanochemical method to synthesize PMN was reported, MgO, PbO and Nb2O5 without any purification utilized as raw materials were mixed by ball-milling in advance, and the mixture was characterized...
Nanofillers in epoxy composites sometimes results in unexpected properties. Presented in this paper are some findings on the dielectric properties of diglycidyl ether of bisphenol-A (DGEBA) epoxy resin incorporated with surface modified nanosilica particles. 20 nm particles were used in the investigation and the results were compared with those of 100 nm silica composite. The composites were examined...
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