Nanoparticles, such as semiconductor quantum dots (QDs), have been found increasing use in biomedical diagnosis and therapeutics because of their unique properties, including quantum confinement, surface plasmon resonance, and superparamagnetism. Cell-penetrating peptides (CPPs) represent an efficient mechanism to overcome plasma membrane barriers and deliver biologically active molecules into ...

Ferromagnetic resonance was used to study the temperature dependence of mixed manganese-cobalt ferrite nanoparticles with a size range between 5 and 42 nm synthesized by hydrothermal method. Structural characterization carried out using X-ray diffraction, scanning, transmission electron microscopy. M(H) curves as function Mn2+ content at 2.5 300 K, FMR in 80 < T 700 K were for magnetic characte...

In this paper we report synthesis of Fe2TiO5-5A zeolite (Z5A) nanocomposites with 5%, 10% and 20% weight percent of Fe2TiO5 in 5A zeolite in stearic acid media after calcination of the gel samples obtained at 600-900°C for 2 hrs. The powder X-RAY diffraction (XRD) patterns have been used for characterization of the prepared samples. The Scanning Electron Microscopy (SEM) images and X-ray Energy...

In this work, we report synthesis of superparamagnetic iron oxide nanoparticles at room temperature using microemulsion template phase consisting of cyclohexane, water, cetyltrimethylammonium bromide CTAB as cationic surfactant and butanol as a cosurfactant. Silica surface modification of the as prepared nanoparticles was performed by adding tetraethoxysilane TEOS to alkaline medium. The struct...

We report a detailed magnetic and structural analysis of highly reduced Co d displaying an anomalous Hall effect (AHE). The temperature and field dependen transmission electron microscopy clearly establish the presence of nano-sized s clusters of ~8–10 nm size in the films at the interface. The co-occurrence of s AHE raises questions regarding the use of the AHE as a test of the intrinsic natu ...

The magnetic properties and phase diagrams of the mixed spin-1 spin-1/2 Ising model on a checkerboard square structure have been studied using Monte Carlo simulations based Metropolis update protocol. system consists four quartets alternative spin configuration. effect exchange interactions J crystal field D properties, critical compensation temperatures, susceptibility, specific heat investiga...

organic solvents. In this study, NiFe2O4/sawdust nanocomposite was synthesized for removingoil pollutants. The oil-adsorbing nanocomposite could be easily separated from water bymagnet bar. The XRD results show tetragonal phase proving the composite formation. TheFESEM pictures successfully reveal the growth of NiFe2O4 on the sawdust template. The FTIRbands at 422 cm-1 and 615 cm-1correspond to...