نتایج جستجو برای: nanocomposite magnetic particles

تعداد نتایج: 496479  

2014
Dana Dlott William L. Shaw Dana D. Dlott Rayon A. Williams Edward L. Dreizin

Ignition of Nanocomposite Thermites by Electric Spark and Shock Wave Report Title Nanocomposite 8Al ·MoO3 thermite particles were prepared using arrested reactive milling and ignited using two experimental techniques. In spark ignition, a monolayer of powder was placed on a conductive substrate and heated in air by a pulsed electrostatic discharge. In shock ignition, an individual particle was ...

This study reports the simple process to synthesis of CuO/CuI nanocomposite in a non-aqueous solution. In the conducted experiments CuI and Dimethyl Sulfoxide (DMSO) were used as the precursors. Moreover, DMSO had role of solvent and ligand simultaneously. In experiments the effects of oleic acid as the particles size modifier, temperature and concentration were investigated. Crystalline struct...

The mixing of Newtonian and non-Newtonian fluids in a magnetic micro-mixer was studied numerically using  ferrofluid. The mixing process was performed in a three-dimensional steady-state micro-mixer. A magnetic source was mounted at the entrance of the micro-channel to oscillate the magnetic particles. The effects of electric current, inlet velocity, size of magnetic particles, and non-Newtonia...

Journal: :AIP Advances 2022

Possible ferro-electromagnetic performance of “reduced graphene oxide (r-GO)” deposited on the surface “ZnO-nanorod (NR) decorated with nanocrystalline (nc) Au particles” is studied using different spectroscopies and magnetic measurements. The presence carbon/zinc-interstitials (Zni), nc-Au, oxygen vacancies are established through electronic property studies spectroscopic moment (M) applied fi...

2014
Samer Hasan Hussein-Al-Ali Mohamed Ezzat El Zowalaty Mohd Zobir Hussein Benjamin M Geilich Thomas J Webster

Because of their magnetic properties, magnetic nanoparticles (MNPs) have numerous diverse biomedical applications. In addition, because of their ability to penetrate bacteria and biofilms, nanoantimicrobial agents have become increasingly popular for the control of infectious diseases. Here, MNPs were prepared through an iron salt coprecipitation method in an alkaline medium, followed by a chit...

Composite and nanocomposite Ni-Co/SiC coatings were synthesized by electro-codeposition of micro and nano-sized SiC particles with average diameter of 10m and 20nm using horizontal electrodes. Surface morphology, chemical composition, phase composition, hardness and corrosion resistance of the deposited coatings were studied using SEM observations and EDX, XRD, microhardness and polarization ...

WC-10Co cemented carbides containing 1 to 4 wt% SiC nanoparticles were prepared by spark plasma sintering. The effects of SiC content on microstructure, mechanical properties and wear resistance of the sintered materials were studied. Microstructural studies showed that SiC addition resulted in WC grain coarsening. In addition, the hardness decreased with increasing SiC content. However, the fr...

2014
Qi Wang Shizhen Chen Qing Luo Maili Liu Xin Zhou

A novel reconstituted high-density lipoprotein (rHDL) nanocomposite has been prepared for highly-sensitive magnetic resonance (MR)fluorescence multimodal imaging. Such a nanocomposite is able to enhance the MR sensitivity up to 129 fold in comparison to the traditional small molecule MRI agent based on paramagnetic chemical exchange saturation transfer (PARACEST). It has also demonstrated speci...

2007
Jian-Zhong Ma Jing Hu Zhi-Jie Zhang

Polyacrylate/silica nanocomposite was prepared by sol–gel process via in situ emulsion polymerization. The influence of the synthetic conditions, such as the ratio of different monomers and the contents of tetraethoxysilane (TEOS), c-methacryloxypropyltrimethoxysilane (Z-6030), diethanolamine (DAM) and ammonium persulfate (APS) on the physical mechanical properties of polyacrylate/silica nanoco...

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