Heat dissipation by magnetic nanoparticles (MNPs) under an alternating magnetic field can be used to selectively treat cancer tissues. Antibodies conjugated to MNPs can enhance the therapeutic effects of hyperthermia by altering antibody-antigen interactions. Fe₃O₄ nanoparticles (primary diameter, 20-30 nm) coated with polyethylenimine (PEI) were prepared and conjugated with CH11, an anti-Fas m...

The catalytic performance of Fe-Cr/ZrO2 catalysts, prepared by two different methodsscoprecipitation and coprecipitation-impregnation were examined in oxidative dehydrogenation of ethane to ethylene using CO2 as an oxidant. Thermogravimetric analysis and physicochemical characterization such as XPS, XRD, and BET were performed to explore the correlation of catalytic performance with physicochem...

to be fairly general and catalyst is easily separated by magnetic devices and can be reused without any apparent loss of activity for the reaction. fe3o4 nanoparticles were prepared by chemical coprecipitation method and was found to be a mild and effective catalyst for the efficient, one-pot, three-component synthesis of 2,4,5-trisubstituted imidazoles at room temperature under ultrasound irra...

Targeted hyperthermia treatment using magnetic nanoparticles is a promising cancer therapy. However, the mechanisms of heat dissipation in the large alternating magnetic field used during such treatment have not been clarified. In this study, we numerically compared the magnetic loss in rotatable nanoparticles in aqueous media with that of non-rotatable nanoparticles anchored to localised struc...

Magnetic nanoparticles are currently one of the most fashionable and promising materials because of their multiple applications in computing, electronic devices or biomedicine [1-3]. In particular in the biomedicine field, magnetic nanoparticles in the form of colloidal aqueous suspensions, have found applications as magnetic separators, contrast agents for NMR imaging, drug delivering and hype...

Magnetic properties and heat generation characteristics of a bio-compatible ceramic Mg1þxFe222xTixO4 system have been investigated as an implant material for the magnetic induction hyperthermia. Curie temperature ðTcÞ of the ceramic decreases with increasing x; and become Tc , 350 K at x 1⁄4 0:35 and ,315 K at x 1⁄4 0:38; which is suitable Curie temperature for implant material. The temperature...

This work aims to demonstrate the need for in silico design via numerical simulation to produce optimal Fe3O4-based magnetic nanoparticles (MNPs) for magnetic hyperthermia by minimizing the impact of intracellular environments on heating efficiency. By including the relevant magnetic parameters, such as magnetic anisotropy and dipolar interactions, into a numerical model, the heating efficiency...

We have used in vivo 31P-nuclear magnetic resonance spectroscopy to study the changes in high-energy phosphates following hyperthermia. Immediately after heating, there is a fall in adenosine triphosphate and apparent intracellular pH and an increase in inorganic phosphate. Following sublethal heating (40 degrees for 15 min), these changes were partial, and they resolved over the subsequent 45 ...