نتایج جستجو برای: superparamagnetic

تعداد نتایج: 3546  

2014
Reinaldo G. Digigow Jean-François Dechézelles Hervé Dietsch Isabelle Geissbühler Dimitri Vanhecke Christoph Geers Ann M. Hirt Barbara Rothen-Rutishauser Alke Petri-Fink

We report on the synthesis and characterization of functional silica hybrid magnetic nanoparticles (SHMNPs). The co-condensation of 3-aminopropyltriethoxysilane (APTES) and tetraethyl orthosilicate (TEOS) in presence of superparamagnetic iron oxide nanoparticles (SPIONs) leads to hybrid magnetic silica particles that are surface-functionalized with primary amino groups. In this work, a comprehe...

Journal: :Journal of nanoscience and nanotechnology 2012
Ke-Xia Liu Fang Lan Wen Jiang Xiao-Bo Zeng Hao Hu Yao Wu Zhong-Wei Gu

Superparamagnetic iron oxide nanoparticles (SPIONs) with high saturation magnetization are successfully synthesized via thermal decomposition method by doping Mn and Zn elements simultaneously. The synthesis procedure was modified according to the thermal stabilities of the precursors, in order to ensure that the stoichiometry of the synthesized samples can be retained exactly from the starting...

2015
Lars Franken Marika Klein Marina Spasova Anna Elsukova Ulf Wiedwald Meike Welz Percy Knolle Michael Farle Andreas Limmer Christian Kurts

A main function of splenic red pulp macrophages is the degradation of damaged or aged erythrocytes. Here we show that these macrophages accumulate ferrimagnetic iron oxides that render them intrinsically superparamagnetic. Consequently, these cells routinely contaminate splenic cell isolates obtained with the use of MCS, a technique that has been widely used in immunological research for decade...

Fatemeh Javani Jouni, Mohammad Satari, Nazanin Haghighat, Parviz Abodolmaleki,

Introduction: Iron oxide nanoparticles, owing to their very small size and superparamagnetic properties, have been considered a potential candidate for several medical applications such as magnetic cell separation, magnetic resonance imaging (MRI), magnetic targeted drug delivery magnetichyperthermia. The present study aimed to synthesize and evaluate the characteristics of super...

Journal: :ACS applied nano materials 2021

Magnetic polymeric nanoparticles (MPNPs), a cluster of magnetic (MNPs) or superparamagnetic iron oxide embedded into poly(styrene27-b-acrylic acid120) P(S27-b-AA120) p...

The aim of this study is to obtain polysaccharide (Glucose, Fructose and Sucrose) stabilized superparamagnetic iron oxide nanoparticles (SPIONs) by Co-Precipitation method. As prepared iron oxide nanoparticles have been characterized by X-ray Diffraction (XRD), Fourier Transform infrared (FTIR) spectroscopy, UV–Vis NIR spectroscopy, High Resolution Transmission Electron Microscope (HRTEM) and V...

M. Seyed Sadjadi, N. Farhadyar S. E. Babaei

In this work, we report synthesis of surface modified superparamagnetic iron oxide nanoparticles (SPION) by co-precipitation method using FeSO4.7H2O and Fe2(SO4)3.5H2O as precursors and trisodium citrate dihydrate as surfactant. Surface modification of the as prepared samples was performed in pot by sol-gel precipitation method u...

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