نتایج جستجو برای: coprecipitation superparamagnetic

تعداد نتایج: 4995  

2011
Jasmin Ana M Luiza Torres Henrique MP Nunes Juliana A Passipieri Linda A Jelicks Emerson L Gasparetto David C Spray Antonio C Campos de Carvalho Rosalia Mendez-Otero

The methods of the published manuscript [1] state that an incorrect concentration of Feridex was used (25 ug/ml). Instead, the methods should state that a concentration of 50 ug/ml Feridex was used. Optimized labeling of bone marrow mesenchymal cells with superparamagnetic iron oxide nanoparticles and in vivo visualization by magnetic resonance imaging. Cite this article as: Jasmin et al.: Corr...

Journal: :Science 2005
Jaejoon Won Mina Kim Yong-Weon Yi Young Ho Kim Neoncheol Jung Tae Kook Kim

Technologies to assess the molecular targets of biomolecules in living cells are lacking. We have developed a technology called magnetism-based interaction capture (MAGIC) that identifies molecular targets on the basis of induced movement of superparamagnetic nanoparticles inside living cells. Efficient intracellular uptake of superparamagnetic nanoparticles (coated with a small molecule of int...

Journal: :International Journal of Nanomedicine 2007
Lin Du Jianzhao Chen Yanting Qi Dan Li Chonggang Yuan Marie C Lin David T Yew Hsiang-Fu Kung Jimmy C Yu Lihui Lai

We report the preparation of a non-polymer coated superparamagnetic nanoparticle that is stable and biocompatible both in vitro and in vivo. The non-polymer, betaine, is a natural methylating agent in mammalian liver with active surface property. Upon systemic administration, the nanoparticle has preferential biodistribution in mammalian liver and exhibits good reduction of relaxivity time and ...

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...

2013
Fahmida Gulshan Kiyoshi Okada

Fe2O3-Al2O3 compounds with different Fe/Al compositions were synthesized by coprecipitation (CP) method and calcined at 300°-1000°C. The formation of crystalline phases (e.g., maghemite, hematite), transformation temperature, specific surface area, lattice parameter, crystallite size, magnetic properties of iron oxide were all affected by the component ratio and thermal treatment.

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...

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