نتایج جستجو برای: iron nanoparticles
تعداد نتایج: 243102 فیلتر نتایج به سال:
Background: Ischemic stroke is a common cause of adult disability and death worldwide that leads to damage in neuronal networks and neurovascular units and ceasation of brain functions. In this study the effect of iron oxide nanoparticles and magnetic field on neurogenesis after ischemic reperfusion (IR) in rat model was evaluated. Methods: In this experimental study 50 male Wistar rats weighi...
Introduction: Iron plays an important role in physiological processes as a trace element. Today, iron oxide nanoparticles have attracted extensive attention due to their super paramagnetic properties and a variety of potential applications in many fields. The main objective of this study was to evaluate in vitro and in vivo toxic effects of the iron oxide nanoparticles on L929 cell line, kidney...
objective: the label and detection of cells injected into target tissues is an area of focus for researchers. iron oxide nanoparticles can be used to label cells as they have special characteristics. the purpose of this study is to examine the effects of iron oxide nanoparticles on human-derived amniotic membrane stem cell (hamcs) survival and to investigate the magnetic properties of these nan...
PURPOSE To compare the cellular uptake efficiency and cytotoxicity of aminosilane (SiO(2)-NH(2))-coated superparamagnetic iron oxide (SPIO@SiO(2)-NH(2)) nanoparticles with three other types of SPIO nanoparticles coated with SiO(2) (SPIO@SiO(2)), dextran (SPIO@dextran), or bare SPIO in mammalian cell lines. MATERIALS AND METHODS Four types of monodispersed SPIO nanoparticles with a SPIO core s...
Magnetic nanomaterials are making significant impact on improving the quality of human health that is tangible from a wide range of applications in various fields of medicine and biology. In recent years, nanoparticles successfully demonstrated outstanding applications due to having excellent magnetic properties of the iron oxide nanoparticles-based counterparts. Zero-valent iron nanoparticles ...
Introduction: In many studies, nanoparticles was used to remediation of heavy metals from water, results of these study showed that these materials have high power in contaminant remediation from aqueous solutions, and bio-absorbents also have high power in water infiltration. The main purpose of this paper is investigation of effects of adding of iron oxides nanoparticles to chrome removal bio...
Intravenous administration of iron oxide nanoparticles during the acute stage of experimental stroke can produce signal intensity changes in the ischemic region. This has been attributed, albeit controversially, to the infiltration of iron-laden blood-borne macrophages. The properties of nanoparticles that render them most suitable for phagocytosis is a matter of debate, as is the most relevant...
AIMS To evaluate the feasibility of loading resting monocytes/macrophages by intravenous (i.v.) injection of fluorescent iron oxide nanoparticles prior to injury and tracking of these cells in the very same animal to myocardial infarction (MI) by magnetic resonance imaging (MRI) and optical imaging. METHODS AND RESULTS Rats were injected with fluorescent iron oxide nanoparticles (10 mg/kg) (n...
Nanoscale iron particles represent a new generation of environmental remediation technologies that could provide cost-effective solutions to some of the most challenging environmental cleanup problems. Nanoscale iron particles have large surface areas and high surface reactivity. Equally important, they provide enormous flexibility for in situ applications. Research has shown that nanoscale iro...
OBJECTIVE Estimation of activity accumulated in tumor and organs is very important in predicting the response of radiopharmaceuticals treatment. In this study, we synthesized (177)Lutetium ((177)Lu)-trastuzumab-iron oxide nanoparticles as a double radiopharmaceutical agent for treatment and better estimation of organ activity in a new way by magnetic resonance imaging (MRI). METHODS (177)Lu-t...
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