The colloids used are suspensions of magnetic nanoparticles (iron oxide nanocrystals 10 nm) negatively charged surface, so nonspecific that adsorb on the membrane of most cell types, they are spontaneously internalized into vesicles intracellular. The new magnetic properties of therapeutic cells and marked and located within the body can follow their in vivo non-invasively by MRI. We were able to follow smooth muscle cells in a model of aneurysm of the explants and muscle in a model of urinary incontinence. In each case, the evolution of contrast properties of labeled cells over time was studied in vitro and in vivo. This magnetic marking has also allowed us to subject the cells to magnetic forces and analyze their influence on cell migration in vitro and the feasibility of a magnetic guidance in vivo. keyword (s): Magnetic nanoparticles - Cell therapy - Magnetic Resonance Imaging (MRI) - Mechanotransduction - Cell migration - Cell Tracking. The colloids are Used Composed of magnetic nanoparticles (10 nm iron oxide nanocrystals) Dispersed in aqueous suspension, and bearing net negative surface charge. Those nanoparticles ADSORB electrostatic interactions-through of membrane is the MOST cell types, and are internalised Then Spontaneously inside intracellular vesicles. It Becomes Malthus possible to Magnetically Labeled Cells. This magnetic labeling function can Be Used to non-invasively by MRI follow-up the fate of therapeutic cells implanted inside the organism. Suche labeling function has been "Used to Monitor the Fate of rat smooth muscle cells in abdominal aortic aneurysm year and model of muscular explants in urinary incontinence a model. In EACH case, modification of MRI contrast properties over time has-been investigated Both in vitro and in vivo. Cell magnetic properties Have Also Been Used "to apply external forces and Investigate Their influence on cell migration in vitro as well as" Their potential use for in vivo cell targeting.
The electromagnetic technology which surpassed the wheels in high-speed trains can exceed 700 km / h. It is also a clean and quiet. Even in the United States plans to realize a train of this type using solar energy. But the future of electromagnetic technology is not alone in trains, but also in the car, and from visionaries and designers are proposing Gou Rui concepts of road vehicles operating in electromagnetic. Operating in the electromagnetic roads GlideX 2020, would be an ecological vehicle with zero emissions and an auxiliary battery pack in case a problem in the electromagnetic pathways. Magnetic levitation transport, or maglev, is a transport system that suspends, guides and propels vehicles, mostly trains, using a large number of magnets for lift and propulsion using magnetic levitation. This method has the potential to be faster, quieter and smoother than the mass transit systems on wheels. The technology has the potential to exceed 6400 km / h (4,000 mph) if it is deployed in a tunnel to vacío.1 By not using a tunnel vacuum energy for levitation is not usually of a large proportion and most necessary energy is used to overcome air resistance, as with any other high-speed train.

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