Iron oxide nanoparticles and nerves:
"Widely used iron nanoparticles exhibit toxic effects on neuronal cells.
Unexpected effects on cells noted while investigating a possible way to manipulate them remotely with a magnetic force.
Researchers at UC San Diego have discovered that iron-containing nanoparticles being tested for use in several biomedical applications can be toxic to nerve cells and interfere with the formation of their signal-transmitting extensions. "Iron is an essential nutrient for mammals and most life forms and iron oxide nanoparticles were generally assumed to be safe," said Sungho Jin, a professor of materials science at UCSD and senior author of a paper to be published in Biomaterials. The paper is currently available on the journal's website.
"However, there are recent reports that this type of nanoparticle can be toxic in some cell types, and our discovery of their nano-toxicity in yet another type of cell suggests that these particles may not be as safe as we had once thought.".......
........"The researchers also studied long protein polymers inside the PC12 cells that make up the cytoskeletal structure. They found that iron oxide nanoparticles resulted in fewer and less organized microtubules and microfilaments, protein polymers involved in cell motility and cell shape.
"It's worth noting that neither iron oxide nanoparticles alone, nor the coating material alone are overtly toxic, but combining the two to create water-soluble nanoparticles has a completely different effect," said Pisanic, who carried out the studies as a part of a Ph.D. thesis project at UCSD.
Iron oxide nanoparticles are considered promising because they are maneuverable by remote magnetic fields, and can be coated with various marker molecules to make them stick selectively to tumors and other targets within the body. The particles can also be made to carry anti-cancer drugs or radioactive materials directly to a tumor. Magnetic nanoparticles designed to attach to cancerous tissue can also be made to heat up by using a remote, alternating magnetic field, thereby selectively killing cancer cells in a process called magnetic hyperthermia.
Many researchers throughout the world are also studying the use of iron-containing nanoparticles in gene therapy, magnetic resonance imaging (MRI), and other medically important applications. While studies have focused primarily on the many potential uses of nanoparticles, Jin said more attention should be paid to their safety. "Our experience leads us to conclude that any analysis of the biocompatibility of nanoparticles should include not just a toxicological study of the component parts," said Pisanic, "but also an examination of the total structure as a whole." ###
Read entire experiment to prove hurts nerves:
nanotechnologytoday.blogspot.com/2007/04/widely-used-iron-nanoparticles-exhibit.htmlnanoparticles and zero point gravity:
HEADS UP where headed and very soon:
Researchers say they have successfully generated electricity from heat by trapping organic molecules between metal nanoparticles, a finding that could yield cheap refrigerators, not to mention new, more efficient energy sources in general. (more…)
The atomic constituents of matter are never still, even at absolute zero. This consequence of quantum mechanics can result in continuous transition between different material states. Physicists at the Max Planck Institute for Chemical Physics of Solids have studied this phenomenon using ytterbium, rhodium and silicon at very low temperatures under the varying influence of a magnetic field.
University of Arkansas physics professor and his colleagues have created a nanoscale structure that contains both magnetic and superconducting properties at the same time, and they will be exploring the properties of this novel material this summer in Switzerland. (more…)
Researchers have used the world’s thinnest material to create a new type of technology, which could be used to make super-fast electronic components and speed up the development of drugs.
Combining two promising approaches to diagnosing and treating cancer, a multidisciplinary research team at the University of Michigan has created a targeted multifunctional polymer nanoparticle that successfully images and kills brain tumors in laboratory animals. This work was conducted as part of the National Cancer Institute’s Unconventional Innovations Program, an effort that first showed the promise of nanotechnology for diagnosing and treating cancer.
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Will be tested soon.....Read the Steorn timetable.
....."Steorn anticipates that testing will begin early in the New Year. The precise timetable for the testing phase will be determined by the jurors, as will the location and format of the test process. Once the testing is complete the results will be made public via the Steorn website [more]
www.steorn.com/Those huge increases in Electricity........Free Energy...........
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