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Nanoparticles affect brain development in mice

Maternal exposure to nanoparticles of titanium dioxide (TiO2) affects the expression of genes related to the central nervous system in developing mice. Researchers writing in BioMed Central?s open access journal Particle and Fibre Toxicology found that mice whose mothers were injected with the nanoparticles while pregnant showed alteration in gene expression related to neurological dysfunction.

Posted: Jul 29th, 2009

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Jet-propelled imaging for an ultrafast light source

A particle gun that fires liquid droplets less than a millionth of a meter in diameter, faster than hundreds of thousands of times a second, is poised to revolutionize biological imaging. Tested at Berkeley Lab?s Advanced Light Source and soon to be installed at SLAC?s Linac Coherent Light Source, the sample jet injects a beam of droplets across a tightly focused x-ray beam in single file, each droplet so small it contains only a single protein or virus.

Posted: Jul 29th, 2009

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Tiny X-ray tubes for cancer research packed with carbon nanotubes

The tubes that power X-ray machines are shrinking, improving the clarity and detail of their Superman-like vision. A team of nanomaterial scientists, medical physicists, and cancer biologists at the University of North Carolina has developed new lower-cost X-ray tubes packed with sharp-tipped carbon nanotubes for cancer research and treatment.

Posted: Jul 29th, 2009

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Nanoparticles package cancer-killing isotopes and deliver them into cancer cells

A group of researchers at Johns Hopkins University has designed nanoparticles that can carry cancer-treating radioisotopes through the body and deliver them selectively to tumors. Today in Anaheim, CA, they will report the latest results of their research, including studies in animal models, at the 51st meeting of the American Association of Physicists in Medicine.

Posted: Jul 29th, 2009

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Icy exposure creates nanocomposite-reinforced polymer high-tech foams

Chemists and engineers at the University of Warwick have found that exposing particular mixtures of polymer particles and other materials to sudden freeze-drying can create a high-tech armored foam that could be used for a number of purposes, including a new range of low power room temperature gas sensors.

Posted: Jul 28th, 2009

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Crystal structure data help optimize innovative materials

FIZ Karlsruhe offers ICSD, the world's largest database with fully identified inorganic crystal structures / evaluated data of unique quality / customized access options and new web presence with cutting-edge search and analysis functions.

Posted: Jul 28th, 2009

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Rethinking Brownian motion

Researchers at the University of Illinois have now revealed the truth about a classic bell-shaped curve used to describe the motion of a liquid as it diffuses through another material.

Posted: Jul 28th, 2009

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Inventor of IBM Racetrack memory wins IUPAP Magnetism Award and Neel Medal

At the International Conference on Magnetism today in Karlsruhe, Germany, IBM Fellow Stuart Parkin received the International Union of Pure and Applied Physics Magnetism award and the Louis Neel Medal for his pioneering work and fundamental contributions to the development of spintronic nano-materials and nano-devices for magnetic sensing, memory and logic devices.

Posted: Jul 27th, 2009

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Transparent aluminium is an exotic new state of matter

Oxford scientists have created a transparent form of aluminium by bombarding the metal with the world's most powerful soft X-ray laser. 'Transparent aluminium' previously only existed in science fiction, featuring in the movie Star Trek IV, but the real material is an exotic new state of matter with implications for planetary science and nuclear fusion.

Posted: Jul 27th, 2009

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