Tag: "nanometer" at medical news

Water flows like molasses on the nanoscale

...erties and infer the forces acting in films of one nanometer thickness or less. "If you want force, it is pr...the thickness of the confined film reached the 1.5 nanometer range. As they continued to compress the water and measure the lateral forces, the viscosity increas...

Picture this: FSU professor's research could lead to vastly improved medical imaging

...oated with Fe8, the Fe8 film would be only about a nanometer one-billionth of a meter deep. This could increase our ability to store data in smaller and smaller spaces." It also could lead to significant breakthroughs in the area of quantum computing, which has the potential to create computers that are expo...

Using nanomagnets to enhance medical imaging

...net concentration is below a certain threshold. (A nanometer is one billionth of a meter.) Previous studies by other research groups had reached conflicting conclusions on the utility of molecular nanomagnets for MRI, but without accounting for concentration. NIST scientists, making novel magnetic measurements...

Novel Ames Lab composite may replace depleted uranium

... when the grain size of tungsten is reduced to the nanometer scale, it's propensity to shear localize is significantly increased. So Sordelet and his Ames Laboratory co-workers, Ryan Ott, Min Ha Lee and Doug Guyer, decided to use a mechanical milling approach to reduce the grain size of coarse-grain tungsten a...

Pure carbon nanotubes pass first in vivo test

...low cylinders of pure carbon that measure just one nanometer in diameter about the same width as a strand of DNA. Nanotubes have unique chemical and optical properties, and they have attracted intense interest from biomedical researchers. "The early results are promising for anyone interested in using carbo...

Rush researchers explore nanotechnology as diagnostic and treatment tool

...nct faculty at Rush University Medical Center. A nanometer is one billionth of a meter or 1/80,000 the width ...viral particles as templates to fabricate uniform, nanometer imaging probes and drug carriers. The research team is extracting the DNA from viral particles and...

NYU researchers decorate virus particles, showing potential to enhance MRI capabilities

...ork University have made chemical modifications to nanometer sized virus particles--a process that has the potential to improve magnetic resonance imaging (MRI) techniques. Their results are reported in the latest issue of Nano Letters. The study was conducted jointly by NYU's Department of Chemistry and the D...

Beyond the hype and the scare stories, how safe are nanoparticles?

...hnology-based products. Nano means billionth, so a nanometer is a billionth of a meter. That is clearly very small: on this scale, a human hair is enormous at 100 000 nm across and even red blood cells are thousands of nanometers in diameter. But a DNA molecule, for example, is 2 nm wide. At this level, the pr...

Michigan State research sheds new light on health dangers of nanoparticles

...s, which are less than 100 nanometers in size. One nanometer is one-billionth of a meter. According to research presented by Michigan State University researchers at seminar at the annual American Association for the Advancement of Science conference titled "Nanotechnology 2006: Toxicology of Nanoparticles," ...

A giant step toward tiny functional nanowires

..., 40, 50, 70, 100, 140 and 210 nanometers wide. (A nanometer is one billionth of a meter or roughly the length of three atoms side by side. A DNA molecule is 2.5 nanometers wide.) In recent days, they have refined the technique to be able to make gaps as small as 2.5 nanometers wide. "With dip-pen nanolithogr...

Nanoparticles carry cancer-killing drugs into tumor cells

... slip through tiny openings in cell membranes. One nanometer equals one-billionth of a meter, which means it would take 100,000 nanometers lined up side-by-side to equal the diameter of a human hair. Dendrimers have a tree-like structure with many branches where scientists can attach a variety of molecules, in...

New research raises questions about buckyballs and the environment

...exhibit unusual properties because they are at the nanometer scale one billionth of a meter, the range where molecular interactions and quantum effects take place. It is precisely these characteristics that make them both so potentially useful and hazardous to biological systems. "I think we should expect the...

'Nanoshells' simultaneously detect and destroy cancerous cells

...ity. Because these spheres are constructed on the nanometer scale (one billionth of a meter, the range where molecular interactions take place), they exhibit unique size-dependent behavior, such as tunable optical properties. This allows researchers to design particles that scatter and absorb light at particu...

Nanotechnology's miniature answers to developing world's biggest problems

...ices, and systems through control of matter at the nanometer scale (one nanometer being equal to 1 x 10-9 of a meter), and the exploitation of novel phenomena and properties of matte...

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(Date:10/16/2014)... efficiently, they are anything but sustainable: environmental damage ... is becoming increasingly evident. Despite their disadvantages, however, ... regarded as the sole possibility of achieving higher ... Bernhard Schmid, an ecology professor at the University ... agriculture and forestry. After all, a new study ...
(Date:10/16/2014)... Calif. (October 16, 2014) – Post-menopausal women experienced ... on hormone levels or genital bleeding, after 12 ... an investigational fermented soy germ-based nutritional supplement previously ... to a new peer-reviewed pilot study reported in ... (NAMS) annual scientific meeting. , "These data ...
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