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Researchers solve mystery of attractive surfaces

When smooth surfaces that hate water approach each other underwater, scientists have observed that they snap into contact. This is apparently due to attractive forces that extend for tens to hundreds of nanometers.

Posted: Aug 2nd, 2006

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Tiny inhaled particles take easy route from nose to brain

In a continuing effort to find out if the tiniest airborne particles pose a health risk, University of Rochester Medical Center scientists showed that when rats breathe in nano-sized materials they follow a rapid and efficient pathway from the nasal cavity to several regions of the brain.

Posted: Aug 2nd, 2006

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Optical breakthrough makes Lab-on-a-Chip possible

Georgia Tech researchers have found a way to shrink all the sensing power of sophisticated biosensors, such as sensors that can detect trace amounts of a chemical in a water supply or a substance in your blood, onto a single microchip.

Posted: Aug 2nd, 2006

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Magnetic nanocapsules for smart drug delivery

By combining peptide-based polymers with modified iron oxide nanoparticles, researchers have developed nanoparticles that can be manipulated in a magnetic field and that can respond to changes in pH and other physiologic stimuli.

Posted: Jul 31st, 2006

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Nanoparticle pH meters

Having the ability to measure pH in a tissue without the need for a biopsy could provide clinicians with a rapid method for determining if a suspicious growth is malignant. Two novel nanoparticles raise the distinct possibility that making such measurements could soon be reality.

Posted: Jul 31st, 2006

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Helium atoms deliver a new view

A newly devised nozzle fitted with a pinhole-sized capillary has allowed researchers to distribute helium atoms with X-ray-like waves on randomly shaped surfaces.

Posted: Jul 26th, 2006

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Flexible nanonetworks

In the future, you might be reading this on foldable electronic paper, according to an American scientist.

Posted: Jul 26th, 2006

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