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Nanotechnology for water filtration

Among many potential applications, carbon nanotubes are great candidate materials for cleaning polluted water. Many water pollutants have very high affinity for carbon nanotubes and pollutants could be removed from contaminated water by filters made of this nanomaterial, for example water soluble drugs which can hardly be separated from water by activated carbon.

Posted: Jul 21st, 2011

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Wasserfilter mit Nanotechnologie

Neben vielen anderen Anwendungsmoeglichkeiten koennen Nanoroehren zur Reinigung von kontaminiertem Wasser eingesetzt werden. Viele wasserverunreinigende Stoffe haben eine hohe Affinitaet fuer Kohlenstoffnanoroehren. Deshalb koennen Schadstoffe aus kontaminiertem Wasser entfernt werden, indem sie durch dieses Material gefiltert werden.

Posted: Jul 21st, 2011

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Research outlines math framework that could help convert 'junk' energy into useful power

A University at Buffalo-led research team has developed a mathematical framework that could one day form the basis of technologies that turn road vibrations, airport runway noise and other "junk" energy into useful power. The concept all begins with a granular system comprising a chain of equal-sized particles -- spheres, for instance -- that touch one another.

Posted: Jul 20th, 2011

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Key advance toward single-molecule electronics

Scientists are reporting a key advance toward the long-awaited era of "single-molecule electronics," when common electronic circuits in computers, smart phones, audio players, and other devices may shrink to the size of a grain of sand.

Posted: Jul 20th, 2011

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How nanotechnology will transform disease detection

Conventional diagnostic tools often cannot detect many cancers, Alzheimer's and other life-threatening diseases early enough to provide effective treatment. But nanotechnology, which is revolutionizing electronics and other fields, promises to similarly transform medicine, particularly when it comes to identifying illnesses more quickly.

Posted: Jul 20th, 2011

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Physicists break 150-year-old law

A violation of one of the oldest empirical laws of physics has been observed by scientists at the University of Bristol. Their experiments on purple bronze, a metal with unique one-dimensional electronic properties, indicate that it breaks the Wiedemann-Franz Law.

Posted: Jul 20th, 2011

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Nanomedicine's health hope

New nanotechnology-based treatments, including nerve tissue engineering that draws on the limb-regrowing ability of the axolotl, and techniques for targeted attacks on ovarian and lung cancer, were discussed at a major nanomedicine conference in Sydney last week.

Posted: Jul 20th, 2011

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A closer look at plasmonics

The combination of transmission electron microscopy and electron energy-loss spectroscopy allows for the study of surface plasmon resonance in nanostructures.

Posted: Jul 20th, 2011

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