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A flare for gene silencing

US scientists have developed nanoparticle probes coated with DNA that release fluorescent 'flares' when they silence genes inside cells.

Posted: Nov 28th, 2007

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'High Q' NIST nanowires may be practical oscillators

Nanowires grown at the National Institute of Standards and Technology have a mechanical 'quality factor' at least 10 times higher than reported values for other nanoscale devices such as carbon nanotubes, and comparable to that of commercial quartz crystals.

Posted: Nov 27th, 2007

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White House issues memo on nanotechnology EHS oversight

The White House Office of Science and Technology Policy and Council on Environmental Quality have issued a memo to the heads of executive departments and federal agencies titled 'Principles for Nanotechnology Environmental, Health, and Safety Oversight.'

Posted: Nov 27th, 2007

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South Africa launches first nanotechnology innovation centers

To ensure that South Africa remains competitive with the international research community in this fast-developing field, the country's nanoscience and nanotechnology effort is being coordinated at national level by the Department of Science and Technology (DST) through its National Nanotechnology Strategy.

Posted: Nov 26th, 2007

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EU project hopes to revolutionize telecoms

A team of European scientists has published the details of its research into three-dimensional photonic crystals which they believe could revolutionize the world of telecommunications.

Posted: Nov 26th, 2007

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Nanoswitches toggled by light

Microscopic fissures in a tiny crystal open and close-on command. Such switchable nanochannels could be useful for future nanoelectronics and nanoscopic machines.

Posted: Nov 26th, 2007

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