Nanotechnology News – Latest Headlines

DNA sorts out carbon nanotubes

DNA could be the answer to sorting different kinds of carbon nanotubes, say US researchers. Short strings of synthetic DNA wind onto nanotubes in a very sequence-dependent way, which has allowed researchers to separate 12 of the most common types of tubes from the inevitable mixtures that form when nanotubes are synthesised.

Jul 9th, 2009

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Virginia county working on nanotechnology park

A regional economic development body with a vacant, nearly 1,000-acre business park in Pulaski County endorsed Wednesday the concept of committing a small piece of it to a $20 million home for nanotechnology businesses and education.

Jul 9th, 2009

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Miniaturized lasers can emit quantum light

The discovery of this quantization of the light field has opened up a new field of physics - quantum optics. In modern lasers the light emission can take place within a picosecond, a 1000 times faster than has ever been detected before in photon sequence measurements. A team in Germany made a major breakthrough: in several years of work the worldwide first detector has been developed which has the necessary temporal resolution.

Jul 9th, 2009

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New effort to monitor the effects of nanomaterials on the environment

University of Alberta biological sciences professor Gregg Goss is on the front line of a new effort to monitor the effects of nanomaterials on the environment. Goss will help lead a team of 19 researchers from across the country in a three-year study of the toxicity of nanomaterials in aquatic environments.

Jul 8th, 2009

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Dye-doped DNA nanofibers emit white light

A team of researchers at the University of Connecticut and the US Air Force Research Laboratory has now successfully used the electrospinning of DNA complexes to produce nanofibers that incorporate two different fluorescing dyes in such a way that energy can efficiently be transferred from one dye to the other. The color of the resulting fluorescence can be controlled by means of the ratio of the two dyes.

Jul 8th, 2009

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