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Technology update

May 22, 2007

Telling left from right

Researchers in Japan have separated left and right-handed carbon nanotubes. Naoki Komatsu of Shiga University of Medical Science and colleagues achieved their breakthrough result using special, chemical "nano-tweezers" that can selectively pick between the two different types of nanotube from a mixture. This technique is the first to produce optically active nanotubes and could be a valuable step in preparing these materials for applications in nano- and optoelectronics.

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