Light-activated on/off switch for DNA nanomachines

from rsc.org:

A light-activated switch to turn nanomachines on and off has been developed by Japanese researchers. The team showed how tiny tweezers made with DNA could be triggered to open and close in response to UV and visible light. The clever mechanism is hoped to find useful roles in designing future nano-robots.

‘We are designing DNA nano-robotics that are mechanically operated by light rather than chemical fuel,’ says Hiroyuki Asanuma, who led the research at Nagoya University, Japan. ‘In other words, we are creating “environment-friendly” nano-robotics.’

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