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News Link • Robots and Artificial Intelligence

Electrically controlled DNA robot arm is 100,000 times faster...

• https://www.nextbigfuture.com, brian wang

Scientists at the Technical University of Munich (TUM) have developed a novel electric propulsion technology for nanorobots. It allows molecular machines to move a hundred thousand times faster than with the biochemical processes used to date. This makes nanobots fast enough to do assembly line work in molecular factories.

The DNA nanobot is shaped like a gearshift, with an extendible arm that ranges from 25 to more than 400 nanometers long that's attached to a 55-by-55-nanometer platform. 

Friedrich Simmel, a biophysicist at the Technical University of Munich, and his colleagues could swivel their DNA robotic arm 360 degrees in a matter of milliseconds. To lock the arm down in particular positions, the team built latches made of short, single-stranded DNA into the platform.

Such quick, efficient DNA nanobots could someday help move tiny cargo, such as molecules or nanoparticles, in a nanofactory that manufactures new types of materials.

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