Tiny 'wheel' to deliver drugs

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SCIENTISTS have devised a microscopic "swimming machine" that could deliver drugs inside the body by mimicking the wheel of a paddle-steamer.

The microswimmer is the first such device to move without using chemical propulsion or bending itself into different shapes.

New Scientist reported that the team at the University of Sheffield and the University of Barcelona believes its technology can easily be shrunk to nanoscale – at which size it would be useful as a drug carrier.

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