Rise of the micro machines
The group made machines made up of hollow tubular structures containing a thin layer of platinum on the inside. They found that the machines moved independently in a peroxide solution when controlled externally by a small magnet manipulated with a joystick. The microbots can be directed towards suspended cells in solution, where they pick them up and transport them to the desired location. They released the cells from the tube by rapidly turning the magnet.
Sanchez and his team hope that in the future their microbots could perform visionary tasks within the body. “I would like to see our microbots swimming inside the bodies of animals, delivering drugs to required locations, for example, in the vicinity of cancer cells or replacing diseased cells with healthy ones,” he said.
Original publication: S Sanchez, A A Solovev, S Schulze and O G Schmidt, Chem. Comm., 2010.
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