Tumbling Microbots deliver Meds Through the Colon

The tiny magnetic robot developed at Purdue University, seen beneath the "U" on this US penny
The magnetic robot developed at Purdue University, seen beneath the “U” on this US penny
Purdue University/Georges Adam

Using tiny robots to deliver drugs is promising pathway when it comes to limiting side effects and increasing effectiveness, and some take a more theatrical approach than others. Scientists at Purdue University have come to the party with a back-flipping microbot that can tumble its way through the colon to release its payload when desired, all while being controlled externally by a magnetic field.

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