Engineers have designed tiny magnetic robots that help drug-delivery nanoparticles push their way out of the bloodstream and into a tumor/disease site. The microrobots, inspired by bacterial propulsion, could help to overcome one of the biggest obstacles to delivering drugs with nanoparticles.

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Engineers have designed tiny magnetic robots that help drug-delivery nanoparticles push their way out of the bloodstream and into a tumor/disease site. The microrobots, inspired by bacterial propulsion, could help to overcome one of the biggest obstacles to delivering drugs with nanoparticles.