Self-propelled microbots navigate through blood vessels.
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Researchers at the École Polytechnique de Montréal, in Canada, led by professor of computer engineering Sylvain Martel, have coupled live, swimming bacteria to microscopic beads to develop a self-propelling device, dubbed a nanobot. While other scientists have previously attached bacteria to microscopic particles to take advantage of their natural propelling motion, Martel's team is the first to show that such hybrids can be steered through the body using magnetic resonance imaging (MRI).
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