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Ultrasound has been used to direct microbots made from bubbles through the brain of a mouse as they are tracked, and the technology might one day help unblock clots that can cause stroke
Health 15 February 2023Image of blood vessels in a mouse brain with a blow-up showing fluorescent microbubbles being directed with ultrasound (scale bar is 10 micrometres) Shuler, Megan
Bubble-like microbots have been tracked moving inside the brain of a living mouse as they were steered by ultrasound.
“While the mouse is under the microscope, we can see the small particles moving in the blood,” says Daniel Ahmed at ETH Zurich in Switzerland. “Without real-time tracking – it’s super difficult to know what you are doing inside there.”
Many people hope that microbots – which are often …
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