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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 2023
Image 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
Biological microbots made from bubbles 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.
Many people hope that microbots – which are often made from simple biological compounds or tissues when used for medicine, rather …
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