| Medical ultrasound (3) |  |
"Bubbles like these are used already to improve the contrast in some medical ultrasound imaging. They can be injected into the bloodstream,
The basic concepts behind the researchers'technology are akin to those of medical ultrasound imaging. They created a tiny ultrasound imager,
"Ultrasound images are collected in the same way that medical ultrasound is conducted, "said Horsley.""Transducers on the chip's surface emit a pulse of ultrasound,
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