Blood Testing Via Sound Waves May Replace Some Tissue Biopsies, MIT Reveals

Published: Sep 19, 2017

Cells secrete nanoscale packets called exosomes that carry important messages from one part of the body to another. Scientists from MIT and other institutions have now devised a way to intercept these messages, which could be used to diagnose problems such as cancer or fetal abnormalities.

Their new device uses a combination of microfluidics and sound waves to isolate these exosomes from blood. The researchers hope to incorporate this technology into a portable device that could analyze patient blood samples for rapid diagnosis, without involving the cumbersome and time-consuming ultracentrifugation method commonly used today.

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