Motes operate as a single-chip system, complete with their own electronic circuit. They’re implanted via hypodermic needle, and the data they collect is read using an ultrasound machine. And though the chips have only been tested in lab rats, the Columbia team hopes that one day they can assist in monitoring everything from glucose levels to oxygen saturation.
‘These devices can be designed to sense things and communicate this information back to the ultrasound image, which also provides biogeographical data on where this particular information was sensed,’ says lead researcher Ken Shepard, PhD, professor of electrical engineering and biomedical engineering at Columbia.
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