Wireless system could track tumors, dispense medicine

Dina Katabiand MIT CSAIL colleagues have developed ReMix, which uses lo power wireless signals to pinponit the location of implants in the body.  The tiny implants could be used as tracking devices on shifting tumors to monitor  movements, and in the future to deliver drugs to specific regions.

The technology showed centimeter-level accuracy in animal tests.

Markers in the body reflect the signal transmitted by the wireless device outside the body, therefore a battery or external power source are not required.


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