Blood glucose-powered sensor for long term monitoring

Subhanshu Gupta and Washington State colleagues have developed an implantable sensor, powered by  harvested blood glucose, for long term monitoring.

The electronics consume only a few microwatts of power, while being highly sensitive. Combined with the biofuel cells,  the sensor is more efficient than (and non-toxic as compared to) traditional battery-powered devices.  Fueled by body glucose, the electronics can be powered indefinitely.

According to Gupta; “The human body carries a lot of fuel in its bodily fluids through blood glucose or lactate around the skin and mouth. Using a biofuel cell opens the door to using the body as potential fuel.”

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