Old but still good

Injectable Glowing Beads In Bloodstream Can Indicate Glucose Levels

— an implantable, fluorescent blood-sugar monitor. It involves small hydrogel beads that vary the intensity of emitted light depending on glucose concentration. They’re called Life Beans.

The system, developed at the University of Tokyo, could lead to implantable blood-glucose monitors, which could enable 24-7 monitoring of a diabetic’s blood sugar without having to prick the skin or use an attachable pump.

“Beans” stands for Bioelectrical Mechanical Autonomous Nano Systems.”

Researchers tested it in the ears of a mouse, and watched as the ear fluoresced at different intensities depending on the mouse’s blood sugar.

Anything that can get rid of fingersticks.

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