British scientists have created a non-invasive glucose meter

A team of researchers from the University of Leeds has developed a small, portable glucose meter that non-invasively measures blood glucose. The device uses nano-engineered silica glass, the touch of which initiates the process.

A low-power laser sends a ray to the finger, and the appropriate sensors measure the duration of fluorescence, thus allowing the glucose to be determined. Clinical tests confirm as much as 95.5% accuracy, and this is roughly the level achieved by current measurement methods, but does not require patient blood sampling.

The current prototype is still quite large and requires a large area where it can be laid. However, in the future the device will be miniaturized so that the patient can carry it with him. Scientists believe that it could be built into, for example, a smartphone or tablet, which would greatly increase the functionality of this technology.

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