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A non-invasive way to measure the level of glucose in saliva accurately


Highly Sensitive Biosensor for Measuring Glucose in Saliva

This new ultra-sensitive transistor-based biosensor can measure the level of glucose in saliva. Fabricated by using a glucose oxidase enzyme layer, the biosensor is sensitive only to glucose. It simply measures the glucose level by detecting the electric current in saliva, which reflects glucose level in human body. Comparing to conventional blood-glucose measuring device, this biosensor can detect glucose level as low as 10-5mmol/L. That is a thousand times more sensitive than conventional measurement. Apart from being inexpensive to manufacture, the biosensor can be fabricated with flexible substrates to apply on curved and moving surfaces, including human skin and such wearable electronics as smart textiles and medical bandages.

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