A saliva test for glucose.

“Those re-engineered aptamers were then mounted on a gold electrode within an E-AB biosensor, which was subsequently immersed in saliva gathered from a group of test subjects. Not only was the sensor able to measure glucose concentrations in the liquid – providing readings in just 30 seconds – it also retained its sensitivity for up to one week, as long as it was washed and stored in phosphate-buffered saline solution after each use.” ~ learn more