An innovative device could pave the way for more convenient diabetes monitoring. A prototype sensor that measures glucose levels in saliva could eventually offer a simple, rapid, and painless way for people to monitor their diabetes, according to the King Abdullah University of Science & Tech
KAUST researchers have developed a sensor that can measure glucose levels in saliva, offering diabetics an alternative means to monitor glucose levels in their blood. Credit: © 2023 KAUST; Anastasia SerinA prototype sensor that measures glucose levels in saliva could eventually offer a simple, rapid, and painless way for people to monitor their diabetes, according to the King Abdullah University of Science & Technology researchers behind the technology.
People with diabetes have traditionally monitored their blood glucose using devices that analyze a drop of blood by pricking a finger several times a day. More recently, implanted sensors can provide continuous glucose monitoring without unpleasant pinpricks, but these devices can be less accurate for lower glucose levels and are not approved for children.
The KAUST team has now created a highly sensitive glucose detector based on a thin-film transistor. These small, lightweight, and low-power devices could be suitable for mass production as inexpensive disposable sensors, says team member Abhinav Sharma. “An easy-to-use noninvasive glucose-measuring device using saliva as a medium could be life-changing for millions of patients worldwide,” he says.indium oxide and zinc oxide, topped with the enzyme glucose oxidase.
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