Researchers on the College of Washington have developed GlucoScreen, a smartphone system that may precisely measure blood glucose ranges. The know-how consists of a take a look at strip onto which a consumer locations a drop of blood. Following an electrochemical response on the strip, the info are transmitted to the smartphone via a sequence of faucets on the contact display screen, considerably like Morse code. Cleverly, the take a look at strip is battery-free and as an alternative derives energy from the smartphone digital camera flash, and the strip can work with any smartphone with a typical touchscreen (and digital camera flash). Up to now, the know-how has been proven to be as correct as normal glucometers, and will help with at-home testing for pre-diabetes.
Prediabetes is a puzzler, with many individuals being utterly unaware that they’ve the situation. Growing entry to diagnostic applied sciences might assist extra folks to turn out to be conscious of their situation, and undertake life-style modifications to keep away from the event of full-blown kind 2 diabetes. This newest know-how goals to do exactly that by harnessing the facility of the ever-present smartphone.
“In typical screening an individual applies a drop of blood to a take a look at strip, the place the blood reacts chemically with the enzymes on the strip. A glucometer is used to research that response and ship a blood glucose studying,” stated Anandghan Waghmare, a researcher concerned within the examine. “We took the identical take a look at strip and added cheap circuitry that communicates information generated by that response to any smartphone via simulated tapping on the display screen. GlucoScreen then processes the info and shows the outcome proper on the telephone, alerting the particular person if they’re in danger so that they know to observe up with their doctor.”
The system doesn’t require a battery, and as an alternative includes attaching a photo voltaic sensor to the smartphone digital camera flash. When the telephone is used to acquire the blood glucose information from the take a look at strip, the app will interact the smartphone flash, offering energy to the take a look at strip in order that it could relay the info. Cleverly, the strips communicates with the telephone haptically, utilizing a sequence of touches on the smartphone touchscreen to relay the info. The information evaluation itself takes place on the telephone.
“As a result of we use the built-in capacitive contact display screen that’s current in each smartphone, our answer may be simply tailored for widespread use. Moreover, our strategy doesn’t require low-level entry to the capacitive contact information, so that you don’t must entry the working system to make GlucoScreen work,” stated Jason Hoffman, one other researcher concerned within the venture. “We’ve designed it to be ‘plug and play.’ You don’t have to root the telephone — actually, you don’t have to do something with the telephone, apart from set up the app. No matter mannequin you may have, it’s going to work off the shelf.”
See a video in regards to the know-how under.
Examine in journal Proceedings of the Affiliation for Computing Equipment on Interactive, Cellular, Wearable and Ubiquitous Applied sciences: GlucoScreen: A Smartphone-based Readerless Glucose Test Strip for Prediabetes Screening
Through: University of Washington