A new patch has been developed which has been constructed using graphene and includes gold components to help diabetics monitor their blood sugar levels more accurately.
The new blood sugar level monitoring patch is currently in its prototype development stage and has been created by Seoul National University assistant professor Dae-Hyeong Kim and a team of researchers.
The sensors are capable of detecting your temperature and pH/chemical composition from your sweat and then transmits the data to your smartphone and companion application for easy viewing and monitoring. The IEEE website explains more :
The wristband senses a number of things in the patient’s skin—the mechanical strain, the temperature, and above all the chemical composition of the sweat—to infer the level of blood glucose. The researchers report a lag of 15 to 20 minutes between a change in the blood and the corresponding change in the sweat, but the latency may not be too much of a problem for people with Type 2 diabetes.
Next, the wristband shares sensor data wirelessly with a mobile device, which calculates the proper dose of metformin and has the wristband administer it through an array of microneedles. The array goes into action when a current warms it to 41 degrees Celsius (105 °F), which makes you wonder what would happen, say, at high noon in the tropics. But at least the microneedles are unobtrusive enough to call the device minimally invasive—a selling point for needle-shy patients.
For more information on the new new blood monitoring patch jump over to the websites via the links below for more details.
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