For people with diabetes, blood sugar monitoring is a daily — and sometimes hourly — chore. Most approaches are invasive and involve piercing the skin, which can cause pain.
Now, researchers at Yonsei University in Korea have developed a wearable patch that emits fluorescence based on the wearer’s blood sugar levels. In a study recently published in Science Advances, researchers revealed a thin, invisible, and biodegradable patch that successfully measured different concentrations of blood glucose in mice.1
The researchers speculated that when combined with a smartphone application, the technology could help patients with diabetes continuously and noninvasively monitor their blood glucose levels.
Many people with diabetes monitor their blood sugar with a standard glucose meter. They prick their fingertips with a hairlike needle, or lancet, to draw minuscule amounts of blood. If done incorrectly, this process can be painful and cause hard calluses. Other common alternatives are also invasive.2
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