Revolutionary Sensor Tracks Glucose Levels in Sweat Long-Term

Researchers at Penn State have developed a wearable sensor that can monitor glucose levels in sweat continuously for up to three weeks. The sensor, made from a laser-modified graphene nanocomposite material, also tracks body temperature and pH levels. Previous attempts at sweat-based glucose monitoring have been limited by low biomarker concentration levels and variability in factors such as pH and temperature. The new sensor addresses these challenges and offers a low-cost, convenient, and accurate platform for continuous analysis of sweat, with potential applications in personalized medicine and precision nutrition.