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News for Healthier Living
From Sweat to Signal: A Wearable Optical System for Glucose Detection
 Continuous glucose monitoring is essential for effective diabetes management, yet most existing systems rely on invasive sensors that can cause discomfort and skin irritation. To address this limitation, researchers have developed a portable, label-free optical system capable of detecting glucose directly from human sweat. By combining nanostructured plasmonic materials with molecular recognition chemistry, the system achieves high sensitivity in the low micromolar range relevant to real sweat conditions. Integrated into a wearable optical watch prototype, the technology enables real-time signal acquisition and wireless data transmission. This work demonstrates a promising non-invasive alternative to conventional glucose monitoring and highlights how nanophotonics can transform everyday health sensing.
February 12, 2026
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