BINGHAMTON, NY – Researchers at Binghamton University, State University of New York, have developed a paper-based sensor patch to measure glucose levels during exercise. “The sensing platform holds considerable promise for efficient diabetes management, and a fully integrated system with a simple readout that can be realized toward continuous non-invasive glucose monitoring,” said Seokheun Choi, one of the researchers, in a statement. He said conventional measurements are not suitable for preventing hypoglycemia during exercise, so the research team has developed and demonstrated a self-powered, wearable and disposable patch that allows for non-invasive monitoring of glucose in human sweat. The wearable, single-use biosensor integrates a vertically stacked, paper-based glucose/oxygen enzymatic fuel cell into a standard Band-Aid adhesive patch. The device attaches directly to skin, wicks sweat to a reservoir where chemical energy is converted to electrical energy and monitors glucose without external power and sophisticated readout instruments. “Sweat-based glucose sensing is attractive for managing exercise-induced hypoglycemia because the measurement is performed during or immediately after exercise, when there is enough sweat to obtain an adequate sample,” said Choi.
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