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The wearable biochemical sweat sensor's capability to provide insight into molecular information of health dynamics ignites sweat analysis as a promising noninvasive diagnosis scheme for precision medicine. Here, we demonstrate, for the first time, a colorimetric sweat induction microfluidic patch, which facilitates on-demand sweat glands activation by agonist coupled electrode and capillary action-based fluidics to collect microliter volumes (similar to 5 mu L) of sweat for monitoring its analytes by digital image analysis. The system's clinical utility demonstrated on a healthy volunteer for sweat pH monitoring flags the way towards other important sweat markers analysis for personalized healthcare.
Danick Briand, Silvia Demuru, Jaemin Kim, Brince Paul Kunnel, Vincent Gremeaux, Shu Wang
Christian Enz, Sandro Carrara, Assim Boukhayma, Ata Jedari Golparvar, Mattia Petrelli