Health: Showing the true colour of dehydration

A low-cost wearable skin patch that can monitor the level of perspiration from the human body, and could be used to track hydration levels in athletes, firefighters, and construction workers

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This Special Topic addresses the second of these challenges, by examining the state of “nanomanufacturing”, reviewing a commercial success in the field, and introducing processes that have promise for mass production.

Eric M. Yeatman, Hannah M. Gramling and Evelyn N. Wang

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