Wearable Sweat Sensor Made from Microbial Nanocellulose

Researchers in Brazil have developed a wearable sweat sensor made from microbial nanocellulose.

The natural polymer provides a breathable interface with the underlying skin and allows sweat to travel through for electrochemical analysis using printed electrodes.

The system can measure a wide variety of metabolites and biomarkers present in sweat, and could be useful for monitoring conditions such as diabetes.