On: What new wearable sensors can reveal from perspiration

The mentioned Nature paper: "Fully-integrated wearable sensor arrays for multiplexed in-situ perspiration analysis", Nature, 529, 509-514, 2016.

http://nano.eecs.berkeley.edu/publications/Nature_2016_Sweat...

And there is more related research from Berkeley Javey Research Group on their publications page:

http://nano.eecs.berkeley.edu/publications/