Figure 12.

Multimode signal detection: (a) Picture of a 3 × 3 array e−skin (upper), schematic for each layer of the e−skin device (middle), results of real−time measurements of the temperature and strain sensors (lower). Reprinted with permission from Ref. [152]. Copyright 2014 John Wiley and Sons, (b) an array of printed Chem−Phys flexible patches (upper), image of a Chem–Phys patch along with the wireless electronics (middle), results of the real-time lactate concentration and the heart rate (lower). Reprinted with permission from Ref. [153]. Copyright 2016 Springer Nature, (c) a fabricated sensor sheet, showing the positions of the integrated sensors (upper) and real−time results for simultaneous measurement of human motion, skin temperature, and heart rate. Reprinted with permission from Ref. [155]. Copyright 2017 John Wiley and Sons.