Fig. 3: Multiplexed biosensor patch characterization.
From: Garment embedded sweat-activated batteries in wearable electronics for continuous sweat monitoring
a Optical images of the multiplexed biosensor patch. b–d Optical images of SMS embedded in the head band, elbow pad, and knee pad. e, f Calibration curve of the Na+ sensor and pH sensor. g The skin impedance changes as a function of time after dropping 10 μL water. h, i Anti-interference characterization of the Na+ sensor and pH sensor. j Results comparison of the skin impedance and commercial hydration instrument.
