Fig. 8From: Advances in the development paradigm of biosample‐based biosensors for early ultrasensitive detection of alzheimer’s diseaseReprinted with permission from ref. [192]Fabrication of sweat-based biosensor and its working principle: a An integrated sensor with working (WE), reference (RE), and counter electrode (CE) for DA detection, b A graphical presentation of testing setup, and (C) DPV graph obtained from the DA sensor.Back to article page