Figure 8.
(a): OCMEFET placed on the skin of a finger, demonstrating its good conformability [113]. (b): OECT patterned on polyethylene naphthalate foil bent with a radius of 6 mm to mimic a real-life application; interfacing the sensor with a portable, handheld, battery-powered electronic readout from Elements srl company, wirelessly transmitting the current signal to a smartphone application [115].