Abstract
AbstractN‐isopropylacrylamide was polymerized on the surface of copper‐plated carbon paper electrode by a novel redox initiation system composed of persulfate and copper nanoparticles, and the PNIPAAm−Cu NPs@CP film electrode was obtained. Cyclic voltammetry (CV) results showed that the electrode exhibits a reversible temperature, pH and glucose switchable electrical signal response through the ferrocene carboxylic acid (Fc(COOH)). With this basis, a 4‐current output logic gate system consisting of 3‐response inputs of temperature, pH, and glucose was fabricated and a corresponding logic circuit for 3‐input/4‐output ports was established. This work might provide a new avenue for the development of multi‐valued biologic systems.
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