Researchers create a low-cost sensor that detects heavymetals in sweat
]. In this work, we designed a flexible copper electrochemical sensor with an easy, inexpensive, and prototyping method to detect lead and cadmium in sweat samples. The flexible sensory platform contains a full electrochemical system with an auxiliary and reference electrode consisting of copper tape, and a working electrode consisting of copper tape decorated with bismuth micro/nanodentrites obtained via electrodeposition.
The flexible copper sensors decorated with bismuth micro/nanodentrites were fabricated on a flexible polyethylene terephthalate substrate using a procedure with simple steps and inexpensive materials, as demonstrated in
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