In this work a chemical sensor prototype had been electrochemically characterized using a Single-Walled Carbon Nanotubes (SWCNTs) modified gold microelectrode. Several molecular probes (such as ascorbic acid, uric acid, acetaminophen) were investigated by cyclic voltammetry. These compounds are useful to evaluate the selectivity of the electrochemical biosensor prototypes interesting for several analytical applications in environmental monitoring, food quality control and clinical diagnosis.
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