Abstract
AbstractScreen printed carbon electrodes (SPCEs) modified by a combination of chitosan, multi walled carbon nanotubes (MWCNTs) and zinc nanoparticles (ZnNPs) were studied for the first time as a suitable candidate for non‐enzymatic insulin determination. In an effort to find the most suitable modification for electrochemical insulin determination, the stability, analytical characteristics, and selectivity were determined. The results confirmed that the ZnNPs/chitosan‐MWCNTs prepared with the Zn deposition time of 45 s displayed the best electrocatalytic activity towards insulin oxidation in a wide linear concentration range (0.5 μM to 5 μM), with low limit of detection and high sensitivity.
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