Abstract
AbstractThis work describes the development of a novel method for glucose determination exploiting a photoelectrochemical‐assisted batch injection analysis cell designed and constructed with the aid of 3D printer technology. The PEC‐BIA cell was coupled to a LED lamp in order to control the incidence of light on the Cu2O/Ni(OH)2/FTO photoelectroactive platform. The electrochemical characteristics of Cu2O/Ni(OH)2/FTO photoelectroactive platform were evaluated by cyclic voltammetry, amperometry, and electrochemical impedance spectroscopy. The PEC‐BIA cell presented linear response range, limit of detection based on a signal‐to‐noise ratio of three, and sensitivity of 1–1000 μmol L−1, 0.76 μmol L−1 and 0.578 μA L μmol−1, respectively. The PEC‐BIA method presented a mean value of the recovery values of 97.0 % to 102.0 % when it was applied to glucose determination in artificial blood plasma samples which indicates the promising performance of the proposed system to determine glucose.
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