An electrochemical glucose sensor based on a screen-printed diamond electrode was fabricated as a low-cost, disposable, and sensitive electrode. Amperometric detection of glucose was achieved by using a glucose-oxidase-immobilized cobalt phthalocyanine/boron-doped diamond powder (GOx-CoPc/BDDP)-printed electrode, with a linear calibration curve in the concentration range of 0.2–1.0 mM. The background current for the GOx-CoPc/BDDP-printed electrode stabilized faster than that for the GOx-CoPc/carbon-printed electrode, which confirms its practical usefulness for the detection of glucose at low concentrations.
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Kondo et al. (2013) studied this question.
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