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. 2023 Jun 7;14(6):315. doi: 10.3390/jfb14060315

Figure 7.

Figure 7

The investigation of the selectivity (a) and possible interference effect (b) of constructed ChOx/nCuFe/nPt/GCE at various compounds without and with the addition of 0.5 mM CHOL. Glucose (GU), urea (UR), ascorbic acid (AA), creatinine (CN) glutamine (Gln) glutamic acid (Glu), glutathione (GSH), lysine (Lys) and cholesterol (CHOL). The analytical signal under the working potential—250 V is presented in relative units (%) related to the maximal current signal on CHOL (100%).