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. 2022 Jun 29;12(7):472. doi: 10.3390/bios12070472

Figure A3.

Figure A3

The selectivity test for the CuCe/GE: comparison of current responses on the added analytes up to 2 mM concentration: H2O2 (1), L-Arg (2), glucose (3), methylamine (4), methanol (5), ethanol (6), and catechol (7). Conditions: working potential −50 mV vs. Ag/AgCl (reference electrode), 50 mM acetate buffer, pH 4.5 at 23 °C.