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

Figure 7.

Figure 7

Amperometric characteristics of the ArgO/PO/GE (a,b), the ArgO/nCuCe/GE (c,d), and the ArgO/nCuCe/pAu/GE (e,f): (a,c,e) dependence of amperometric signal on concentration of L-Arg; (b,d,f) calibration graphs for L-Arg determination. Conditions: working potential −150 mV vs. Ag/AgCl/3 M KCl in 50 mM PB, pH 7.5.