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. 2021 Jul 26;21(15):5063. doi: 10.3390/s21155063

Figure 14.

Figure 14

Cyclic voltammograms for 10 µM insulin in 0.1 M NaOH on SPCE/MWCNT/NiO1.5 stored for 72 h at 8 °C (blue line), 22 °C (red line), and 40 °C (black line).