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. Author manuscript; available in PMC: 2020 May 16.
Published in final edited form as: Anal Chim Acta. 2019 Jan 29;1056:88–95. doi: 10.1016/j.aca.2019.01.026

Figure 4.

Figure 4

(a) DPVs of 25 μM NE and 10 μM 5-HT in 0.1 M PB in the pH range of 5.0 – 9.0 at ERGO-BDDPE, note DPVs are offset for clarity. (b) The relationship of oxidation current of NE and 5-HT against pH (n = 3). DPV measurements were performed at an amplitude of 60 mV, potential increment of 4 Hz, and a pulse width of 0.05 s.