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. Author manuscript; available in PMC: 2019 May 20.
Published in final edited form as: Electrochim Acta. 2018 Mar 23;273:98–104. doi: 10.1016/j.electacta.2018.03.139

Figure 2.

Figure 2

(A) Differential pulse voltammograms of bare and MPc-modified GC electrodes in the presence of 23.75 uM NO in pH 7.4 PBS with (B) corresponding peak potentials (n ≥ 3). (C) Overlay of DPV traces collected in the presence of different NO concentrations on a FePc-modified GC electrode (Inset: calibration curve from the peak currents as a function of concentration). (D) Nitric oxide sensitivity amplification of MPc-modified electrodes relative to bare GC (n ≥ 3). * = p < 0.05, ** = p < 0.01, and *** = p < 0.001 with respect to GCE.