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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 4.

Figure 4

(A) Staircase amperograms of bare and MPc-modified GC electrodes with successive NO injections in pH 7.4 PBS and an applied potential of +1022 mV; (B) corresponding NO sensitivity amplifications relative to bare GC (n ≥ 3). Statistical information is with respect to GCE. (C) Experimental and theoretical (Eq. 3) selectivity coefficients for NO versus nitrite (n ≥ 3). Statistical information is with respect to perfectly selective amplification. * = p < 0.05, ** = p < 0.01, and *** = p < 0.001.