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. 2019 Jan 11;19(2):268. doi: 10.3390/s19020268

Figure 4.

Figure 4

CV (A) and DPV (B) curves of different materials modified SPEs for detection of 100 μmol·L−1 nitrite in 0.1 mol·L−1 PBS (pH 7.0) (a: naked SPE, b: Fc(Cys)2/SPE; c: Fc-ECG/SPE).