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. 2021 Mar 18;1159:338418. doi: 10.1016/j.aca.2021.338418

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Fig. 3 — CVs of 0.4 mM [Fe(CN)₆]^3-/4- in 0.1 M KCl at a scan rate of 100 mV s⁻¹ (A), and SW stripping voltammograms of 25 μg mL⁻¹ favipiravir in surfactant-free BR buffer at pH 8.0 (B) recorded using cathodically (CPT-) or anodically (APT-) pretreated BDD electrodes. Accumulation period, 30 s at open-circuit condition; SWV parameters: frequency, 50 Hz; step potential, 8 mV; pulse amplitude, 30 mV.