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Electrochemical raw data (1) of Ag-SPE/—/PPy devices in 1.0 mM Ru3+, in buffer, pH 7.2, by CV (A), SWV (B) and EIS (C) readings, after incubation in increasing concentrations of CEA, along with the corresponding calibration curves (2), including also the response of Ag-SPE/PPy for comparison purposes.
