Fig. 2

EIS of 10 mM [Fe(CN)6]3−/4− containing 0.1 M KCl on the AuE (a), the cDNA/AuE (b), and the Apt/cDNA/AuE before (c) and after (d) addition of FB1 and Exo-I
EIS of 10 mM [Fe(CN)6]3−/4− containing 0.1 M KCl on the AuE (a), the cDNA/AuE (b), and the Apt/cDNA/AuE before (c) and after (d) addition of FB1 and Exo-I