Figure 4 | Scientific Reports

Figure 4

From: An Elegant Analysis of White Spot Syndrome Virus Using a Graphene Oxide/Methylene Blue based Electrochemical Immunosensor Platform

Figure 4

(A) Effect of pH on CV of GCE/GO@MB at v = 50 mV s−1 and inset plot is E° vs pH, (B) Electrochemical impedance responses obtained with the bare GO (a), GO@MB (b), GO@MB-Ab1 (c), GO@MB-Ab1-BSA-Ag (d), GO@MB-Ab1-BSA-Ag-Ab2 (e) in 0.1 M KCl solution containing 5 mM each of [Fe(CN)6]3− and [Fe(CN)6]4− redox probe at an applied potential 0.3 V vs Ag/AgCl. The concentration of WSSV antigen is 1 μg μL−1. The impedance spectra were recorded in a range, 0.1 Hz–100 KHz. (C) Comparative FTIR/KBr responses of MB (a), GO (b) and GO@MB (c).

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