Fig. 3From: Electrochemical detection of white spot syndrome virus with a silicone rubber disposable electrode composed of graphene quantum dots and gold nanoparticle-embedded polyaniline nanowiresWSSV detection using the disposable electrode. a Nyquist plots for different concentrations of WSSV in the range of 102–109 DNA copies/ml. b Calibration curve of the corresponding impedance. Each detection was performed three times and data are given as average ± SD (n = 3)Back to article page