Fig. 14
a Nyquist plots of the MCH/aptamer/AuNPs/gold electrode correspond to different concentrations of acetamiprid. b The dependence of Ret of on the concentration of acetamiprid; inset is the linear calibration curve of ΔRet with the logarithm of acetamiprid concentrations (reprinted with permission from Reference Fan et al. 2013). © 2013 Elsevier
