Figure 6.
Z’norm spectra from EIS analysis of EII with the different treatment of Ag concentration; at pH 5, (a) 0 μg/mL, (b) 1 μg/mL of Ag; and at pH 3, (c) 0 μg/mL, (d) 1 μg/mL of Ag. Ricin, the biological toxin, was used as Ag of EII.
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