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. 2010 Dec 13;10(12):11414–11427. doi: 10.3390/s101211414

Figure 9.

Figure 9.

Figure 9.

Z’norm (10 kHz) from EIS analysis of EII in (a) milk, (b) vegetable soup, and (c) tomato juice containing 0 ng/mL or 500 ng/mL of Ag. Ricin, the biological toxin, was used as the Ag of EII.