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. 2021 Aug 23;12:692831. doi: 10.3389/fmicb.2021.692831

FIGURE 4.

FIGURE 4

The sensitivity and specificity of SP-NLISA. (A,B) The standard curve and linear range of SP-NLICA for NP detection. (C) The results tested by SP-device and commercial microplate reader exhibited an excellent correlation and no significant difference (R2 = 0.999, P < 0.001). (D) The specificity of SP-NLISA for NP detection. The added protein concentration was 1 μg/mL.