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. 2021 Jul 20;21(14):4924. doi: 10.3390/s21144924

Figure 9.

Figure 9

A/V plane plot for gold nanoparticle-conjugated secondary antibody-binding step. Secondary antibodies conjugated with gold nanoparticles of diameters of (a) 10 nm; (b) 15 nm; (c) 20 nm; (d) 30 nm.