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. 2021 Feb 23;6(9):6404–6413. doi: 10.1021/acsomega.1c00008

Figure 4.

Figure 4

Equilibrium BLI shifts as a function of concentration for spike protein and its receptor-binding domain (RBD) binding to biotinylated 1C,5′ aptamer immobilized on streptavidin-coated BLI tips, fitted to the Hill equation (eq 2) using the parameters reported in Table 1.