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. 2021 Dec 27;14(1):50. doi: 10.3390/pharmaceutics14010050

Figure 9.

Figure 9

SPR biosensor analysis: (A) poor affinity between vehicle and spike protein (KD = 2.307 mM); (B) favorable binding of RDV and spike protein (KD = 37.18 nM); (C) the binding would not be blocked by hydrogel carrier (KD = 28.60 nM).