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. 2022 Feb 22;7(9):8150–8157. doi: 10.1021/acsomega.2c00113

Figure 4.

Figure 4

(A) Interaction of Baculovirus pseudotyped with a SARS-CoV-2 delta variant (B.1.617.2) spike protein and ACE2 on HEK-293T cells, measured using fluorescence imaging. (B) Inhibition efficiency of Baculovirus pseudotyped with the delta variant spike protein in infected HEK293T cells in the presence of buffer (Mock), GQDs (30 μg/mL), HNP1 (4 μg/mL)-attached GQDs (30 μg/mL), LL-37 (4 μg/mL)-attached GQDs (30 μg/mL), and LL-37 (4 μg/mL) and HNP1 (4 μg/mL)-attached GQDs (30 μg/mL). (C) SEM image of Baculovirus pseudotyped with a SARS-CoV-2 delta variant (B.1.617.2) spike protein when they are treated with peptide-attached GQDs for 6 h. (D) TEM image of Baculovirus pseudotyped with a SARS-CoV-2 delta variant (B.1.617.2) spike protein when they are treated with peptide-attached GQDs for 12 h.