Table 3. Half-Maximal Inhibitory Concentration (IC50) for the Peptide-Conjugated GQDs, Only Peptide, and GQDs Using HEK293T Cells Expressing the ACE2 Receptor.

system	IC50
LL-37 & HNP1-attached GQDs	30 μg/mL GQDs + 2 μg/mL LL-37 + 2 μg/mL HNP1
LL-37-attached GQDs	30 μg/mL GQDs + 3 μg/mL LL-37
HNP1-attached GQDs	30 μg/mL GQDs + 11 μg/mL HNP1
LL-37 peptide	4.5 μg/mL
HNP1 peptide	13.8 μg/mL