Fig. 4

Hydrodynamic size changes of the GS coated with PEG, aptamer, and HA2 peptide incubated in PBS plus 10 % FBS at 37 °C for 24 h
Hydrodynamic size changes of the GS coated with PEG, aptamer, and HA2 peptide incubated in PBS plus 10 % FBS at 37 °C for 24 h