712514.fig.007a
(a)
712514.fig.007b
(b)
Figure 7: PEI-Succinic Acid-STV(Alexa555), 0.5 mg/mL in water:(a) magnified image and (b) magnified image of particles where streptavidin is labeled with protein A gold by using biotinylated alpha 2 integrin antibody.