Figure 3From: A Facile Nanoparticle Immunoassay for Cancer Biomarker DiscoveryMouse IgG (A) and VEGF (B) assay of 10-fold diluted mouse serum adsorbed to AuNPs. The particle size change presented in both graphs is the difference between the size measured at 5 min after antibody addition and the size just before antibody addition.Back to article page