Skip to main content
. Author manuscript; available in PMC: 2014 Sep 6.
Published in final edited form as: Nanotechnology. 2013 Aug 12;24(35):10.1088/0957-4484/24/35/355101. doi: 10.1088/0957-4484/24/35/355101

Figure 1.

Figure 1

Hydrodynamic size change of AuNPs PEGylated with HS-PEG-COOH at all molar ratios before centrifugation, where the insert shows a schematic illustration of the conformation change of PEGylated chains on gold nanoparticles from mushroom at lower PEG chain densities to brush at higher PEG chain densities.