Fig. 1From: Surface chemistry governs the sub-organ transfer, clearance and toxicity of functional gold nanoparticles in the liver and kidneyPhysicochemical characterization of functional GNPs. a TEM images of functional GNPs. The scale bar represents 10Â nm. b Hydrodynamic diameter and zeta potential measurements of GNPs. c Structure and binding modes of ligands on the surface of GNPsBack to article page