Fig. 4From: Au@109Pd core–shell nanoparticle conjugated to trastuzumab for the therapy of HER2+ cancers: studies on the applicability of 109Pd/109mAg in vivo generator in combined β− auger electron therapyChanges in the hydrodynamic diameter of the Au@Pd-PEG (left) and Au@Pd-PEG-trastuzumab conjugates incubated in 0.9% NaCl (yellow line) and 10 mM PBS buffer (blue line) at 37 °CBack to article page