Scheme 1. Schematic Diagram of the Synthesis of the Cy3-Labeled, PEGylated Dendrimer Conjugatesa.
aThe Cy3 terminology is dropped in Results and Discussion. For simplicity, the conjugates are referred to as G3NH2 and G3NH2-mPEG1000, where m is the number of PEG 1000 Da graft moieties; the number of Cy3 is the same for all conjugates; r.t. = room temperature.
