Figure 1

Schematic diagram illustrating the chemical structure of (a) 700DX-PEG-PGlu-cRGDx, (b) 700DX-PEG-PGlu-cRAD15, and (c) 700DX-PEG-cRGD.
Schematic diagram illustrating the chemical structure of (a) 700DX-PEG-PGlu-cRGDx, (b) 700DX-PEG-PGlu-cRAD15, and (c) 700DX-PEG-cRGD.