Figure 2.
(a) 1H NMR spectra of RGD-PEG-NHS; (b) 1H NMR spectra of G5.NH2-PEG-RGD dendrimers; (c) 1H NMR spectra of Ac-PR dendrimers; and (d) 1H NMR spectra of Ac-PR/IR820 dendrimers.
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