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. Author manuscript; available in PMC: 2009 Dec 18.
Published in final edited form as: J Control Release. 2008 Jul 18;132(3):193–199. doi: 10.1016/j.jconrel.2008.07.014

FIGURE 1.

FIGURE 1

Structure of HPMA copolymer-RGDfK peptide conjugates. Copolymers contained the monocyclized RGDfK targeting moiety to target the αvβ3 integrin with the 111In chelating moiety CHX-A″-DTPA containing five acetic acid residues to render a negative charge to the backbone and to radiolabel the conjugates.