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. Author manuscript; available in PMC: 2009 Feb 28.
Published in final edited form as: Int J Pharm. 2007 Aug 26;350(1-2):113–121. doi: 10.1016/j.ijpharm.2007.08.033

Figure 1.

Figure 1

A schematic of the conjugation of ornithine to the amine terminals of the G4 PAMAM dendrimers. Similar protocol was followed for the synthesis of arginine-conjugated PAMAM dendrimers using Fmoc-L-arginine-(pbf)-OH (Note: Though G4 dendrimer has 64 surface amine groups, only a few amine groups were depicted in this figure for convenience).