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. Author manuscript; available in PMC: 2015 Jan 21.
Published in final edited form as: Eur J Pharm Sci. 2012 Apr 22;47(1):287–294. doi: 10.1016/j.ejps.2012.04.016

Figure 1.

Figure 1

A) Synthesis of the 4-arm sugar star polymers 2 by MADIX/RAFT polymerization and the subsequent modification with succinic anhydride to yield the 20, 40, 60, and 90% wt/wt sugar-acid star-polymers 3. B) Conjugation of 3-aminopropyl-amino-IR820 4 to a sugar-acid-star polymer 3 to yield the star-IR820 conjugate 5.