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. Author manuscript; available in PMC: 2010 Dec 16.
Published in final edited form as: J Control Release. 2009 May 22;140(3):203–209. doi: 10.1016/j.jconrel.2009.05.021

Figure 1.

Figure 1

Synthesis of PEGylated cyclic and linear PAA comb polymers. (n ≈ 45, q ≈ 1, p+q+i=45) (i) CuBr, PMDETA, t-BA (ii)DMF, NaN3 (iii) CuBr, PMDETA, 120°C, 72h (iv) DCM, TFA (v) HATU, HOAT, mPEG amine, tyramine, DMF, 120°C, 48h