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. Author manuscript; available in PMC: 2014 Mar 11.
Published in final edited form as: Biomacromolecules. 2013 Feb 27;14(3):920–929. doi: 10.1021/bm301999c

Figure 2.

Figure 2

(a) (BDI-EI)ZnN(TMS)2/Cpt mediated controlled ring-opening polymerization (ROP) of Phe-OCA at various Phe-OCA/Cpt ratios (MWD = molecular weight distribution). (b) Overlay of the GPC traces of Cpt-PheLAn (n = 25, 50 and 100). (c) HPLC analysis of Cpt-initiated polymerization and release of Cpt from Cpt-PheLA100 NCs. (i) authentic Cpt. (ii) the Phe-OCA polymerization solution (M/I = 100) mediated by (BDI-EI)ZnNTMS and Cpt. (iii) Cpt released from Cpt-PheLA100 NCs treated with 1 M NaOH for 12 h.