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. Author manuscript; available in PMC: 2015 Mar 5.
Published in final edited form as: J Appl Polym Sci. 2014 Mar 5;131(5):10.1002/app.39822. doi: 10.1002/app.39822

FIGURE 8.

FIGURE 8

Representative preparations of degradable cationic APCs for DNA and siRNA deliveries. (a) a 3-step method for preparing PEI-grafted polycarbonate, reproduced from Ref. [158], with permission from Elsevier; (b) a 3-step method for preparing amine-functionalized polycarbonates, reproduced from Ref. [34], with permission from Elsevier; (c) a 2-step method for preparing cationic APCs, adapted from Ref. [33], with permission from Elsevier; (d) synthesis of a guanidinium-rich amphipathic carbonate co-oligomers, adapted from Ref. [135], Copyright (2012) National Academy of Sciences, USA.