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. Author manuscript; available in PMC: 2014 Oct 23.
Published in final edited form as: ACS Appl Mater Interfaces. 2013 Oct 8;5(20):10.1021/am401981g. doi: 10.1021/am401981g

Scheme 1.

Scheme 1

Synthetic steps for generation of hyperbranched Alg-N3 and MDT/GA PAMAM, specifically: (1) 3,5-dicarboxyphenyl glycineamide; (2) PAMAM functionalized with MDT and GA; and (3) hyperbranched alginate azide. Key: (a) Chloroacetyl chloride, NaOH; (b) NH3; (c) EDC, NHS; (d) H2N-PEG-N3, EDC, NHS; and (e) 2-(diphenylphosphino)terephthalic acid 1-methyl-4-pentafluorophenyl diester, triethylamine, and glutaric anhydride.