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. Author manuscript; available in PMC: 2019 May 10.
Published in final edited form as: Polym Int. 2017 May 26;66(12):1787–1799. doi: 10.1002/pi.5407

Figure 3.

Figure 3.

Hydrazone ligation applied to the synthesis of HA hydrogels for tumor engineering. (A) Synthesis of HAADH and HAALD; (B) Covalent cross-linking of HAALD and HAADH in PBS via the formation of hydrazone bonds.