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. Author manuscript; available in PMC: 2020 Jul 28.
Published in final edited form as: J Control Release. 2019 May 22;306:29–39. doi: 10.1016/j.jconrel.2019.05.034

Figure 5.

Figure 5

Chemical structures of the individual components of DuraSealTM hydrogel, (A) trilysine crosslinker and (B) tetrafunctional PEG capped with N-Hydroxysuccinimide. Reprinted with permission from (Ghobril and Grinstaff, 2015). Copyright 2015 The Royal Society of Chemistry.