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. Author manuscript; available in PMC: 2018 Apr 28.
Published in final edited form as: Science. 2017 Oct 27;358(6362):502–505. doi: 10.1126/science.aao0350

Fig. 1. Monomer and network-formation chemistry.

Fig. 1

(A) The monomers, mole ratios, and curing conditions used in the synthesis of protected catechol-containing networks, and a schematic network fragment showing a CAT cluster. (B) A scheme of the cleavage of the silyl protective groups and subsequent iron complex formation, and a depiction of the swelling of a test specimen during the process. (C and D) Schematics of the network structure before (C) and after (D) iron treatment, illustrating mono-, bis-, and tris-complexation.