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. Author manuscript; available in PMC: 2019 Oct 4.
Published in final edited form as: Adv Funct Mater. 2018 Jun 26;28(34):1801787. doi: 10.1002/adfm.201801787

Figure 1.

Figure 1.

Characterization of BPLPAT polymer structure. (a) Schematic and chemical structure of BPLPAT pre-polymers. (b) Schematic of crosslinked BPLPAT structure. (c) Schematic of functionalities (fluorescence imaging, PA imaging, and conductivity that promotes cell communications) of crosslinked BPLPATs. (d) ATR-FTIR spectra of AT, BPLP, and BPLPAT pre-polymers. Insert: quinoid ring to -C(=O)OR ratios increase with the increasing concentration of AT in polymer syntheses. (e) 1H NMR spectrum of AT, BPLP, and BPLPAT pre-polymers. Insert: AT to OD molar ratios increase with the increasing concentration of AT in polymer syntheses.