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. Author manuscript; available in PMC: 2023 Jul 4.
Published in final edited form as: ACS Macro Lett. 2021 Feb 9;10(3):341–345. doi: 10.1021/acsmacrolett.1c00056

Figure 5. Controlling degradation of PEGNB hydrogels via crosslinking with different crosslinkers and mixing in PEGNB-D.

Figure 5.

(A) Initial shear moduli and degradation (B)of 4 wt% PEGNB-D crosslinked with DTT and 4 arms-thiolated PEG (PEG4SH). (C) Initial shear moduli and (D) degradation of soft (4 wt%) PEGNBCA/PEGNB-D-DTT hydrogels with different PEGNB-D content. Curve fittings represent pseudo first order ester hydrolysis kinetics and listed in Table S3 and S4. Hydrogels were crosslinked with either DTT (R = 1) or PEG4SH (R = 1) with 1 mM LAP and 2 min 365 nm light exposure (5 mW/cm2).