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. 2023 Sep 28;23:100813. doi: 10.1016/j.mtbio.2023.100813

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© 2023 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 6 — (a) Schematic for the synthesis of HB-PEGDA. (b) Schematic for the synthesis of SH-HA. (c) The formation of the hydrogel via the thiol-ene Michael addition chemistry. (d) The fabrication of HMPs and HMP@Exos by microfluidic technology. (e) 1H NMR confirmed the formation of HB-PEGDA products. (f) GPC traces of HB-PEGDA polymers at different time points. (g) Mark-Houwink plots of the HB-PEGDA polymers isolated at the polymerization time of 5 and 7 h, respectively. (g ∼ i) Oscillatory amplitude and frequency sweep test results of the granular hydrogels made of 3.33% (w/v) HB-PEGDA and 1%, 1.33%, or 1.66% (w/v) SH-HA, respectively.