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. 2023 Nov 21;11:rbad104. doi: 10.1093/rb/rbad104

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© The Author(s) 2023. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — Rheology and injectable properties. (A) Oscillatory strain scans of granular hydrogels (0.01–100%, 1 Hz). (B) Viscosity changes under shear. (C–F) Cyclic strain diagrams of gel/TA and gel/TA-PRP granular hydrogels. (G) Extrusion of granular hydrogel with TA concentration of 10 wt%. (H) SEM images of extruded filaments with different TA concentration. (I) Stability of gel/TA-PRP granular hydrogel immersed in PBS at 7 and 14 days, as well as the stability of extruded gel/TA-PRP filament immersed in PBS for 14 days. (J) Accumulative release of TGF-β in vitro.