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. 2021 Feb 3;6(8):2523–2534. doi: 10.1016/j.bioactmat.2021.01.029

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© 2021 [The Author/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. 2 — FE hydrogel improved extracellular vesicles retention. (A, B) Fluorescence image and quantitative analysis of spinal cord extracellular vesicles labeled with DiR between free extracellular vesicles solution and FE@EVs hydrogel group measured using IVIS. (C) Ex vivo spinal cord retention of extracellular vesicles between free extracellular vesicles solution and FE@EVs hydrogel group at 56 days postinjury measured using IVIS. (D) Quantitative analysis of C. (E) Ex vivo retention of extracellular vesicles in major organs between free extracellular vesicles solution and FE@EVs hydrogel group at 56 days postinjury measured using IVIS. N = 4 per group for IVIS.