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. Author manuscript; available in PMC: 2022 Mar 1.
Published in final edited form as: Materialia (Oxf). 2020 Nov 17;15:100954. doi: 10.1016/j.mtla.2020.100954

Figure 1.

Figure 1.

Schematic diagram for injectable alg/col hydrogel preparation. The alginate precursor solution was prepared by dissolving alginate in calcium-free DMEM medium and adjusting the pH using NaOH. Collagen precursor solution was prepared by adding collagen to calcium-free DMEM medium and then supplementing the collagen solution with CaSO4. hMSCs were suspended in collagen precursor solution and then two precursor solutions were pipette mixed.