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. 2021 Sep 11;13(18):3070. doi: 10.3390/polym13183070

Figure 3.

Figure 3

(a) The alginate-HAP suspension prior to crosslinking; (b) alginate-HAP suspension after crosslinking with D-Gluconic acid δ-lactone (GDL); (c,d) the ALGH-HAP scaffolds fabricated from the alginate-HAP suspension pre-crosslinked with GDL [61]. Used with permission. Copyright Wiley 2019.