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. 2021 Aug 28;22(17):9335. doi: 10.3390/ijms22179335

Figure 4.

Figure 4

Comparison of (ac) samples with HAp prepared by ultrasonication and (df) samples with HAp incorporated by in situ synthesis. (a,d) macroscopic image of the scaffolds–scale bar is 1 mm, (b,e) scanning electron microscopy images of calcinated scaffolds–scale bar is 100 µm, (c,f) spectrum of elements—EDX analysis.