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. 2022 Jan 12;9(1):210791. doi: 10.1098/rsos.210791

Figure 9.

Figure 9.

Average absorbance values measured in scaffolds with different CaCO3 levels (20, 40, 80 mM) acquired at distinct time points (day 0, 4, 7, 11), with either the commercial (left panel) or the custom-made (right panel) spectrometers at 690 ± 20 nm. **Statistically significant difference (Mann–Whitney–Wilcoxon test; p < 0.01).