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. 2022 Aug 11;7(3):111. doi: 10.3390/biomimetics7030111

Figure 10.

Figure 10

Raman spectra of samples N1–N5 and ncHAp in the regions 930–990 cm−1 (left) and 990–1110 cm−1 (right): (a) excitation using 532 nm laser radiation; (b) excitation using 785 nm laser radiation.