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. Author manuscript; available in PMC: 2018 Jun 7.
Published in final edited form as: J Mater Chem B. 2017 May 12;5(21):3945–3954. doi: 10.1039/C7TB00208D

Fig. 1.

Fig. 1

SEM images, TEM image (C) and XRD patterns (D) of AS incubated in 1.5 SBF at 37.2 °C for 5 h (A) and 5 d (B, C). The inset in (C) is an electron diffraction pattern of the corresponding microsphere shown in C. White arrows indicate the (002) and (211) planes of the HAp crystals. (D) Two prominent and sharp diffraction peaks at 25.9 and 31.5° assigned to (002) and (211) plane of apatite emerged, indicating that apatite crystals were nucleated on the AS after incubation in 1.5 SBF by day 5.