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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: J Am Ceram Soc. 2010 Oct 1;93(10):3116–3123. doi: 10.1111/j.1551-2916.2010.03833.x

Fig. 5.

Fig. 5

(a) Scanning electron microscopy image in back-scattered mode of a polished cross section of a hollow hydroxyapatite microsphere formed by reacting glass microspheres in 0.02M K2HPO4 solution at 37°C and pH = 9 for 48 h; (b) and (c) X-ray maps of Ca(K) and P(K) across the planar section shown in (a).