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. 2017 Oct 3;8:768. doi: 10.1038/s41467-017-00756-5

Fig. 4.

Fig. 4

Compositional analysis of initial calcium oxalate precipitates. a STEM-HAADF image of calcium oxalate precipitates formed in the presence of 10 mM citrate at pH 6.2, showing two types of distinct rounded nanoparticles: less dense nanoparticles, with diffuse limits and well-defined, denser spherical nanoparticles. Scale bar: 200 nm. b Calcium elemental EDS map of the area in a. Scale bar: 300 nm