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. 2014 Jan 28;5:3169. doi: 10.1038/ncomms4169

Figure 1. Analysis of as-prepared silica-coated ACC particles ACC-SiO2.

Figure 1

TEM images of (a) ACC-SiO2 particles and (b) silica shells formed after dissolution of the ACC core—scale bar, 100 nm. (c) Infrared spectrum and (d) TGA of ACC-SiO2 particles, and PXRD spectra of ACC-SiO2 particles after heating to (e) 220 °C and (f) 550 °C. B, belite; C, calcite.