Figure 2 | Scientific Reports

Figure 2

From: Calcium carbonate nanoparticles stimulate cancer cell reprogramming to suppress tumor growth and invasion in an organ-on-a-chip system

Figure 2

CaCO3 nanoparticle characterization. (A) Transmission electron microscope image of nanoCaCO3 dispersed in ethanol before drying the nanoparticles shows spherical particles with the size of 78.6 ± 7.6 nm. Scale bar = 200 nm (main panel); 100 nm (inset). (B) NanoCaCO3 were dispersed in ethanol for dynamic light scattering measurement, showing an average intensity-based size of 120.0 nm ± 29.3 nm. Average number of particles-based size measurement is 101.8 ± 24.7 nm (not shown). (C–F) TEM images of nanoCaCO3 after dispersion in distilled water (C), PBS (D), serum (E), and DMEM (F); scale bars = 100 nm for (C) and 500 nm for (D–F).

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