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. 2021 Jun 29;22(13):6997. doi: 10.3390/ijms22136997

Figure 4.

Figure 4

Scanning electron microscope (SEM) images of the comparison of HeLa cell morphology in a two-dimensional (2D) plate (A) and, polydimethylsiloxane (PDMS) multi-channel cell chip (B) (scale bar: 10 µm). Results of the number of spheroid cells obtained by SEM image (C).