Figure 8.

Freeze-drying of cells and 3D cell spheroids: freeze-dried encapsulated human retinal pigment epithelial cells ARPE 19 cells (A, B and C) and 3D cultured human hepatocellular carcinoma (HepG2) cells (D, E and F) A and D are fluorescent labeled cells and spheroids, B, C, E and F are SEM images of cells and spheroids in dry aerogel scaffold (Merivaara et al., 2021). This image was taken from open access article from Journal of Controlled Release, Elsevier: license and disclaimer available from: https://doi.org/10.1016/j.jconrel.2021.06.042