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. 2017 Mar 28;11(2):024110. doi: 10.1063/1.4979104

FIG. 8.

FIG. 8.

(a) Microscopic analysis of A549 and MRC-5 spheroids. The morphological changes in spheroids during long-term culture and the results of differential staining at the last day of the culture. (b) The results of spectrofluorimetric monitoring of A549 and MRC-5 spheroids during long term spheroid culture. The bars of the fluorescence intensity were normalized to 1 on the second day of the culture. The reference values for statistical analysis are the spheroid fluorescence intensity on the 2nd day of the culture. Asterisks indicate p < 0.05.