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. 2015 Aug 26;10(8):e0136713. doi: 10.1371/journal.pone.0136713

Fig 2. iPSC-derived keratinocytes can internalize and intracellularly transport microspheres 0.5μm in diameter.

Fig 2

(a) Normal epidermal keratinocytes (NHK) and iPSC-derived keratinocytes (iPSC-Ker) co-cultured with red fluorescent microspheres 0.5μm in diameter for different time points (0, 2, 4 or 6 hours). (b) Quantitative analysis of microsphere internalization. (c) Parallel fluorescence and phase contrast microscopy showing method used to determine that only internalized beads were counted in the quantitative analysis. Blue (DAPI), Red (internalized 0.5μm microspheres).