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Fluorescent live/dead staining images. Live cells are stained in green and dead cells are in red. Cells were released from the microbeads after 4 days showing healthy polygonal morphology (arrows in (b)). After 7 days, the number of released cells increased greatly. Cells attached to the tissue culture polystyrene and showed a healthy morphology (c). Cells continued to proliferate (d) and formed confluent monolayer at day 21 (e) [53].
