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Exposure viability of hydrogels with encapsulated hMSCs exposed to atmospheric conditions without growth medium for 0–30 min. Fluorescent images of live cells at (a) 0, (b) 10, (c) 20, and (d) 30 min. (e) Quantification of percent viability over the same time period. There is no significant change in viability over 30 min, indicating this exposure does not cause significant cell death.
