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. Author manuscript; available in PMC: 2016 Jul 21.
Published in final edited form as: Biomater Sci. 2016 May 6;4(7):1079–1084. doi: 10.1039/c6bm00129g

Fig. 2.

Fig. 2

A549 Cryopreservation (rapid freezing) and FITC-PVA permeability. (A) Post freeze–thaw A549 cell metabolic activity with and without PVA additives (MTT assay); (B) FITC-labelled PVA uptake into A549 cells following 2 hours exposure at 37 °C). All data from at least 3 repeats and errors bars represent ± standard deviation. * represents p ≤ 0.05 relative to DMSO only.