Fig. 5From: Rediscovery of poly(ethylene glycol)s as a cryoprotectant for mesenchymal stem cellsInternalization of PEGs into the MSCs in the presence of inhibitors. PEG 600, PEG 1.5 K, and PEG 20 K were used. Control is the data in the absence of an inhibitor. ns: nonsignificant. *: p < 0.05. N = 3Back to article page