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Viability and chondrogenic activity of MSCs encapsulated in PLL-loaded hydrogels. (A) DNA content normalized by the hydrogel weight (wet) at each time point. (B) sGAG content normalized by the DNA content. * represent statistically significant difference (p < 0.05) to the 2 h time point within the same study group. # represent statistically significant difference (p < 0.05) compared to the no PLL group within the same time point (n = 4 per time point, mean ± standard deviation).
