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Viability of hMSCs cultured within hydrogel arrays with varying degradability, RGDSP concentration, and FGF2 concentration. A) 2.5mM DTT + 0.1mM RGDSP; B) 2.5mM DTT + 2.5mM RGDSP; C) 5mM DTT + 0.1mM RGDSP; D) 5mM DTT + 2.5mM RGDSP. * Denotes a significant difference compared to 0 ng/ml condition at the same time point. †Denotes significant difference from D1 value for the same condition, p<0.05.
