Abstract
HA/GO hydrogels were prepared by methacrylated GO (MeGO) and methacrylated HA (MeHA) via an in-situ free radical polymerization, and then a series of HA/GO hydrogels with highly porous structure were obtained. All hydrogels exhibited excellent water absorption ability. Additionally, the elastic moduli of hydrogels were clearly enhanced by GO. CD34+ cells cultured on HA/GO-0.05 hydrogel showed higher expansion of CD34+ cells and CD34+CD38− cells compared to the other three hydrogels. Therefore, HA/GO-0.05 hydrogels have a potential for clinical-applied ex vivo expansion of hematopoietic stem cells.
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