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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Characterization of a novel polyvinyl alcohol/chitosan porous hydrogel combined with bone marrow mesenchymal stem cells and its application in articular cartilage repair

Fig. 3

Evaluation of the physiochemical properties of the hydrogel of different PVA/CS ratios in the control and experimental groups. a Gross examination of PVA/CS composite hydrogel pieces of various thickness. b The WC of the hydrogel of varying PVA/CS ratios. c The SR of the hydrogel of varying PVA/CS ratios. d DSC curve of the hydrogel of varying PVA/CS ratios. e IR spectrum of pure PVA and CS. f IR spectrum of blends of PVA and CS of varying PVA/CS ratios

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