Degradable PHBHHx Modified by the Silk Fibroin for the Applications of Cardiovascular Tissue Engineering
MTT assay of HUVECs (a)  and ECV304 (b)  cultured on the SF-modified PHBHHx and PHBHHx scaffolds. *comparison of cell activity on SF/PHBHHx and PHBHHx scaffolds at the same culture time (); **comparison of cell activity on the same kind of scaffolds at different culture time ().
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