In order to investigate the biocompatibility, degradation and inflammatory reactions of poly benzyl glutamate (PBLG), poly lactic-co-glycolic acid (PLGA) and fibrin gel used as the scaffolds co-cultured with the hepatocytes of rats under simulated microgravity conditions in rotating wall vessel bioreactor (RWVB). PLGA is low biocompatibility, PBLG is medium biocompatibility with rat hepatocytes. Fibrin gel is high biocompatibility, no toxic degradation and no inflammatory reactions. Fibrin gel can be used as three dimensional scaffolds of rat hepatocytes under simulated microgravity.
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