Fig. 4From: Expression, characterization, and application potentiality evaluation of recombinant human-like collagen in Pichia pastorisIn vitro cytotoxicity evaluation of RHLC (200 ×). a ODCA/ODBC values of CA groups. b BC cells after adding fresh culture medium; c CA cells after adding 10 mg/mL RHLC; d CA cells after adding 10 mg/mL collagen spongeBack to article page