Fig. 2From: Optimizing the preparation conditions and characterization of a stable and recyclable cross-linked enzyme aggregate (CLEA)-proteaseResponse surface plot as a function of CLEA-protease specific activity showing the interaction of a glutaraldehyde and acetone at constant BSA concentration of 0.12; b glutaraldehyde and BSA at constant acetone concentration of 45 % (v/v) c acetone and BSA, as constant glutaraldehyde concentration of 65 mMBack to article page