Figure 2From: Immobilization of Acetobacter sp. CCTCC M209061 for efficient asymmetric reduction of ketones and biocatalyst recyclingThermal stability of free cells (A) and alginate-chitosan immobilized cells (B) . 30°C (□), 40°C (○), 50°C (△). Residual activities were measured at pH 5.0 as indicated in the Experimental Section. Error bars show standard deviation from separate experiments conducted in duplicate.Back to article page