Figure 4From: Batch production of a silk-elastin-like protein in E. coli BL21(DE3): key parameters for optimisationEffect of the flask volume to culture medium volume ratio on biomass and SELP production. Comparison of maximum SELP-59-A volumetric (blue) and specific (grey) productivities as well as maximum biomass levels measured (red) as a function of the flask volume to medium volume ratio. The maximum biomass values represent the highest dry cell weights (DCW, g/L) measured over the course of the experiment. The SELP-59-A volumetric and specific productivities were estimated from comparisons of band intensities on a sodium dodecyl sulphate polyacrylamide gel with a band of known concentration.Back to article page