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. 2020 Feb 22;26:e00441. doi: 10.1016/j.btre.2020.e00441

Fig. 2.

Fig. 2

Effect of inducers on energy costs (cooling, stirring, and compressor operations). Cost ratios* in terms of (a) PspA4Pro (ref. US$ 21.9/kg PspA4Pro) and (b) biomass (ref. US$ 2.7/kg DCW). All experiments using defined medium. *Reference: Experiment #3 (Table 1).*The Tukey test was performed to evaluate statistical differences, considering standard deviations and a p value <0.05 as significant. ns: not significant.