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. 2019 Jan 4;18:2. doi: 10.1186/s12934-018-1046-0

Fig. 5.

Fig. 5

Critical micelle concentration of the biosurfactant produced by Serratia marcescens UCP 1549. Surface tension versus concentration of isolated biosurfactant produced by S. marcescens UCP 1549 after 72 h of fermentation