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

Fig. 8.

Fig. 8

Application of biosurfactant produced by Serratia marcescens UCP 1549 in removal of burned motor oil from contaminated sand. Beach sand artificially contaminated with burned motor oil: without treatment (a) and after treatment with distilled water (b) and biosurfactant produced by S. marcescens UCP 1549 (c)