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. 2017 Jul 24;16:127. doi: 10.1186/s12934-017-0743-4

Fig. 2.

Fig. 2

Concentration (µmoles kg−1) of PCB congeners in the biologically active (white bars) and sterile (black bars) sediment C, D, E1 and E2 cultures (panels I, II, III and IV, respectively) after 31 weeks of incubation. Only congeners representing more than 1% w/w of the total PCBs are reported. Values are the mean (±SD) of replicate cultures, except for E1 and E2 replicate cultures