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Bioresources and Bioprocessing
Fig. 3 | Bioresources and Bioprocessing

Fig. 3

From: Ozonized biochar filtrate effects on the growth of Pseudomonas putida and cyanobacteria Synechococcus elongatus PCC 7942

Fig. 3

Growth assay of P. putida in incubation with filtrates from wet-ozonized, dry-ozonized, and non-ozonized rogue biochar at different DOC concentrations. A Photographs of multi-well plate with RBC biochar filtrates inoculated with P. putida on day 0, day 0.5 and day 5 of the growth assay. The photographs shown are one of the two replicates. The setup of the plate is shown in Table 1. B Optical density (OD730) of P. putida after 5 days of incubation with RBC biochar filtrates. The error bars on the graph represent the standard deviation of the 2 multi-well plates (n = 2). At day 5, the P. putida inoculated in the well with 300 ppm of the dry-ozonized RBC filtrate had too much growth and OD730 could not be measured; therefore, the content of the well was split in two wells and their OD730 measurements were added. The asterisks brackets (*) show significant difference (p < 0.05) between treatments

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