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. 2022 Jul 13;12:11952. doi: 10.1038/s41598-022-16322-z

Figure 3.

Figure 3

Biofilm formation ability of selected strains. Bars represent standard errors of the mean (n = 3). Based on the OD, bacteria were classified as non-biofilm producers (OD ≤ ODC), weak (ODC < OD ≤ 2 × ODC), moderate (2 × ODC < OD ≤ 4 × ODC) or strong biofilm producers (4 × ODC < OD; Borges et al., 2012). Where the cut-off (ODC) was defined as the mean OD value of the negative control.