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Table 2 IC 50 values for three antifouling biocides towards S. algae CECT 5071

From: On the influence of the culture conditions in bacterial antifouling bioassays and biofilm properties: Shewanella algae, a case study

Culture medium Inoculum size IC50(μM)
TBTO Tralopyril Zinc pyrithione
MB H 7.8 ± 1.3 14.6 ± 5.8 17.6 ± 1.1
S 8.1 ± 1.5 15.8 ± 2.7 13.8 ± 2.0
D 12.0 ± 2.3 19.9 ± 7.3 35.4 ± 6.1
MH2 H 10.7 ± 0.6 12.8 ± 3.5 12.8 ± 2.6
S 10.3 ± 0.3 16.0 ± 1.8 18.9 ± 1.7
D 12.4 ± 1.1 14.9 ± 3.4 16.7 ± 3.3
LMB H 8.4 ± 0.5 1.9 ± 0.4 16.7 ± 2.5
S 9.0 ± 0.3 2.5 ± 1.4 22.7 ± 6.5
D 10.6 ± 1.4 2.0 ± 0.9 23.2 ± 6.6
SASW H 9.5 ± 0.4 18.0 ± 1.9 6.0 ± 0.4
S 11.4 ± 0.3 16.7 ± 0.9 7.8 ± 1.9
D 12.8 ± 0.5 17.3 ± 1.6 7.8 ± 0.7
  1. Data (mean ± SD, n = 3) are arranged in function of the culture medium and the initial cell density in each case. S = Standard inoculum; H = Half standard inoculum; D = Double standard inoculum.
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