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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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BMC Microbiology

ISSN: 1471-2180

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