TABLE 4.

Effect of BisTOL on growth and slime production of S. epidermidis^a

Bacterial strain	Growth (OD600)	Slime production in TSB (OD570)	Slime production in TSB-BisTOL (OD570)	Slime index
SE 35D	0.270 ± 0.020	0.265 ± 0.030	0.052 ± 0.015	0.096
SE 39	0.298 ± 0.030	0.350 ± 0.027	0.064 ± 0.022	0.107
SE A73	0.394 ± 0.033	0.378 ± 0.040	0.040 ± 0.003	0.05
SE R2	0.450 ± 0.072	3.000 ± 0.110	0.120 ± 0.023	0.133
SE R22	0.352 ± 0.031	0.430 ± 0.020	0.076 ± 0.004	0.107
SE R25	0.348 ± 0.023	0.540 ± 0.050	0.073 ± 0.031	0.104
SE R27	0.352 ± 0.024	0.420 ± 0.022	0.053 ± 0.019	0.07
SE R33	0.390 ± 0.025	1.980 ± 0.221	0.082 ± 0.002	0.105
SE R35	0.567 ± 0.025	0.307 ± 0.024	0.098 ± 0.017	0.086
SE R55	0.298 ± 0.031	0.562 ± 0.031	0.053 ± 0.019	0.088
SE R57	0.301 ± 0.025	0.305 ± 0.015	0.026 ± 0.001	0.043
SE R66	0.254 ± 0.033	0.327 ± 0.032	0.039 ± 0.015	0.076
SE 5/P	0.298 ± 0.027	0.346 ± 0.021	0.041 ± 0.018	0.068
SE 21/P	0.305 ± 0.042	0.427 ± 0.038	0.062 ± 0.004	0.101
SE 49/P	0.402 ± 0.019	0.310 ± 0.019	0.051 ± 0.022	0.063

^aBisTOL tested at 1.25 μM (0.25 μg of Bi³⁺/ml) in TSB, and biofilm OD quantitated at 24 h, using a microtiter assay.