Table 1.

Contact angles of aqueous solutions of organic solvents on B. subtilis biofilms

	WT	epsH	tasA	sinR
50% Ethanol	139.0 ± 3.9	10.2 ± 2.2	119.7 ± 10.3	128.9 ± 6.3
50% Isopropanol	125.3 ± 2.6	11 ± 1.5	110.9 ± 6.6	112.6 ± 2.1
50% Methanol	137.9 ± 4.0	8.4 ± 1.1	119.3 ± 8.3	115 ± 7.2
50% Acetone	139.7 ± 3.5	7.7 ± 3.0	117.2 ± 9.8	119.8 ± 3.6

Error = standard deviation; n = 7 for WT, 8+ for tasA, 8+ for epsH, 12+ for sinR.