Table 1.

Results of biofouling experiments obtained with neutralization and nonneutralization tests with ML and MP^a

Solution and time period (min)	FOSC			FSSC
	Mean % killing ± SD		P value	Mean % killing ± SD		P value
	Neutralization test	Nonneutralization test		Neutralization test	Nonneutralization test
ML
15	54 ± 2.2	52 ± 2.7	>0.05	31 ± 2.5	32 ± 2.0	>0.05
30	33 ± 3.8	28 ± 1.8	>0.05	20 ± 3.5	24 ± 2.1	>0.05
60	14 ± 3.7	11 ± 4.3	>0.05	12 ± 3.2	11 ± 3.9	>0.05
240	0	0		0	0
MP
15	0	0		0	0
30	0	0		0	0
60	0	0		0	0
240	0	0		0	0

^aTwo strains each of FOSC and FSSC were tested.