Table 1.

CFU remaining after exposure of planktonic cells and DOC-induced biofilm to increasing concentration of DOC

Cellular state	Concentration of DOC
	0 µM	240 µM	480 µM	600 µM	1000 µM	2000 µM
DOC-induced biofilm	1 × 108	5 × 107	5 × 107	5 × 106	5 × 104	<1 × 101
Planktonic cells	5 × 107	1 × 108	5 × 106	5 × 102	<1 × 101	<1 × 101