TABLE 1.

Sub-inhibitory concentrations of ZnO/ZnONPs used in individual sub-cultures of E. coli

Sub-inhibitory concentrations of ZnO/ZnONPs (g/L)
Sub-cultures	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
ZnO	0.5	1	0.5	0.5	1	0.5	1	1	2	2	2	2	2	2	2	2	2	2	2	2
ZnONPs	0.5	1	0.5	0.5	1	1	1	1	2	2	2	1	2	1	1	2	2	2	2	4
Sub-cultures	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40
ZnO	2	2	4	2	1	2	4	2	4	2	2	2	1	1	2	2	1	1	2	1
ZnONPs	4	4	2	4	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1