E. coli Bacteriostatic Action Using TiO₂ Photocatalytic Reactions

Table 4

E. coli inactivation performance of the SG- and SP-TiO₂ thin films under UVA after 180 minutes given the various initial bacterial concentrations.

Initial bacterial concentration of E. coli (CFU·mL^−1)	E. coli inactivation ± SD (%) at 180 min with (number of replication)
	SG/NB/UVA	SG/NaCl/UVA	SP/NB/UVA	SP/NaCl/UVA
10^2	86.18 ± 1.43	92.53 ± 1.58	84.46 ± 1.67	92.94 ± 1.38
10^4	74.80 ± 1.39	80.77 ± 1.33	72.31 ± 1.69	78.67 ± 1.66
10^6	65.14 ± 1.25	72.40 ± 0.60	65.20 ± 1.55	71.43 ± 1.71
10^8	44.59 ± 1.59	63.72 ± 2.01	47.25 ± 1.98	60.71 ± 2.05