. 2022 Jul 14;2022:8155971. doi: 10.1155/2022/8155971

Table 2.

Initial concentration and concentrations of the three bacterial strains in suspensions after 24 h of contact with differently modified samples (colony formed unit/mL).

		Bacteria strain
		E. coli	S. mutans	K. pnemoneai
Initial concentration (CFU/mL)		1.5 × 10⁸CFU/ml	1.5 × 10⁸CFU/ml	1.5 × 10⁸CFU/ml
Concentration after 24 h (CFU/mL)	ZnO/TiO₂/4A 2% (G1)	0	0	0
	ZnO/4A2% (G2)	0	0	9 × 10⁷CFU/ml
	TiO₂/4A (G3)	0	0	1 × 10⁹CFU/ml
	ZnO/TiO₂/4A4% (G4)	0	0	0
	TiO₂/4A4 (G5)	0	0	0
	ZnO/4A4% (G6)	0	0	0
	Control (G7)	3.4 × 10¹⁰CFU/ml	4.7 × 10¹⁰CFU/ml	2.4 × 10¹⁰CFU/ml