Sonodynamic Excitation of Rose Bengal for Eradication of Gram-Positive and Gram-Negative Bacteria

Table 1

SACT effect of RB on E. coli cells at various initial concentrations.

log10𝐶0	RB concentration, 𝜇M
	0		5		10		15
	+*	−	+	−	+	−	+	−
6	5.8	6.1	3.2	5.6	2.0	5.5	1.3	5.5
7	7.0	6.9	5.6	6.8	4.5	6.3	3.7	6.3
9	7.1	9.0	6.8	9.0	6.0	8.2	5.0	8.1

*Plus (+) designates SACT treated samples and minus (−) designates controls. Treatment time was 1 h. 𝐶₀: initial cell concentration, CFU mL⁻¹.