Investigation of the Antibacterial and Antibiofilm Activity of Selenium Nanoparticles against Vibrio cholerae as a Potent Therapeutics

Table 1

Biofilm formation of V. cholerae O1 ATCC 14035 strain before and after the exposure to different concentrations of SeNPs.

Concentration SeNPs (μg/ml)	Mean of OD ± SD	Biofilm formation	Formula
200	0.031 ± 0.01	Nonadherent	OD < ODc
100	0.059 ± 0.01	Nonadherent	OD < ODc
50	0.110 ± 0.05	Weak	ODc < OD < 2ODc
25	0.914 ± 0.12	Strong	OD < 4ODc
12.5	1.088 ± 0.10	Strong	OD < 4ODc
0	1.125 ± 0.09	Strong	OD < 4ODc
Control negative	0.064 ± 0.01	Nonadherent	ODc−
Control positive	1.28 ± 0.12	Strong	ODc+