Evaluating Antimicrobial Effectiveness of Gold Nanoparticles against Streptococcus oralis

Table 1

Descriptive statistics of antibacterial activity at the different concentrations of Au NPs, CHX, and deionized water used in the study against S. oralis using well diffusion method.

Concentrations	N	Mean (mm)	SD (mm)	Minimum (mm)	Maximum (mm)
100	3	19.5	0.25	19.5	19.5
50	3	17	1	16	18
25	3	15	1	14	16
12.5	3	12	1	11	13
6.25	3	12	1	11	13
3.125	3	10	0.5	9.5	10.5
1.56	3	9	0.5	8.5	9.5
0.78	3	8	0.5	7.5	8.5
0.39 (MIC)	3	6	0.25	6	6
0.19	3	0	0	0	0
0.097	3	0	0	0	0
CHX 0.2%	3	18	0.25	18	18
D.W	3	0	0	0	0

D.W, distilled water.