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(b)
| Test solution | Concentration (μg/mL) | Colonies/well | Mean ± SD | Colony-formation ratio (%) | IC50 (μg/mL) |
|---|---|---|---|---|---|
| Control (DMSO) | 0 | 41, 37, 41, 44 | 40.8 ± 2.9 | 100 | — |
|
| |||||
| Positive control article ZDBC |
1 | 37, 43, 37, 41 | 39.5 ± 3.0 | 96.8 | 1.60 |
| 2 | 5, 11, 6, 6 | 7.0 ± 2.7 | 17.2 | ||
| 3 | 0, 0, 0, 0 | 0.0 ± 0.0 | 0.0 | ||
ZDBC: Zinc dibutyldithiocarbamate.
DMSO: Dimethyl sulfoxide.
