Table 3.
Minimum inhibitory concentrations (MICs) in µg/mL and fractional inhibitory concentration indices (FICIs) of [Cr(phen)3]3+ in combination with ciprofloxacin against Escherichia coli ATCC 25922*.
| Ciprofloxacin (MIC = 0.25) | |||
|---|---|---|---|
| [Cr(phen)3]3+ (MIC = 0.125) | MICA−C | FIC | |
| MICC−A | FIC | 0.016 | 0.064 |
| 0.064 | 0.512 | FICIC+A = 0.576 | |
| 0.032 | 0.256 | FICIC+A = 0.320 | |
| 0.016 | 0.128 | FICIC+A = 0.192 | |
| 0.008 | 0.064 | FICIC+A = 0.128 | |
| 0.004 | 0.032 | FICIC+A = 0.096 | |
*MICC−A: MIC of [Cr(phen)3]3+ in combination with ciprofloxacin. MICA−C: MIC of ciprofloxacin in combination with [Cr(phen)3]3+. FIC: fractional inhibitory concentration. FICIC+A: fractional inhibitory concentration index (FIC of [Cr(phen)3]3+ plus FIC of ciprofloxacin).