Table 8.
Percentage of EB–DNA fluorescence quenching (ΔI/Io, in %), Stern–Volmer constant (KSV, in M−1) and the quenching constant (kq, in M−1s−1) for fleroxacin and its complexes 1–19.
| Compound | ΔI/IO (%) | Ksv (M–1) | kq (M−1s−1) |
|---|---|---|---|
| Hflrx | 65.8 | 4.64(±0.14) × 105 | 2.02(±0.06) × 1013 |
| [Cu(flrx)2], 1 | 62.2 | 2.18(±0.06) × 105 | 9.47(±0.03) × 1012 |
| [Cu(flrx)(bipy)Cl], 6 | 61.9 | 2.03(±0.05) × 105 | 8.84(±0.21) × 1012 |
| [Cu(flrx)(bipyam)Cl], 7 | 62.7 | 3.44(±0.06) × 105 | 1.50(±0.03) × 1013 |
| [Cu(flrx)(phen)Cl], 8 | 66.4 | 3.25(±0.08) × 105 | 1.41(±0.03) × 1013 |
| [Mn(flrx)2(MeOH)2], 2 | 74.4 | 6.07(±0.23) × 105 | 2.64(±0.10) × 1013 |
| [Mn(flrx)2(bipy)], 9 | 73.8 | 3.31(±0.07) × 105 | 1.44(±0.03) × 1013 |
| [Mn(flrx)2(bipyam)], 10 | 81.1 | 5.92(±0.14) × 105 | 2.57(±0.06) × 1013 |
| [Mn(flrx)2(phen)], 11 | 76.7 | 1.83(±0.03) × 105 | 7.94(±0.14) × 1012 |
| [Zn(flrx)2(MeOH)2], 3 | 85.9 | 6.07(±0.17) × 105 | 2.64(±0.07) × 1013 |
| [Zn(flrx)2(bipy)], 12 | 88.6 | 7.25(±0.30) × 105 | 3.15(±0.13) × 1013 |
| [Zn(flrx)2(bipyam)], 13 | 81.8 | 6.51(±0.19) × 105 | 2.84(±0.08) × 1013 |
| [Zn(flrx)2(phen)], 14 | 77.9 | 3.03(±0.05) × 105 | 1.32(±0.02) × 1013 |
| [Co(flrx)2(MeOH)2], 4 | 64.1 | 1.36(±0.03) × 105 | 5.93(±0.14) × 1012 |
| [Co(flrx)2(bipy)], 15 | 80.4 | 4.69(±0.09) × 105 | 2.04(±0.04) × 1013 |
| [Co(flrx)2(bipyam)], 16 | 70.7 | 3.77(±0.12) × 105 | 1.64(±0.05) × 1013 |
| [Co(flrx)2(phen)], 17 | 69.8 | 3.56(±0.10) × 105 | 1.55(±0.05) × 1013 |
| [Ni(flrx)2(MeOH)2], 5 | 56.9 | 2.33(±0.08) × 105 | 1.01(±0.03) × 1013 |
| [Ni(flrx)2(bipyam)], 18 | 59.3 | 3.02(±0.13) × 105 | 1.31(±0.05) × 1013 |
| [Ni(flrx)2(phen)], 19 | 68.1 | 3.18(±0.14) × 105 | 1.38(±0.05) × 1013 |