Table 2.
Melting temperatures of CT-DNA in 10 mM buffer (pH 7.0 and pH 5.0) in the presence of complexes 1–3, before and after irradiation (λ = 420–1000 nm).
| C.T.-DNA +a | R = 0.025 | R = 0.050 | R = 0.025* | R = 0.050* | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pH | T m°C | ΔT m | %hyp | T m°C | ΔT m | %hyp | T m°C | ΔT m | %hyp | T m°C | ΔT m | %hyp | |
| [ReOCl3pq] | 7.0 | 80.1 | +9.2 | 18.0 | 81.8 | +10.9 | 13.0 | 77.9 | +7.0 | 12.0 | 79.1 | +9.0 | 12.0 |
| (1) | 5.0 | 81.1 | +8.0 | 27.0 | 80.2 | +7.1 | 19.0 | 78.1 | +5.0 | 28.0 | 79.1 | +6.0 | 19.0 |
|
| |||||||||||||
| [ReOCl3bpy] | 7.0 | 76.9 | +6.0 | 44.0 | 76.9 | +6.0 | 39.0 | 75.4 | +4.5 | 45.0 | 75.1 | +5.0 | 36.0 |
| (2) | 5.0 | 76.1 | +3.0 | 20.0 | 77.1 | +4.0 | 20.0 | 73.1 | +0.0 | 20.0 | 76.1 | +3.0 | 20.0 |
|
| |||||||||||||
| [ReOCl3phen] | 7.0 | 71.1 | +0.2 | 71.4 | +0.5 | 70.9 | +0.0 | 74.2 | +0.3 | ||||
| (4) | 5.0 | 73.1 | +0.0 | 73.3 | +0.2 | 73.1 | −0.0 | 73.1 | +0.0 | ||||
*Illuminated samples. aThe melting point of the free CT-DNA is 70.9°C (pH 7.0) and 73.1°C (pH 5.0).