Stern–Volmer quenching constants (Ksv) values of Hoechst and EtBr with CT DNA and d(CCAATTGG)2 upon addition of flavones.
| Compound | d(CCAATTGG)2 | CT DNA | ||
|---|---|---|---|---|
| K sv (103 M−1), with EtBr | K sv (103 M−1), with Hoechst | K sv (103 M−1), with EtBr | K sv (103 M−1), with Hoechst | |
| Baicalein | 3.20 | 4.21 | 1.57 | 7.95 |
| Chrysin | 1.08 | 6.47 | 0.13 | 9.24 |
| Flavone | 0.48 | 1.35 | 0.27 | 5.93 |