Interactions between 9,10-anthraquinone and aromatic amines in homogeneous and micellar media: A laser flash photolysis and magnetic field effect study

Characterization of the Triplet State of Tanshinone IIA and its Reactivity by Laser Flash Photolysis

“…7B). The formed absorption band is identical to the reported absorption band of the radial cation of DMA (DMA˙+) (32), which suggests that DMA˙+ is formed in the reaction. The generation of DMA˙+ indicates that the reaction between 3 Tan IIA* with DMA involves an electron transfer.…”

Interaction of quinones with three pyrimidine bases: A laser flash photolysis study

“…Our studies have revealed the significant role played by the structure of AQ in the same quinone-base interactions. AQ alone presents strong maximum around 360 nm, which is due to triplet absorption of 3 AQ [28]. We have reported earlier that AQ radical anion (AQ dÀ ) absorbs around 390-400 nm with a second peak around 500 nm in acetonitrile/water medium [29].…”

Role of sugar in controlling reaction pathways: A study with thymine and thymidine

“…The absorption band of AQ (curve 1) displays a strong maximum at 360 nm, which is due to the absorption of 3 AQ [20]. We have reported earlier that AQ dÀ absorb around 380 and 500 nm [5,7,20]. Strong absorption at 360-380 and 500 nm regions (curve 2) denote the formation of AQ dÀ .…”

“…Thus dThd is again found to promote only H abstraction in ACN/H 2 O. Some possibility of H abstraction from Thy cannot be neglected as AQH d absorbs very close to AQ dÀ [20]. Fig.…”

“…There is a strong absorption maximum at 370 nm (curve 1) due to absorption of 3 MQ [19]. The 355 nm laser light can excite only quinones as their absorption maxima lies within this region [19,20]. DNA bases are not excited as they absorb below 300 nm [21,22].…”