The effect of the 4-amino functionality on the photophysical and DNA binding properties of alkyl-pyridinium derived 1,8-naphthalimides
作者:Swagata Banerjee、Jonathan A. Kitchen、Thorfinnur Gunnlaugsson、John M. Kelly
DOI:10.1039/c3ob40370j
日期:——
partially quenched in its complex with 5′-guanosine-monophosphate (5′-GMP). In contrast, the fluorescence of 3 was enhanced (‘switched on’) in the presence of both adenine and guanine rich sequences. Linear and circular dichroism studies showed that each of 1, 2 and 3 binds to double-stranded DNA by intercalation. However, 2 and 3 do not show the preference for AT-rich DNA observed for 1. Comparative fluorescence