Journal
DYES AND PIGMENTS
Volume 170, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2019.107553
Keywords
-
Funding
- Agence Nationale de la Recherche (UCAJEDI project) [ANR-15-IDEX-01]
- French Government
- Region PACA [DNAfix-2014-02862, DNAfix-2014-07199]
- Agence Nationale de la Recherche [ANR-12-BS08-0003-02]
Ask authors/readers for more resources
Dual-emissive deoxyadenosine analogs were engineered by compiling 7-deaza-7-ethynyl-2'-deoxyadenosine with two-color dyes, 3-HydroxyChromones (3HC), while electronically conjugating the N9-donor of the nucleobase with the 3HC carbonyl. Their spectroscopic properties were investigated in a set of solvents of different polarities. Several improvements in the 3HC photophysical features were obtained. A significant bathochromic shift moved absorption to the visible range, the extinction coefficient was almost doubled and the fluorescence emission displayed a mega-Stokes shift of the tautomer emission band (>175 nm). The ratio intensity of the dual emission demonstrated high sensitivity to polarity changes, offering a well-resolved green-yellow emission. Considering the strong donating ability of the N9, angular and reversed assemblies were also considered in order to tune the photophysics by weakening the excited-state dipole moment.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available