- Carbazole-Linked Near-Infrared Aza-BODIPY Dyes as Triplet Sensitizers and Photoacoustic Contrast Agents for Deep-Tissue Imaging.
Carbazole-Linked Near-Infrared Aza-BODIPY Dyes as Triplet Sensitizers and Photoacoustic Contrast Agents for Deep-Tissue Imaging.
Chemistry (Weinheim an der Bergstrasse, Germany) (2017-02-23)
Yogesh Gawale, Nagappanpillai Adarsh, Sandeep Kumar Kalva, Joshy Joseph, Manojit Pramanik, Danaboyina Ramaiah, Nagaiyan Sekar
PMID28226192
ABSTRACT
Four new N-ethylcarbazole-linked aza-boron-dipyrromethene (aza-BODIPY) dyes (8 a,b and 9 a,b) were synthesized and characterized. The presence of the N-ethylcarbazole moiety shifts their absorption and fluorescence spectra to the near-infrared region, λ≈650-730 nm, of the electromagnetic spectrum. These dyes possess strong molar absorptivity in the range of 3-4×10
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