A NIR-emitting cyanine with large Stokes shifts for live cell imaging: large impact of the phenol group on emission

Literature Information

Publication Date 2019-09-26
DOI 10.1039/C9CC06831G
Impact Factor 6.222
Authors

Dipendra Dahal, Lucas McDonald, Sabita Pokhrel, Sailaja Paruchuri, Michael Konopka, Yi Pang


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Abstract

There are a limited number of near-infrared (NIR) emitting (λem = 700–900 nm) molecular probes for imaging applications. A NIR-emitting probe that exhibits emission at ∼800 nm with a large Stokes shift was synthesized and found to exhibit excellent selectivity towards mitochondria for live-cell imaging. The photophysical properties were attributed to an excited “cyanine structure” via intramolecular charge transfer (ICT) involving a phenol group.

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