ArticleJournal of the American Chemical Society2026
Experimental Study Redefines the Mechanism of Heptamethine Cyanine Phototruncation.
Article in Journal of the American Chemical Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Photophysics of Organic Fluorophore Photobluing and Its Applications in Fluorescence and Super-Resolution Microscopy.Accounts of chemical research · 2026Article
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Authors and funding
10 authors.
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Abstract
Cyanine dyes are popular chromophores used in contemporary biomedical fields due to their tunable near-infrared absorption and fluorescence properties. One such application of cyanines involves the photochemical shortening of the polymethine chain by a two-carbon fragment. This process is referred to as phototruncation or photoblueing because the resulting cyanine's absorption band shifts hypsochromically. A recent quantum-chemical study has proposed a mechanism for this process; however, it cannot explain the substantial enhancement of the reaction under specific conditions. Here, we present the results of an extensive investigation of phototruncation of the prototypical heptamethine cyanine dye (
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