Strategic design of an NIR probe for viscosity imaging in inflammatory and non-alcoholic steatohepatitis mice

Yaogeng Ma, Min Li, Huilin Sun, Jing Yuan Ge*, Yang Bai*, Lin Qiu, Xuan Wu*, Jiuxi Chen, Zhongyan Chen*

*Corresponding author for this work

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Abstract

Two novel near-infrared (NIR) fluorescent probes Cy-Vis1 and Cy-Vis2 with large Stokes shifts (>100 nm) were constructed using a “symmetry collapse” strategy. Notably, Cy-Vis2 was significantly more sensitive to viscosity than Cy-Vis1 through an enhanced intramolecular interaction strategy. The fluorescence intensities of Cy-Vis1 and Cy-Vis2 exhibited increases, by 7.6- and 19.9-fold, respectively, across the viscosity range from 0.8 cp to 359.9 cp. Cy-Vis2 was successfully used to visualize viscosity abnormalities in lipopolysaccharide (LPS)-induced inflammatory and NASH model mice.

Original languageEnglish
Pages (from-to)14025-14028
Number of pages4
JournalChemical Communications
Volume59
Issue number94
DOIs
Publication statusPublished - 10 Nov 2023
Externally publishedYes

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Ma, Y., Li, M., Sun, H., Ge, J. Y., Bai, Y., Qiu, L., Wu, X., Chen, J., & Chen, Z. (2023). Strategic design of an NIR probe for viscosity imaging in inflammatory and non-alcoholic steatohepatitis mice. Chemical Communications, 59(94), 14025-14028. https://doi.org/10.1039/d3cc04041k