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Quaternary Piperazine-Substituted Rhodamines with Enhanced Brightness for Super-Resolution Imaging
Abstract
Insufficient brightness of fluorophores poses a major bottleneck for the advancement of super-resolution microscopes. Despite being widely used, many rhodamine dyes exhibit sub-optimal brightness due to the formation of twisted intramolecular charge transfer (TICT) upon photoexcitation. Herein, we have developed a new class of quaternary piperazine-substituted rhodamines with outstanding quantum yields (Φ = 0.93) and superior brightness (ε × Φ = 8.1 × 10 4 L·mol –1 ·cm –1 ), by utilizing the electronic inductive effect to prevent TICT. We have also successfully deployed these rhodamines in the super-resolution imaging of the microtubules of fixed cells and of the cell membrane and lysosomes of live cells. Finally, we demonstrated that this strategy was generalizable to other families of fluorophores, resulting in substantially increased quantum yields.
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Grabowski, Z. R., Rotkiewicz, K., & Rettig, W. (2003) · Chemical Reviews · doi:10.1021/cr940745l · Cited by 3,714
Cited by
Zeng, S., Liu, X., Kafuti, Y. S., Kim, H., Wang, J., Peng, X., Li, H., & Yoon, J. (2023) · Chemical Society Reviews · doi:10.1039/d2cs00799a · Cited by 341
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Metadata
- Authors
- Ye, Z., Yang, W., Wang, C., Zheng, Y., Chi, W., Liu, X., Huang, Z., Li, X., & Xiao, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-09-05
- Volume
- 141
- Issue
- 37
- Pages
- 14491-14495
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2971470195
- Cited by
- 204
- References
- 1
- FWCI
- 11.36
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ye, Z., Yang, W., Wang, C., Zheng, Y., Chi, W., Liu, X., Huang, Z., Li, X., & Xiao, Y. (2019). Quaternary Piperazine-Substituted Rhodamines with Enhanced Brightness for Super-Resolution Imaging. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.9b04893
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