A J-aggregating cyanine-based NIR-II optical sensor for DNA aptamer-mediated detection and imaging of quinine
We report a dye-displacement assay for quinine detection integrating a DNA aptamer with a J-aggregating NIR-II cyanine dye. This platform achieves sensitive, selective, and label-free NIR-II colorimetric and fluorescence sensing, with a fluorescence-based detection limit as low as 0.014 μM in urine solution, and enables NIR-II fluorescence imaging.
Authors
- Jiawei Chen (ORCID: https://orcid.org/0000-0002-2970-1068)
- Shuizhu Wu (ORCID: https://orcid.org/0000-0002-6739-0694)
- Chaobang Zhang (ORCID: https://orcid.org/0000-0002-8729-6865)
- Zeng Fang (ORCID: https://orcid.org/0000-0002-6607-3494)
- Gaowei Deng
Institutions
- State Key Laboratory of Luminescent Materials and Devices
- South China University of Technology (CN)
Publication Details
- Journal
- Chemical Communications
- Published
- 2025-01-01
- DOI
- https://doi.org/10.1039/d5cc03180j
- Citations
- 3
- Primary Topic
- Advanced biosensing and bioanalysis techniques
- Type
- article
- Field-Weighted Citation Impact
- 2.42