Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 61, Issue 18, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202112372
Keywords
biosensors; carbon nanotubes; imaging; molecular recognition; near-infrared fluorescence
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Funding
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [2033-390677874-RESOLV]
- German Federal Ministry of Education and Research BMBF
- Ministry of Culture and Research of Nord Rhine-Westphalia
- Fraunhofer Internal Programs [038-610097]
- Projekt DEAL
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Biosensors are important tools in modern basic research and biomedical diagnostics. NIR fluorescent molecular sensors based on SWCNTs have great potential in analyte detection, and the research on chemical design strategies and molecular recognition contributes to their further development.
Biosensors are powerful tools for modern basic research and biomedical diagnostics. Their development requires substantial input from the chemical sciences. Sensors or probes with an optical readout, such as fluorescence, offer rapid, minimally invasive sensing of analytes with high spatial and temporal resolution. The near-infrared (NIR) region is beneficial because of the reduced background and scattering of biological samples (tissue transparency window) in this range. In this context, single-walled carbon nanotubes (SWCNTs) have emerged as versatile NIR fluorescent building blocks for biosensors. Here, we provide an overview of advances in SWCNT-based NIR fluorescent molecular sensors. We focus on chemical design strategies for diverse analytes and summarize insights into the photophysics and molecular recognition. Furthermore, different application areas are discussed-from chemical imaging of cellular systems and diagnostics to in vivo applications and perspectives for the future.
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