A Conjugated Oligoelectrolyte Exhibiting Room Temperature Spin-Correlated Radical Pair Character for Biological Sensing
Bidisha Biswas, Kingsley Bortey, Sarah J. Cox-Vázquez, Bipasa Samanta, Oscar Medrano, Batul Shakir, Crystal Tran, Chi-Tam Vo, Alexandru Bogdan Georgescu, Aliaksandra Lisouskaya, Ricardo Javier Vázquez · 2025
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Description
We report a water-soluble conjugated oligoelectrolyte (COE) composed of carbazole-benzophenone, COE-CbzBP, that exhibits photogenerated spin-correlated radical pair (SCRP) behavior sensitive to static electric fields from DNA but not from lipid bilayers. The SCRP forms from a thermally activated, spin-polarized state enabled by partial π-conjugation disruption at the donor–acceptor (carbazole-benzophenone) nitrogen–carbon (N–C) junction, which facilitates a twisted intramolecular charge-transfer (TICT) geometry.
Catalog record
| CREATOR | Bidisha Biswas, Kingsley Bortey, Sarah J. Cox-Vázquez, Bipasa Samanta, Oscar Medrano, Batul Shakir, Crystal Tran, Chi-Tam Vo, Alexandru Bogdan Georgescu, Aliaksandra Lisouskaya, Ricardo Javier Vázquez |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 43 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |