Radio frequency magnetic field effects on a radical recombination reaction: a diagnostic test for the radical pair mechanism.
The photoinduced electron-transfer reaction of chrysene with isomers of dicyanobenzene is used to demonstrate the sensitivity of a radical recombination reaction to the orientation and frequency (5-50 MHz) of a approximately 300 muT radio frequency magnetic field in the presence of a 0-4 mT static m...
| Main Authors: | , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2004
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| _version_ | 1797086228419444736 |
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| author | Henbest, K Kukura, P Rodgers, C Hore, P Timmel, C |
| author_facet | Henbest, K Kukura, P Rodgers, C Hore, P Timmel, C |
| author_sort | Henbest, K |
| collection | OXFORD |
| description | The photoinduced electron-transfer reaction of chrysene with isomers of dicyanobenzene is used to demonstrate the sensitivity of a radical recombination reaction to the orientation and frequency (5-50 MHz) of a approximately 300 muT radio frequency magnetic field in the presence of a 0-4 mT static magnetic field. The recombination yield is detected via the fluorescence of the exciplex formed exclusively from the electronic singlet state of the radical ion pair Chr*+/DCB*-. Magnetic field effects are simulated using a modified version of the gamma-COMPUTE algorithm, devised for the simulation of magic angle spinning NMR spectra of powdered samples. The response of a chemical or biological system to simultaneously applied radio frequency and static or extremely low-frequency magnetic fields could form the basis for a diagnostic test for the operation of the radical pair mechanism that would not require prior knowledge of the nature and properties of the radical reaction. |
| first_indexed | 2024-03-07T02:19:07Z |
| format | Journal article |
| id | oxford-uuid:a34ba58b-2d0a-4a09-9936-e038526beb70 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T02:19:07Z |
| publishDate | 2004 |
| record_format | dspace |
| spelling | oxford-uuid:a34ba58b-2d0a-4a09-9936-e038526beb702022-03-27T02:25:54ZRadio frequency magnetic field effects on a radical recombination reaction: a diagnostic test for the radical pair mechanism.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:a34ba58b-2d0a-4a09-9936-e038526beb70EnglishSymplectic Elements at Oxford2004Henbest, KKukura, PRodgers, CHore, PTimmel, CThe photoinduced electron-transfer reaction of chrysene with isomers of dicyanobenzene is used to demonstrate the sensitivity of a radical recombination reaction to the orientation and frequency (5-50 MHz) of a approximately 300 muT radio frequency magnetic field in the presence of a 0-4 mT static magnetic field. The recombination yield is detected via the fluorescence of the exciplex formed exclusively from the electronic singlet state of the radical ion pair Chr*+/DCB*-. Magnetic field effects are simulated using a modified version of the gamma-COMPUTE algorithm, devised for the simulation of magic angle spinning NMR spectra of powdered samples. The response of a chemical or biological system to simultaneously applied radio frequency and static or extremely low-frequency magnetic fields could form the basis for a diagnostic test for the operation of the radical pair mechanism that would not require prior knowledge of the nature and properties of the radical reaction. |
| spellingShingle | Henbest, K Kukura, P Rodgers, C Hore, P Timmel, C Radio frequency magnetic field effects on a radical recombination reaction: a diagnostic test for the radical pair mechanism. |
| title | Radio frequency magnetic field effects on a radical recombination reaction: a diagnostic test for the radical pair mechanism. |
| title_full | Radio frequency magnetic field effects on a radical recombination reaction: a diagnostic test for the radical pair mechanism. |
| title_fullStr | Radio frequency magnetic field effects on a radical recombination reaction: a diagnostic test for the radical pair mechanism. |
| title_full_unstemmed | Radio frequency magnetic field effects on a radical recombination reaction: a diagnostic test for the radical pair mechanism. |
| title_short | Radio frequency magnetic field effects on a radical recombination reaction: a diagnostic test for the radical pair mechanism. |
| title_sort | radio frequency magnetic field effects on a radical recombination reaction a diagnostic test for the radical pair mechanism |
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