5363042 Methods for measurement of longitudinal spin relaxation times in moving liquids
โ Scribed by L Dumoulin Charles
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 99 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0730-725X
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๐ SIMILAR VOLUMES
## Abstract Measuring both the flip angle (FA) and the longitudinal relaxation time __T__~1~ is essential in quantitative and longitudinal studies because the signal amplitude is dependent on these quantities. Conventional methods can only measure one of them at a time and require long scan times.
The relaxation of chemically induced electron polarization (CIDEP) in photoexcited triplet benzophenone is measured in competition with triplet quenching by 2,2'-azobis[isobutyronitrile] (AIBN). The spin polarization, transferred to the resulting 2-cyano-2-propyl radicals, is determined by time-reso