Measuring proton shift tensors with ultrafast MAS NMR
| Autor: | Jeremy J. Titman, David A. Bennett, Habeeba K. Miah, Dinu Iuga |
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| Rok vydání: | 2013 |
| Předmět: |
Nuclear and High Energy Physics
Magnetic Resonance Spectroscopy Proton Biophysics Biochemistry Measure (mathematics) Citric Acid Nuclear magnetic resonance Computer Simulation Tensor Anisotropy Nuclear Experiment Nuclear Magnetic Resonance Biomolecular Chemistry Resolution (electron density) Isotropy Hydrogen Bonding Condensed Matter Physics Symmetry (physics) Physics::Accelerator Physics Tyrosine Indicators and Reagents Atomic physics Protons Ultrashort pulse |
| Zdroj: | Journal of magnetic resonance (San Diego, Calif. : 1997). 235 |
| ISSN: | 1096-0856 1090-7807 |
| Popis: | A new proton anisotropic–isotropic shift correlation experiment is described which operates with ultrafast MAS, resulting in good resolution of isotropic proton shifts in the detection dimension. The new experiment makes use of a recoupling sequence designed using symmetry principles which reintroduces the proton chemical shift anisotropy in the indirect dimension. The experiment has been used to measure the proton shift tensor parameters for the OH hydrogen-bonded protons in tyrosine·HCl and citric acid at Larmor frequencies of up to 850 MHz. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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