Compara mètodes
Revisa els mètodes seleccionats l'un al costat de l'altre; les files que difereixen es ressalten.
| NOESY× | COSY× | |
|---|---|---|
| Camp | Espectroscòpia | Espectroscòpia |
| Família | Process / pipeline | Process / pipeline |
| Any d'origen≠ | 1981 | 1976 |
| Autor original≠ | Richard Ernst | Wüthrich Kurt |
| Tipus | Two-dimensional pulse sequence | Two-dimensional pulse sequence |
| Font seminal | Aue, W. P., Bartholdi, E., & Ernst, R. R. (1976). Two-dimensional spectroscopy. Application to nuclear magnetic resonance. The Journal of Chemical Physics, 64(5), 2229-2246. DOI ↗ | Aue, W. P., Bartholdi, E., & Ernst, R. R. (1976). Two-dimensional spectroscopy. Application to nuclear magnetic resonance. The Journal of Chemical Physics, 64(5), 2229-2246. DOI ↗ |
| Àlies | NOE spectroscopy, 2D NOESY, NOE NMR | COSY NMR, 2D COSY, 1H-1H COSY |
| Relacionats≠ | 3 | 4 |
| Resum≠ | Nuclear Overhauser Enhancement Spectroscopy (NOESY) is a 2D NMR technique that detects through-space dipolar coupling between protons, rather than through-bond scalar coupling. Introduced by Macura and Ernst in 1981, NOESY reveals which protons are spatially close in the three-dimensional structure, independent of bonding connectivity. This makes NOESY invaluable for determining molecular conformation, assigning stereochemistry, and elucidating protein folds. | Correlation Spectroscopy (COSY) is a two-dimensional NMR technique that correlates proton chemical shifts through scalar coupling (J-coupling), revealing which protons are magnetically coupled and hence bonded through multiple bonds. Developed by Aue, Bartholdi, and Ernst in 1976, COSY became one of the most important tools in structural elucidation, enabling chemists to map out proton connectivity patterns and deduce molecular topology without isotopic labeling. |
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