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Two-dimensional exchange NMR analysed in the time domain

✍ Scribed by Ernst Rössler

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
460 KB
Volume
128
Category
Article
ISSN
0009-2614

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✦ Synopsis

The three-pulse sequence of the twodimensional NMR experiment studying spin exchange in solids can be analysed easily in the time domain for r3C spectra governed by one chemical shift tensor. The measured one-particle correlation function provides information on the correlation times and on the reorientation of the molecule. This is demonstrated for the motion of dhnethylsulfone and hexamethylbenzene which show a two-fold and three/six-fold jump, respectively. The range of the correlation times found includes part of that from line-shape analysis.

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Intrinsic proton relaxation parameters o
Intrinsic proton relaxation parameters of hydrated polyglycine from two-dimensional time domain NMR
✍ H. Peemoeller; M. B. MacMillan; W. P. Weglarz; L. J. Schreiner; R. T. Thompson 📂 Article 📅 1999 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 141 KB

Proton two-dimensional time domain nmr involving T 1 , T 1 , T 1D , and T 2 measurements was applied to hydrated polyglycine powders. The results were analyzed for magnetization exchange and found to be consistent with a general three-site (glycine-water-glycine) exchange model. The intrinsic glycin